SoundTach is rated 3.67 out of 5 stars. The rating is based on 6 ratings.
App Information
SoundTach is FREE to download. The APK download size is 50.54 MB. The latest version available is 1.3.6. The last update was on April 29, 2026.
Technical Requirements
The app has a content rating of Everyone. The app has been available on Google Play December 2025.
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.
Each subscription will automatically renew 3 days before the expiration date for
the same time period. Subscriptions can be cancelled at any time before the renewal.
