{"assets":{"app_about":{"about_data":{"description":"MEASURE ENGINE RPM FROM SOUND - NO TOOLS NEEDED

SoundTach is the easiest way to measure engine RPM on motorcycles, cars, lawn mowers, chainsaws, and small engines. Simply point your phone at the exhaust and see accurate RPM readings in seconds.

HOW IT WORKS

SoundTach uses advanced audio analysis to detect engine RPM from exhaust sound. No OBD adapter, wires, or manual calibration needed. Just:

1. Select the engine type
2. Point your phone at the exhaust
3. See real-time RPM readings

The app automatically filters background noise and provides confidence indicators so you know when readings are accurate.

KEY FEATURES

- Automatic RPM Detection - Works with a wide variety of engines
- 2-Stroke & 4-Stroke Support - Motorcycles, dirt bikes, ATVs, scooters
- No Manual Configuration - Automatic gain and filtering
- Real-Time RPM Display - Smooth, accurate readings
- Signal Quality Indicator - Know when to move closer or back
- Clean, Professional Interface - Easy to read outdoors

SUPPORTED ENGINES

- Motorcycles (street bikes, sport bikes, cruisers)
- Dirt bikes and motocross
- Scooters and mopeds
- ATVs and UTVs
- Lawn mowers and tractors
- Chainsaws and trimmers
- Generators and pumps
- Go-karts and mini bikes
- Small aircraft engines

PERFECT FOR

Motorcycle Tuning - Set idle RPM precisely without expensive equipment. Perfect for carbureted bikes like vintage motorcycles, cafe racers, and classics.

Mechanic Tools - Add SoundTach to your diagnostic toolkit. Great for quick RPM checks on customer vehicles.

Small Engine Repair - Tune lawn equipment, chainsaws, and generators to manufacturer specifications.

DIY Maintenance - Save money by tuning your own equipment. No need to buy dedicated tachometer gauges.

WHY SOUNDTACH?

SoundTach works automatically. No gain adjustments, no filter configuration, no threshold tuning. Just point and measure.

Our advanced signal processing handles:
- Automatic gain normalization
- Intelligent noise filtering
- Harmonic verification
- Adaptive smoothing

GET STARTED FREE

Try SoundTach free for 7 days with unlimited measurements. No purchase required.

SUPPORT
Questions? Contact us at support@soundtach.com
Visit soundtach.com for tutorials and tips","icon_cdn_path":{"32x32":"https://d1nxzqpcg2bym0.cloudfront.net/google_play/com.xcarab.soundtach/292a36e0-e89c-11f0-9135-65689aba3011/32x32","64x64":"https://d1nxzqpcg2bym0.cloudfront.net/google_play/com.xcarab.soundtach/292a36e0-e89c-11f0-9135-65689aba3011/64x64","128x128":"https://d1nxzqpcg2bym0.cloudfront.net/google_play/com.xcarab.soundtach/292a36e0-e89c-11f0-9135-65689aba3011/128x128"},"primary_category_id":39,"publisher_url":"https://play.google.com/store/apps/dev?id=8795521985425465137","screenshot_urls":["https://play-lh.googleusercontent.com/w8gKxswpyUbop1ZdRY7Il1Muim8ILl-WqFnprT-0mvEF6_KF9MlKLxqDtJz3nTFiu9f9KmrhPngQfxIW9i_K","https://play-lh.googleusercontent.com/4u1n-ISztYjOZU8XPON4Gp00Wfdqrm5VTLy12fZQCkxxPYjphYjpWiSufVvcT9DQC9YO7xIQk1RVSjzokVU8enU","https://play-lh.googleusercontent.com/afxraIFo9eCkkwjHlHfblR2TN0OiuXzUJWTVYcaIEGtVsJK6W0douQbCk8EDGP_IBtRJFf0AMG7RmZcmKZHtVvI","https://play-lh.googleusercontent.com/CVcHlkRHdkwIn3WN7966oAuTyksdJBY_73vbpPPHl3Wf4wX5PgxqXjSUQHMIAO8VZ-PAxMcd2TDPcTt4rEGVxhI"],"name":"SoundTach - Engine RPM Meter","app_id":"com.xcarab.soundtach","category_ids":[39,106],"released_on":"2025-12-31","publisher_id":3381315,"url":"https://play.google.com/store/apps/details?id=com.xcarab.soundtach","publisher_name":"Xcarab","icon_url":"https://play-lh.googleusercontent.com/3mJ-bgBHSxAuFWo0o89tHdZDjoS7Iteu3i3GTVyczNec14VPDpFAnhRXsaJiMNEt75md4N9zJY9pPdSQ1j6qlQ","price":0.0,"screenshot_cdn_paths":["https://d1nxzqpcg2bym0.cloudfront.net/google_play/com.xcarab.soundtach/2a9b7a20-e89c-11f0-9135-65689aba3011/640","https://d1nxzqpcg2bym0.cloudfront.net/google_play/com.xcarab.soundtach/2cdf76b0-e89c-11f0-9135-65689aba3011/640","https://d1nxzqpcg2bym0.cloudfront.net/google_play/com.xcarab.soundtach/2eb1ecc0-e89c-11f0-9135-65689aba3011/640","https://d1nxzqpcg2bym0.cloudfront.net/google_play/com.xcarab.soundtach/3047f610-e89c-11f0-9135-65689aba3011/640"],"avg_release_interval":null,"categories_list":[{"category_id":39,"category_name":"Applications","type":"primary","is_performance_available":false},{"category_id":106,"category_name":"Auto & Vehicles","type":"secondary","is_performance_available":true}],"iap_present":true,"ads_present":false,"subtitle":"Measure motorcycle & engine RPM from exhaust sound. No OBD adapter needed.","released_date_formatted":"Dec 31, 2025","released_on_dev_date_formatted":null},"ratings":{"total_ratings":52,"avg_rating":3.21,"ratings_breakdown":{"3":3,"4":0,"5":26,"1":18,"2":3}},"versions":[{"version":"1.3.0","release_date":"2026-01-09","description":"Add more language support","app_id":"com.xcarab.soundtach","formatted_release_date":"Jan 09, 2026"},{"version":"1.2.2","release_date":"2026-01-06","description":null,"app_id":"com.xcarab.soundtach","formatted_release_date":"Jan 06, 2026"},{"version":"1.2.1-beta","release_date":"2025-12-31","description":null,"app_id":"com.xcarab.soundtach","formatted_release_date":"Dec 31, 2025"}],"filters":{"store":"google_play"},"other_data":{"store_id":"com.xcarab.soundtach","file_size":0,"os_compatibility":"Android 7.0 and up","age_rating":"Everyone","languages_list":[],"permissions":[{"category":"Other","permissions":[{"name":"ACCESS_NETWORK_STATE","description":"Allows applications to access information about networks.","category":"Other"},{"name":"INTERNET","description":"Allows applications to open network sockets.","category":"Other"},{"name":"RECORD_AUDIO","description":"Allows an application to record audio.","category":"Other"},{"name":"WAKE_LOCK","description":"Allows using PowerManager WakeLocks to keep processor from sleeping or screen from dimming.","category":"Other"}]}],"interactive_elements":[],"app_products":[{"name":"$4.99 per item","price":0}],"privacy_url":"https://soundtach.com/privacy","url":"https://play.google.com/store/apps/details?id=com.xcarab.soundtach","store":"google_play"}}}}

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