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Description

Over 975,000 Sandboxx members have sent more than 3 million letters to support our military. Get connected with your recruit automatically and send letters with ease and speed. Sandboxx overnights your Letters to all recruiting bases and is the fastest way to support your loved ones.

Book everything for graduation travel and beyond, from flights and hotels to rental cars. Refer friends to earn free Letters or sponsor your recipient to boost morale. Stay up to date with weekly content as your recruit progresses through basic training. With Sandboxx, you’ll never miss a moment.

Developed by veterans with decades of service, Sandboxx connects service members to their loved ones, to each other and to expert military knowledge, illuminating the entire military life journey.

SEND LETTERS TO BOOT CAMP AND BEYOND
Send letters to basic training or overseas faster and easier than ever. We physically print your mail, include a return envelope, provide tracking and overnight it to your recipient at any recruiting base.

GET WEEKLY UPDATES
Stay up to date on your recruit as they progress through basic training. Never miss a moment as they prepare for critical milestones and challenges in their military training.

BOOK FLIGHTS, HOTELS, and CARS
Book your next flight or hotel with Sandboxx. Our Travel team is a dedicated tribe of military family members expertly trained to guide you through all of your travel needs, on and off base.

BECOME A KIN
Connect with other military families on their journey to encourage, share and discover information and helpful advice.

• OPSEC and PERSEC compliant
• Automatically connect with your service member to easily send letters
• Get up to date Letter tracking
• Book flights, hotels and rental cars for your recruit’s graduation or next trip
• Get pro tips for travel on and off base
• Browse recommended travel partners and get access to exclusive travel benefits like Travel Plus
• Boost morale by sponsoring your military service member

No Federal or DoD Endorsement Implied.

Google Play Store Category:

Primary: Applications

Secondary: Lifestyle

Google Play

Privacy Policy

Total Ratings

6K
5
5.1K
4
450
3
100
2
100
1
190

Screenshots

Sandboxx screenshot 1Sandboxx screenshot 2Sandboxx screenshot 3Sandboxx screenshot 4Sandboxx screenshot 5

Version History

Launched Jun 09, 2015 (over 4 years ago).

Releasing new versions every 20 days, on average.

Aug 20
2019
(Current)
Version 8.10.4

NEW: Drafts are finally here! Not ready to send that letter? Don't worry. Simply type what you wish and resume writing at your convenience. You can even resume your draft on other platforms like our web app or other mobile platforms.
NEW: Search and Add New, Can't find who you're looking for in Sandboxx? Now you can easily create a new recipient. Just click on the button to "add new" and you will immediately be able to create a new recipient so you can continue supporting your loved ones.

Aug 19
2019
Version 8.10.1

NEW: Drafts are finally here! Not ready to send that letter? Don't worry. Simply type what you wish and resume writing at your convenience. You can even resume your draft on other platforms like our web app or other mobile platforms.
NEW: Search and Add New, Can't find who you're looking for in Sandboxx? Now you can easily create a new recipient. Just click on the button to "add new" and you will immediately be able to create a new recipient so you can continue supporting your loved ones.

Aug 04
2019
Version 8.8.2

NEW: Share your proudest moments using your Facebook or Twitter account. Now you can share your support journey badges on social media. Click on your earned badge and share to your favorite social media account. Go for it Support Warriors!
IMPROVED: We’ve made the app more stable and easier to use by fixing various bugs and subtle design enhancements so you have a more cohesive and unified Sandboxx experience.

Jul 24
2019
Version 8.7.1

NEW: Recruit family and friends to send Letters to your recruit/trainee. Click on the "invite" tab and share your recruit/trainee's unique link with family and friends. Once your family or friend joins Sandboxx using the link, they will be automatically connected to your recruit/trainee so they can join you in support.
NEW: Share Sandboxx using Facebook and Twitter. Encourage your social network to join you in supporting your loved ones at training. Sandboxx is better together.

Jul 11
2019
Version Varies with device

We update Sandboxx as often as possible to ensure that you stay connected to your loved ones in training.

- NEW: We've made it even easier to share the Sandboxx love. Simply click on the new tab titled "Invites" on the bottom bar next to Letters and you'll be able to invite family and friends to join you on Sandboxx. Plus, you'll get rewarded, too! For every new user you refer, you'll earn one Letter Credit. Once you refer three new users, you'll get five Letter Credits added to your account.

Feb 19
2019
Version 6.8.1

- Fixed a crash on Android 4 devices

Jan 27
2019
Version 6.8.0

NEW: We have launched Sponsorships. Now you can sponsor letters written to your loved one. Simply tap the “Become a Sponsor” to get started.

Jan 24
2019
Version 6.5.1

Minor improvements and bug fixes

Jan 02
2019
Version 6.5.0

ADDED: A new camera with photo editor feature so that you can include filters, stickers, and text with your photos when making posts, updating your profile picture or sending Letters.

Dec 10
2018
Version 6.4.1

- Fixed a crash when submitting text posts
- Fixed a crash when images failed to upload due to network state changes

Nov 20
2018
Version 6.3.1

ADDED: Our team has redesigned our Order Review screen and Letter Sent screen so it's easier to understand and navigate.
FIXED: Issue where the Order Review screen "Send" button wasn't visible on smaller device screens.
FIXED: Issue where gift cards were failing to send.

Nov 05
2018
Version 6.2.5

ADDED: Our team has redesigned our Order Review screen and Letter Sent screen so it's easier to understand and navigate.
FIXED: Fixed an issue where the Order Review screen "Send" button wasn't visible on smaller device screens.
FIXED: Fixed an issue where gift cards were failing to send.

Oct 28
2018
Version 6.2.4

ADDED: Our team has redesigned our Order Review screen and Letter Sent screen so it's easier to understand and navigate.
FIXED: Fixed an issue where the Order Review screen "Send" button wasn't visible on smaller device screens.
FIXED: Fixed an issue where gift cards were failing to send.

Oct 24
2018
Version 6.2.2

ADDED: Our team has redesigned our Order Review screen and Letter Sent screen so it's easier to understand and navigate.

Oct 14
2018
Version 6.1.3

• Added Facebook and Google login.
• Fixed an issue where an error message was incorrectly being shown while typing a message.
• Fixed an issue where a user’s avatar image was incorrectly displayed when reviewing a Letter recipient’s address

Oct 01
2018
Version 6.1.1

• Added Facebook and Google login.
• Fixed an issue where an error message was incorrectly being shown while typing a message.
• Fixed an issue where a user’s avatar image was incorrectly displayed when reviewing a Letter recipient’s address

Sep 26
2018
Version 6.0.3

• Added a new Facebook login button.
• Fixed an issue where an error message was incorrectly being shown while typing a message.
• Fixed an issue where a user’s avatar image was incorrectly displayed when reviewing a Letter recipient’s address

Sep 18
2018
Version 5.4.2

IMPROVED: The pricing experience has been refined to better display Letter Bundles, Prices, and Sales.

Sep 11
2018
Version 5.3.7

IMPROVED: The pricing experience has been refined to better display Letter Bundles, Prices, and Sales.

Aug 27
2018
Version 5.3.6

IMPROVED: The pricing experience has been refined to better display Letter Bundles, Prices, and Sales.

Aug 23
2018
Version 5.3.4

IMPROVED: The pricing experience has been refined to better display Letter Bundles, Prices, and Sales.

Aug 21
2018
Version 5.2.0

* Allowing Toggling of First Name, Last Name for Recent and Kin Recipients

Aug 15
2018
Version 5.1.1

Jul 29
2018
Version 5.0.2

Fixed a potential security issue

Jul 18
2018
Version 5.0.1

Jul 17
2018
Version 5.0.0

Jul 08
2018
Version 3.10.7

FIXED: Typo in sponsor dialog
FIXED: Long-press letter text to copy

Jun 20
2018
Version 3.10.6

IMPROVED: See who has checked a post within your Unit

Jun 18
2018
Version 3.10.5

IMPROVED: See who has checked a post within your Unit

Jun 10
2018
Version 3.10.4

IMPROVED: See who has checked a post within your Unit

Jun 07
2018
Version 3.10.3

* IMPROVED: We improved the ability to make connections to Members of your Unit when viewing your Unit page.
* ADDED: Auto-address support for Quantico, VA Marine Base

Jun 06
2018
Version 3.10.2

NEW: Letters Feed: We've added a new screen to see all of your sent Letters, along with their status.
NEW: Edit Address If Letter On Hold: We have also added a new way to edit your recipient's address for "On Hold" Letters, so you can fix the address to get it delivered. Example addresses are provided for reference, specific to the base you are sending to.

Apr 25
2018
Version 3.9.4

NEW: You can now search by email address when searching for a Letter recipient.
NEW: We’ve provided you with an easy button to contact customer support about any of your Letters that are “on hold.”
FIXED: A button on the Letter new address screen now doesn't mysteriously reappear
FIXED: A display issue with Navy occupation codes.
FIXED: An issue where sponsored credits were not properly showing at times.

Mar 18
2018
Version 3.9.1

ADDED: We have launched a referral-rewards program! Give a Letter and Get a Letter! Invite your friends, family members and colleagues to support your service member who’s off the grid. Get rewarded with a Letter credit if you refer a new Sandboxx user (and any future new users) once they sign up and send their first Letter.
IMPROVED: We’ve done a little bit of housekeeping to keep things running smoothly.

Mar 06
2018
Version 3.9.0

Every change we make to the Sandboxx app makes it easier and more straightforward for you to support your military recruit or service member. Here’s what we’ve been up to lately:

• IMPROVED: thanks to a few “under the hood” fixes, our app should now run faster than ever.
• FIXED: the app won’t crash after you send a Letter.
• FIXED: the app will now display the correct number of Letters credits that you have remaining in your account.
• IMPROVED: other minor bug fixes and UI changes.

Mar 04
2018
Version 3.8.4

Every change we make to the Sandboxx app makes it easier and more straightforward for you to support your military recruit or service member. Here’s what we’ve been up to lately:
• Fixed: we’ve fixed a bug, so it’s now easier and faster for you to leave a unit, should you choose to do so.

Feb 07
2018
Version 3.8.3

Every change we make to the Sandboxx app makes it easier and more straightforward for you to support your military recruit or service member. Here’s what we’ve been up to lately:
• New: We may ask you to rate our app after you send a Sandboxx Letter. 5 stars only, please! 😉 Don’t worry; you’ll be able to check “never ask again” to stop these prompts.
• Fixed: If military members change their rank in the app, it will now be properly updated and stored.

Feb 05
2018
Version 3.8.1

• We’ve made it easier for you to send Letters to your Kin by listing them as possible recipients while writing your Letter.
• We removed the address field from the credit card screen.
• As always, performance enhancements and minor bug fixes.

Jan 28
2018
Version 3.7.4

Performance enhancements and minor bug fixes.

Jan 16
2018
Version 3.7.3

- Removed double-tap to purchase a Bundle (now single tap)
- Fixed bug that displays the same letter multiple times when a User has sent more than 10 letters
- Fixed some text clipping issues on devices with smaller screens
- Performance enhancements and other minor bug fixes

Jan 09
2018
Version 3.6.4

Added options for recipient name ordering when sending letters.
A new Letters Dashboard for a more seamless user experience sending new and viewing past letters.
Performance enhancements and minor bug fixes.

Dec 20
2017
Version 3.5.9

Performance enhancements and added stability when uploading photos via a post or editing User avatar.

Dec 05
2017
Version 3.5.8

Fixes bugs with Travel WebView.

Nov 30
2017
Version v.2017.11.30

Fixed a bug with duplicate letters

Nov 29
2017
Version v.2017.11.29

Added support for more international phone numbers.
Performance Enhancements and minor bug fixes.

Nov 27
2017
Version v.2017.11.27

* Enhancements for Android O.
* Android O users now have more granular control of which notifications they receive.
* Some users may lose the shortcut icon from their home screen. In this case, find the Sandboxx app from the App Drawer and drag the launcher icon back to the Home Screen.

Nov 15
2017
Version v.2017.11.16

* Enhancements for Android O.
* Android O users now have more granular control of which notifications they receive.
* Some users may lose the shortcut icon from their home screen. In this case, find the Sandboxx app from the App Drawer and drag the launcher icon back to the Home Screen.

Nov 13
2017
Version 3.4.7

* We now display the recipient name's LastName, FirstName when sending new letters.
* Minor changes to improve network efficiency.

Nov 02
2017
Version 3.4.5

Thanks for using SANDBOXX! This update brings a few small changes and some performance updates.
What's new
- Giftcards can now be purchased for all branches
- Networktask changes
- Dependency updates

Oct 01
2017
Version 3.4.4

Thanks for using SANDBOXX! This update brings a few small changes and some performance updates.
What's new
- New Order Summary screen after sending a letter
- Phone number verification is more lightweight and should feel faster
- Creating Check posts has been removed from the home feed but is still in units feed
Fixed
- A few layouts should draw faster and colors and buttons should be more consistent
- Minor text changes
- Camp Pendleton Address fixed

Sep 26
2017
Version 3.4.3

Thanks for using SANDBOXX! This update brings a few small changes and some performance updates.
What's new
- New Order Summary screen after sending a letter
- Phone number verification is more lightweight and should feel faster
- Creating Check posts has been removed from the home feed but is still in units feed
Fixed
- A few layouts should draw faster and colors and buttons should be more consistent
- Minor text changes
- Camp Pendleton Address fixed

Aug 21
2017
Version 3.4.1

Thanks for using SANDBOXX! This update brings a few small changes and some performance updates.
What's new
- New Order Summary screen after sending a letter
- Phone number verification is more lightweight and should feel faster
- Creating Check posts has been removed from the home feed but is still in units feed
Fixed
- A few layouts should draw faster and colors and buttons should be more consistent

Jul 24
2017
Version 3.3.6

Hotfix for LetterPhotoActivity NPE

Jul 17
2017
Version 3.3.5

Thanks for using Sandboxx! This update brings a few small changes and some performance updates. You can expect less network usage in all parts of the app and slightly smaller app download size! Some of the changes include:
- Letter screens now use text menu items rather than icons
- Connections screen tabs have been reordered as Added, Search, and Suggested
- The keyboard now properly moves the cursor to the next line when inputting on the state field for addresses

Jul 05
2017
Version 3.3.4

Thanks for using Sandboxx! This update brings performance improvements across the app and a more standardized icon set. Older devices should see slightly less disk space consumed and smaller app download sizes.

Jun 02
2017
Version 3.3.3

Thanks for using Sandboxx! This update brings performance improvements across the app and a more standardized icon set. Older devices should see slightly less disk space consumed and smaller app download sizes.

May 18
2017
Version 3.3.2

You can now book all your travel needs right from Sandboxx. Click the newly added Travel section in the menu, add your dates and we'll help you find the best airline, car, and hotel rates.

May 10
2017
Version 3.3.1

You can now book all your travel needs right from Sandboxx. Click the newly added Travel section in the menu, add your dates and we'll help you find the best airline, car, and hotel rates.

May 01
2017
Version 3.3.0

You can now book all your travel needs right from Sandboxx. Click the newly added Travel section in the menu, add your dates and we'll help you find the best airline, car, and hotel rates.

Mar 27
2017
Version 3.2.10

You can now book all your travel needs right from Sandboxx. Click the newly added Travel section in the menu, add your dates and we'll help you find the best airline, car, and hotel rates.

Mar 07
2017
Version 3.2.9

You can now book all your travel needs right from Sandboxx. Click the newly added Travel section in the menu, add your dates and we'll help you find the best airline, car, and hotel rates.

Jan 25
2017
Version 3.2.8

Thanks for using Sandboxx! This update adds more social features that enable you to better connect with your family, friends and battle buddies.
- You can now easily share your new Sandboxx posts to Twitter and Facebook
- The splash screen loads faster
- Coming soon: Find your friends who are on Sandboxx by syncing your contacts

Jan 09
2017
Version 3.2.6

Thanks for using Sandboxx! This update brings performance improvements across the app and a smaller memory footprint. Expect faster animations and more stability, especially on older devices.
-Fixed Unit Stories: They now show up as a notification badge on the bottom bar
-Less network usage
-Smaller app size
Coming soon: Find your friends who are on Sandboxx by syncing your contacts!

Dec 19
2016
Version 3.2.4

- You can now share photo posts to your Facebook feed!
- Cropping images is faster and supports gestures
- Support for the latest Android OS: some new features are in the pipeline
- Lots of under-the-hood performance improvements
- Bug Fixes

Dec 07
2016
Version 3.2.2

- You can now share photo posts to your Facebook feed!
- Cropping images is faster and supports gestures
- Support for the latest Android OS: some new features are in the pipeline
- Performance Improvements
- Bug Fixes

Nov 25
2016
Version 3.2.1

- Writing a letter has changed for the better! Now you get a sweet new review order screen
- You can now see your current letter credits under your profile
- The look and feel of Settings has improved
- Support for the latest Android OS: some new features are in the pipeline
- Performance Improvements
- Bug Fixes

Nov 21
2016
Version 3.2.0

- Writing a letter has changed for the better! Now you get a sweet new review order screen
- You can now see your current letter credits under your profile
- The look and feel of Settings has improved
- Support for the latest Android OS: some new features are in the pipeline
- Performance Improvements
- Bug Fixes

Nov 04
2016
Version 3.1.4

Sandboxx has upgraded to 3.1.4! The app now features bottom navigation with updated layouts and cosmetic changes. We have also made some improvements to app performance, stability, and crushed a few bugs. Please let us know how you like this update, and Thank You for using Sandboxx!
-Check your letter status in-app
-Letter headers properly display recipient information
-Address format helpers
-Performance Improvements
-Bug Fixes

Sep 30
2016
Version 3.1.3

Sandboxx has upgraded to 3.1.3! The app now features bottom navigation with updated layouts and cosmetic changes. We have also made some improvements to app performance, stability, and crushed a few bugs. Please let us know how you like this update, and Thank You for using Sandboxx!
-Check your letter status in-app
-Letter headers properly display recipient information
-Address format helpers
-Performance Improvements
-Bug Fixes

Nov 17
2015
Version 1.8.1

Jul 30
2015
Version 1.4.0

Sandboxx is designed for our military and the people that support them. Sandboxx provides a cross branch platform where service members, their families and friends can connect, communicate and correspond.

Post, upload and message your connections. Organize your feeds by unit, friends and family.


Easily send physical letters via our "Letters" feature to loved ones in the military who are “off the grid” at boot camp or deployed.


Sandboxx is a solution for today’s military and veteran community.


Features


Connect - Establish connections old and new through the unique unit structure and user base.
Share - Share photos, messages and heck posts with your family, friends and fellow service members.
Create - Cteate physical and digital messages to share with your connections.
Express - Customize and personalize your profile wall to suit you as a service member.
Navigate - Navigate you way through profiles and units of friends, family and service members.

Jul 29
2015
Version 1.3.0

Sandboxx is designed for our military and the people that support them. Sandboxx provides a cross branch platform where service members, their families and friends can connect, communicate and correspond.

Post, upload and message your connections. Organize your feeds by unit, friends and family.


Easily send physical letters via our "Letters" feature to loved ones in the military who are “off the grid” at boot camp or deployed.


Sandboxx is a solution for today’s military and veteran community.


Features


Connect - Establish connections old and new through the unique unit structure and user base.
Share - Share photos, messages and heck posts with your family, friends and fellow service members.
Create - Cteate physical and digital messages to share with your connections.
Express - Customize and personalize your profile wall to suit you as a service member.
Navigate - Navigate you way through profiles and units of friends, family and service members.

Jul 20
2015
Version 1.2.1

Sandboxx is designed for our military and the people that support them. Sandboxx provides a cross branch platform where service members, their families and friends can connect, communicate and correspond.

Post, upload and message your connections. Organize your feeds by unit, friends and family.


Easily send physical letters via our "Letters" feature to loved ones in the military who are “off the grid” at boot camp or deployed.


Sandboxx is a solution for today’s military and veteran community.


Features


Connect - Establish connections old and new through the unique unit structure and user base.
Share - Share photos, messages and heck posts with your family, friends and fellow service members.
Create - Cteate physical and digital messages to share with your connections.
Express - Customize and personalize your profile wall to suit you as a service member.
Navigate - Navigate you way through profiles and units of friends, family and service members.

Jul 14
2015
Version 1.2.0

Sandboxx is designed for our military and the people that support them. Sandboxx provides a cross branch platform where service members, their families and friends can connect, communicate and correspond.

Post, upload and message your connections. Organize your feeds by unit, friends and family.


Easily send physical letters via our "Letters" feature to loved ones in the military who are “off the grid” at boot camp or deployed.


Sandboxx is a solution for today’s military and veteran community.


Features


Connect - Establish connections old and new through the unique unit structure and user base.
Share - Share photos, messages and heck posts with your family, friends and fellow service members.
Create - Cteate physical and digital messages to share with your connections.
Express - Customize and personalize your profile wall to suit you as a service member.
Navigate - Navigate you way through profiles and units of friends, family and service members.

Jul 05
2015
Version 1.1.1

Sandboxx is designed for our military and the people that support them. Sandboxx provides a cross branch platform where service members, their families and friends can connect, communicate and correspond.

Post, upload and message your connections. Organize your feeds by unit, friends and family.


Easily send physical letters via our "Letters" feature to loved ones in the military who are “off the grid” at boot camp or deployed.


Sandboxx is a solution for today’s military and veteran community.


Features


Connect - Establish connections old and new through the unique unit structure and user base.
Share - Share photos, messages and heck posts with your family, friends and fellow service members.
Create - Cteate physical and digital messages to share with your connections.
Express - Customize and personalize your profile wall to suit you as a service member.
Navigate - Navigate you way through profiles and units of friends, family and service members.

Jun 29
2015
Version 1.1.0

Sandboxx is designed for our military and the people that support them. Sandboxx provides a cross branch platform where service members, their families and friends can connect, communicate and correspond.

Post, upload and message your connections. Organize your feeds by unit, friends and family.


Easily send physical letters via our "Letters" feature to loved ones in the military who are “off the grid” at boot camp or deployed.


Sandboxx is a solution for today’s military and veteran community.


Features


Connect - Establish connections old and new through the unique unit structure and user base.
Share - Share photos, messages and heck posts with your family, friends and fellow service members.
Create - Cteate physical and digital messages to share with your connections.
Express - Customize and personalize your profile wall to suit you as a service member.
Navigate - Navigate you way through profiles and units of friends, family and service members.

Jun 17
2015
Version 1.0.2

Sandboxx is designed for our military and the people that support them. Sandboxx provides a cross branch platform where service members, their families and friends can connect, communicate and correspond.

Post, upload and message your connections. Organize your feeds by unit, friends and family.


Easily send physical letters via our "Letters" feature to loved ones in the military who are “off the grid” at boot camp or deployed.


Sandboxx is a solution for today’s military and veteran community.


Features


Connect - Establish connections old and new through the unique unit structure and user base.
Share - Share photos, messages and heck posts with your family, friends and fellow service members.
Create - Cteate physical and digital messages to share with your connections.
Express - Customize and personalize your profile wall to suit you as a service member.
Navigate - Navigate you way through profiles and units of friends, family and service members.

Jun 15
2015
Version 1.0.1

Sandboxx is designed for our military and the people that support them. Sandboxx provides a cross branch platform where service members, their families and friends can connect, communicate and correspond.

Post, upload and message your connections. Organize your feeds by unit, friends and family.


Easily send physical letters via our "Letters" feature to loved ones in the military who are “off the grid” at boot camp or deployed.


Sandboxx is a solution for today’s military and veteran community.


Features


Connect - Establish connections old and new through the unique unit structure and user base.
Share - Share photos, messages and heck posts with your family, friends and fellow service members.
Create - Cteate physical and digital messages to share with your connections.
Express - Customize and personalize your profile wall to suit you as a service member.
Navigate - Navigate you way through profiles and units of friends, family and service members.

Jun 11
2015
Version 1.0.0

Sandboxx is designed for our military and the people that support them. Sandboxx provides a cross branch platform where service members, their families and friends can connect, communicate and correspond.

Post, upload and message your connections. Organize your feeds by unit, friends and family.


Easily send physical letters via our "Letters" feature to loved ones in the military who are “off the grid” at boot camp or deployed.


Sandboxx is a solution for today’s military and veteran community.


Features


Connect - Establish connections old and new through the unique unit structure and user base.
Share - Share photos, messages and heck posts with your family, friends and fellow service members.
Create - Cteate physical and digital messages to share with your connections.
Express - Customize and personalize your profile wall to suit you as a service member.
Navigate - Navigate you way through profiles and units of friends, family and service members.

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