BeltTune
Timing belt tension tool
Only for iPhone
$4.99
iPhone
BeltTune brings professional-grade belt tension measurement to your pocket. Using advanced audio analysis, this powerful tool helps engineers, mechanics, and maintenance professionals ensure optimal belt installation and performance.
KEY FEATURES:
• Instant frequency measurement with real-time audio analysis
• Support for multiple belt segments with individual measurements
• Automatic frequency averaging for consistent results
• Clean, intuitive interface designed for workshop environments
• No external hardware required - just your iPhone's microphone
PERFECT FOR:
• Ferrari
• Porsche 944/928
• Lotus Esprit
• Ducati
HOW IT WORKS:
Simply tap and hold the "Listen" button, strike the belt to create a vibration, and BeltTune will instantly display the belt's natural frequency. Multiple measurements can be taken and averaged for enhanced accuracy, ensuring your belt installations meet manufacturer specifications every time.
PROFESSIONAL ACCURACY:
BeltTune utilizes sophisticated signal processing and harmonic analysis to deliver precise frequency measurements between 60-500 Hz, making it suitable for most industrial and automotive belt applications.
Get BeltTune today and take the guesswork out of belt tension measurement. Your belts (and your machines) will thank you.
Ratings & Reviews
We rebuilt BeltTune from the ground up.
Smarter Detection Engine — Completely reworked audio analysis delivers dramatically more accurate frequency readings, even in noisy garages and workshops. Harmonic filtering now tells the difference between your belt's true pitch and its overtones, so you get the right number every time.
All-New Design — A cleaner, more intuitive interface makes tuning faster and easier to read at a glance. Spend less time squinting at numbers and more time getting your belt right.
The developer, Justin Oakes, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Justin Oakes
- Size
- 4.2 MB
- Category
- Utilities
- Compatibility
Requires iOS 18.1 or later.
- iPhone
Requires iOS 18.1 or later.
- iPhone
- Languages
English and 4 more
- English, French, German, Italian, Spanish
- Age Rating
4+
- 4+
- Copyright
- © 2026 Justin Oakes
