---
title: "Engine RPM — App Overview"
url: https://marlvel.ai/intel-report/utilities/com-realtimespecialties-tach
category: Utilities
developer: Real-Time Specialties
platforms: ios, android
rating: 4.0 (34 ratings)
pricing: paid
report_level: overview
generated: 2026-04-24
last_verified: "2026-04-24T13:05:23.515Z"
---

<!-- SECTION: Key Insight -->
> **Key Insight:** The app serves as a low-cost, non-invasive alternative to traditional hardware tachometers, though users note it is best suited for steady-state RPM measurements.

<!-- SECTION: Quick Facts -->
| Metric | Value |
|--------|-------|
| Category | Utilities |
| Rating | 4.0 ★ (34) |
| Pricing | paid |
| Platforms | iOS, Android |
| Latest Version (iOS) | 2.5 |
| Latest Version (Android) | 1.3.0 |
| Developer | Real-Time Specialties |

<!-- SECTION: Summary -->
## What is Engine RPM?

SoundTach is a utility app that uses audio analysis to measure engine RPM for motorcycles, lawn mowers, and other small engines without requiring physical connections. It provides real-time readings by filtering background noise and offering signal quality indicators to ensure measurement accuracy.

<!-- SECTION: Key Features -->
## Key Features

- **Automatic RPM Detection**: Uses advanced audio analysis to calculate engine speed directly from exhaust sound.
- **Multi-Engine Support**: Compatible with both 2-stroke and 4-stroke engines, including motorcycles, ATVs, and power equipment.
- **Signal Quality Indicator**: Provides visual feedback to help users position their device for the most accurate readings.
- **Real-Time Display**: Delivers smooth, live RPM data through a professional interface designed for outdoor use.

<!-- SECTION: Target Audience -->
## Who is it for?

Mechanics, DIY enthusiasts, and equipment owners who need to tune or monitor small engine performance.

<!-- SECTION: Links -->
## Links

- [App Store](https://apps.apple.com/us/app/engine-rpm/id340401811?uo=2)
- [Google Play](https://play.google.com/store/apps/details?id=com.xcarab.soundtach&hl=en&gl=us)
- [Full Intelligence Report](https://marlvel.ai/intel-report/utilities/com-realtimespecialties-tach)

---
*This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/intel-report/utilities/com-realtimespecialties-tach).*
*Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*