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Description

Hear without any limits!
The hearing aid app restores your sound perception to the natural level.
Now you can hear even the whispers with hearing amplifier.

Petralex Hearing Aid will automatically adjust to specific features of your hearing.
Use the power of your smartphone and latest technologies for maximum sound amplifier.
No registration and no advertisements.
You only need a simple headset in order to use this hearing app.

Hundreds of thousands of hearing impaired people have chosen Petralex to solve their hearing problems.
The application was chosen as Microsoft Inspire P2P contest winner in 2017.

FEATURES (FREE):
-- Automatic adjustment to hearing specifics;
-- Hearing correction for each ear;
-- Adaptation to different types of environment;
-- Amplify up to 30 dB with a wired headset;
-- Built-in hearing test;
-- Dynamic compression. Amplify quiet sounds without losing the overall volume;
-- Using 4 options of sound amplifier;
-- Using the built-in 4-week adaptive course for getting used to the hearing aid app;
-- You can use your smartphone as a remote mic;
-- Support of Bluetooth headsets*.

PREMIUM SUBSCRIPTION OFFERS ADVANCED POSSIBILITIES (TRIAL):
-- “Super Boost” - powerful sound amplifier;
-- Players with sound amplifier;
-- Ability to create an unlimited number of profiles for different sound situations;
-- Regulated noise suppression – eliminates background noise, increases speech intelligibility;
-- Modern Dectone amplification method, that amplify sound even better. Advanced hearing test;
-- Profile editing – fine adjustment of hearing aid app;
-- Amplification formula for quiet sounds in case of tinnitus;
-- Additional applications with sound amplifier;
-- Audio recorder/Dictaphone - amplify sound to your hearing.

Choose from one of the following subscription options:
-- weekly subscription
-- monthly subscription
-- annual subscription

IT TAKES TIME TO GET USED TO ANY HEARING AID! BE READY FOR:
-- Adaptation to any hearing aid takes from several weeks to several months;
-- You will hear sounds and noises that you have not heard before. Use the built-in noise reduction function;
-- Some familiar sounds can acquire with metallic aftersound, which can cause temporary discomfort;

USE THE BUILT-IN 4-WEEK ADAPTIVE COURSE FOR GETTING USED TO THE HEARING AID APP.

*Using Bluetooth
NOTE! Using Bluetooth headset brings additional delay to sound transmission.
Possible echoing can appear.

Disclaimer:
The Petralex Hearing Aid® is not approved as a medical device or software and cannot be used as a hearing aid with doctor`s (ENT) prescription.
Hearing test provided in the application can be used only for hearing app adjustment. Hearing test results are not a substitute for professional audiology tests (ENT consultation required).
The Service offers a free 7-day trial so that you can find out more about its capabilities and make sure it suits your needs. It is presupposed that this period of time is enough to decide whether you want to continue or stop using the Service. For this reason, the Service does not process the refund requests for the purchase effected after the free 7-day trial.

Have questions, feedback or suggestions? Reach out to us at support@petralex.pro

Read more about our terms and conditions here:
-- Terms of service: https://petralex.pro/page/terms
-- Privacy policy: https://petralex.pro/page/policy

Google Play Store Category:

Primary: Applications

Secondary: Medical

Google Play

Privacy Policy

Total Ratings

4.4K
5
2.5K
4
560
3
220
2
140
1
970

Screenshots

Petralex Hearing Aid App screenshot 1Petralex Hearing Aid App screenshot 2Petralex Hearing Aid App screenshot 3Petralex Hearing Aid App screenshot 4Petralex Hearing Aid App screenshot 5Petralex Hearing Aid App screenshot 6Petralex Hearing Aid App screenshot 7Petralex Hearing Aid App screenshot 8Petralex Hearing Aid App screenshot 9Petralex Hearing Aid App screenshot 10Petralex Hearing Aid App screenshot 11Petralex Hearing Aid App screenshot 12Petralex Hearing Aid App screenshot 13Petralex Hearing Aid App screenshot 14Petralex Hearing Aid App screenshot 15Petralex Hearing Aid App screenshot 16Petralex Hearing Aid App screenshot 17Petralex Hearing Aid App screenshot 18Petralex Hearing Aid App screenshot 19Petralex Hearing Aid App screenshot 20Petralex Hearing Aid App screenshot 21Petralex Hearing Aid App screenshot 22Petralex Hearing Aid App screenshot 23Petralex Hearing Aid App screenshot 24

Version History

Launched May 14, 2014 (almost 6 years ago).

Releasing new versions every 2 months, on average.

Feb 17
2020
(Current)
Version 3.4.25

In the 3.4.25 we improved the app stability and fixed crashes.
Keep your feedback coming! Write us at info@petralex.pro and one of our friendly bunch will get back to you.

Jan 29
2020
Version 3.4.18

In the 3.4.18 we improved the app stability and fixed crashes.
Keep your feedback coming! Write us at info@petralex.pro and one of our friendly bunch will get back to you.

Jan 27
2020
Version 3.4.17

In the 3.4.17 we improved the app stability and fixed crashes.
Keep your feedback coming! Write us at info@petralex.pro and one of our friendly bunch will get back to you.

Jan 22
2020
Version 3.4.16

In the 3.4.16 we improved the app stability and fixed crashes.
Keep your feedback coming! Write us at info@petralex.pro and one of our friendly bunch will get back to you.

Dec 06
2019
Version 3.4.10

In the 3.4.10 we improved the app stability and fixed crashes.
User Authentication Added.
Application localization added.
Keep your feedback coming! Write us at info@petralex.pro and one of our friendly bunch will get back to you.

Nov 14
2019
Version 3.4.6

In the 3.4.6 we improved the app stability and fixed crashes.
Added advanced hearing testing mode. Switching hearing test modes in the settings.
Increase of amplification level.
Keep your feedback coming! Write us at info@petralex.pro and one of our friendly bunch will get back to you.

Nov 07
2019
Version 3.4.5

In the 3.4.5 we improved the app stability and fixed crashes.
Added advanced hearing testing mode. Switching hearing test modes in the settings.
Keep your feedback coming! Write us at info@petralex.pro and one of our friendly bunch will get back to you.

Oct 25
2019
Version 3.4.4

In the 3.4.4 we improved the app stability and fixed crashes.
Added advanced hearing testing mode. Switching hearing test modes in the settings.
Keep your feedback coming! Write us at info@petralex.pro and one of our friendly bunch will get back to you.

Oct 24
2019
Version 3.4.3

In the 3.4.3 we improved the app stability and fixed crashes.
Added advanced hearing testing mode. Switching hearing test modes in the settings.
Keep your feedback coming! Write us at info@petralex.pro and one of our friendly bunch will get back to you.

Jul 17
2019
Version 3.3.10

In the 3.3.10 we improved the app stability and fixed crashes.
Keep your feedback coming! Write us at info@petralex.pro and one of our friendly bunch will get back to you.

Jun 19
2019
Version 3.3.7

In the 3.3.7 we improved the app stability and fixed crashes.
Keep your feedback coming! Write us at info@petralex.pro and one of our friendly bunch will get back to you.

Apr 22
2019
Version 3.3.6

In the 3.3.6 we improved the app stability and fixed crashes.
New feature with even more volume boost - “Super Boost“.
Players with sound amplification .
Keep your feedback coming! Write us at info@petralex.pro and one of our friendly bunch will get back to you.

Apr 03
2019
Version 3.3.4

New feature with even more boost - “Super Boost“.
Additional applications with sound booster and adaptation to your hearing (Music player, Video player).
Keep your feedback coming! Write us at info@petralex.pro and one of our friendly bunch will get back to you.

Feb 28
2019
Version 3.3.3

In the 3.3.3 we improved the app stability and fixed crashes.
Keep your feedback coming! Write us at info@petralex.pro and one of our friendly bunch will get back to you.

Feb 14
2019
Version 3.3.1

In the 3.3.1 we improved the app stability and fixed crashes.
Keep your feedback coming! Write us at info@petralex.pro and one of our friendly bunch will get back to you.

Jan 22
2019
Version 3.2.2

In the 3.2.2 we improved the app stability and fixed crashes.
Hearing test optimized.
Improved the audio system of the application.
Keep your feedback coming! Write us at info@petralex.pro and one of our friendly bunch will get back to you.

Jan 11
2019
Version 3.2.1

In the 3.2.1 we improved the app stability and fixed crashes.
Keep your feedback coming! Write us at info@petralex.pro and one of our friendly bunch will get back to you.

Dec 28
2018
Version 3.2.0

Lessons for adaptation course added
In the 3.2.0 we improved the app stability and fixed crashes.
Keep your feedback coming! Write us at info@petralex.pro and one of our friendly bunch will get back to you.

Dec 11
2018
Version 3.1.2

In the 3.1.2 we improved the app stability and fixed crashes.
Hearing test optimized.
Keep your feedback coming! Write us at info@petralex.pro and one of our friendly bunch will get back to you.

Nov 22
2018
Version 3.1.0

Built-in 4-week adaptation course for getting used to hearing aids added
In the 3.1.0 we improved the app stability and fixed crashes.

Oct 04
2018
Version 3.0.6

Sep 12
2018
Version 3.0.5

Aug 28
2018
Version 3.0.4

PREMIUM OPTIONS
-- extended hearing test
-- latest amplification formula
-- regulated noise suppression
-- editing lower hearing thresholds
-- audio recorder/dictaphone

Jun 04
2018
Version 2.2.3

fix bugs

May 24
2018
Version 2.2.2

Language support extended

Apr 27
2018
Version 2.2.0

Bugs in working with smartphone audio system repaired
Algorithm of audio signal improved
Module of acoustic feedback suppression updated
Language support extended

Sep 14
2017
Version 2.1.8

Bugs in working with smartphone audio system repaired
Algorithm of audio signal improved
Module of acoustic feedback suppression updated
Language support extended

May 04
2017
Version 2.1.2

Apr 14
2017
Version 2.1.0

Jul 26
2016
Version 1.3.0

The application is optimized for Android 6.
Option App Invite - now you can send your friends a message with a link to the application.
Added possibility to switch between the microphone of the Bluetooth headset and the
microphone of mobile device

Nov 25
2015
Version 1.2.0

In this update we have seriously worked on internal optimization of algorithms and audio processing. As a result audio latency was significantly reduced (it depends on a model of your device).
We have implemented suppression of AF Acoustic Feedback - loud squeal or screech from headphones appearing because of short distance between mic and speakers. It can be switched on in "Settings".
Also we fixed bugs and improved stability of the app.

Sep 24
2014
Version 1.1.0

Petralex® is a hearing aid application based on your Android phone or tablet device, running same principles as conventional wearable hearing aid. Auto-adjusting to your personalized hearing profile, completely invisible to anyone - use it with regular headset!

Using powerful hardware running Android 4.1 or higher with our patented algorithms and user-friendly interface with fast profile selection brings maximum sound quality and comfort of use.



Benefits of Petralex®:


- Easy to use - no special devices, no battery replacements or all-day wearing annoyance;
- Quick Setup for any sound environment;
- Increased sampling rate - 44.1 kHz, providing the best sound quality;
- Easy switching between device and headset microphones;
- Full acoustic gain up to 30 dB with a standard headset;
- Minimum signal processing delay - just 6,3-15,7 ms (depending on the model and software running simultaneously);
- Use the built-in mic to catch sound from distant sources, i.e. in classroom, at theatre (or use it as a spy-ear!);
- Easy profile sync for all of your Android powered devices with Dropbox cloud storage support;
- Setup and adjust the app without visiting a specialist;
- BT headset support (for processed sound playback only, sound is captured by device onboard mic).


You can compare the original and processed sound test phrases on our site www.petralex.pro.


Petralex® Hearing Aid is absolutely free to use because of your support. If you find the app useful, please support developers with donation at www.petralex.pro/donate


*Disclaimer:
The Petralex® app is not approved as a medical device or software and cannot be used as a hearing aid with doctor`s prescription.
Audiometric test provided in the application can be used only for app adjustment. Testing results are not a substitute for professional audiology tests and cannot be considered as a basis for diagnosis.


Keep in touch:
https://www.facebook.com/Petralex.EN
https://twitter.com/PetralexEN

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