SoundTach
Xcarab Utilities iPhoneiPadiPod touch
SoundTach is a free Utilities app for iPhone and iPad by Xcarab. Rated 3.5/5 from 8 ratings. Requires iOS 15.0. Updated April 29, 2026.
- Rating
- 3.5
- 8 ratings
- Price
- Free
- on the App Store
- Size
- 51 MB
- Age 4+
- Updated
- Apr 29
- 2026 · v1.3.6
Screenshots
About SoundTach
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 [email protected] Visit soundtach.com for tutorials and tips
Ratings & reviews
3.5
8 ratings
What’s new
Version 1.3.6 · Updated April 29, 2026
Includes bug fixes. The RPM display should now fit screens that have display zoom enabled.
App privacy
The developer, Xcarab, reported these privacy practices to Apple.
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Identifiers: Device ID
- Usage Data: Product Interaction
- Diagnostics: Crash Data, Performance Data, Other Diagnostic Data
- User Content: Audio Data
Used for: Analytics, App Functionality
Alternatives to SoundTach
Looking for apps like SoundTach? Here are 6 similar apps on the App Store. The highest rated is Strobe tachometer (RPM meter) (4.3/5), and 5 of the 6 are free to download.
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SoundRPM: Engine Tachometer
3.0
-
Acoustic Tachometer
-
Engine RPM
4.0
-
Strobe Light – RPM
2.0
-
Camera RPM Meter - StrobeLight
2.2
-
Strobe tachometer (RPM meter)
4.3
| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| SoundTach | 3.5 / 5 (8 ratings) | Free | April 29, 2026 | |
| SoundRPM: Engine Tachometer | 3.0 / 5 (2) | Free | Oct 3, 2026 | Compare |
| Acoustic Tachometer | – | Free | Oct 6, 2026 | Compare |
| Engine RPM | 4.0 / 5 (35) | 8.99 USD | Oct 2, 2026 | Compare |
| Strobe Light – RPM | 2.0 / 5 (1) | Free | Sep 12, 2026 | Compare |
| Camera RPM Meter - StrobeLight | 2.2 / 5 (35) | Free | Jul 15, 2026 | Compare |
| Strobe tachometer (RPM meter) | 4.3 / 5 (83) | Free | Aug 26, 2026 | Compare |
Compare SoundTach with the top alternatives: ratings, updates, ASO score and keyword gaps →