1. Home
  2. Topics
  3. Belt Tension

Best Belt Tension Apps

69+ iOS apps curated and reviewed

4.1 avg rating
17 free apps
Updated September 2026

Every iPhone needs a few good belt tension apps. We benchmark 69+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Compare top Belt Tension Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Belty - Belt TunerBelty - Belt TunerFree5.0★ (3)NoNoSep 2026
2Smart Belt DriveSmart Belt DriveFree3.4★ (10)NoNoMay 2026
3Carbon Drive Belt Tension ToolCarbon Drive Belt Tension ToolFree2.7★ (21)NoNoSep 2026
4Tension Meter CompanionTension Meter CompanionFree—NoNoMay 2026
5Belt Tension CalculatorBelt Tension CalculatorFree—NoNoMay 2026
6Decibel X:dB Sound Level MeterDecibel X:dB Sound Level MeterFree4.6★ (162K)NoYesSep 2026
7Wisconsin MyWICWisconsin MyWICFree2.7★ (6)NoNoSep 2026
8Make Power SmartMake Power SmartFree5.0★ (1)NoNoJul 2026

Top Picks for Belt Tension

Smart Belt Drive#2

Smart Belt Drive by HUTCHINSON

Strong Contender
📊 Productivity
3.4(10 ratings)
Free
Smart Belt Drive screenshot 1
Smart Belt Drive screenshot 2
Smart Belt Drive screenshot 3
Smart Belt Drive screenshot 4
Smart Belt Drive screenshot 5
Smart Belt Drive screenshot 6

This application provides a comprehensive diagnostic tool for belt drive systems. It measures key parameters like pulley speeds, belt frequency, tension, and system geometry to ensure optimal performance, energy efficiency, and extended service life.

Carbon Drive Belt Tension Tool#3

Carbon Drive Belt Tension Tool by Gates Corporation

Gates Carbon Drive
Worth Considering
⚽ Sports
2.7(21 ratings)
Free
Carbon Drive Belt Tension Tool screenshot 1
Carbon Drive Belt Tension Tool screenshot 2
Carbon Drive Belt Tension Tool screenshot 3
Carbon Drive Belt Tension Tool screenshot 4

This app uses your phone's microphone to measure the sonic vibration frequency of a belt drive. It helps you determine if your bicycle belt tension needs adjustment by comparing the frequency to a provided chart. It also offers a calculator for bicycle belt drive parameters like speed ratio and center distance.

More Belt Tension apps to explore

FAQ about Belt Tension

What are the best belt tension apps for iPhone?
Belty - Belt Tuner tops our belt tension apps ranking as of September 2026, with a 5.0-star average from 3 App Store ratings, and it's free to download.
Yes — 17 of the top belt tension apps we rank are free to download, including Belty - Belt Tuner and Smart Belt Drive.
Belty - Belt Tuner has no ads and has no in-app purchases, according to its App Store listing as of September 2026.
We track 69+ belt tension apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
Belty is used to measure the frequency of a plucked timing belt, providing real-time feedback to help you tune its tension accurately. It also includes calculators for tension and belt length.
No, Belty runs entirely on your device. It does not require an account, collect any data, or record audio. The microphone is solely used to listen to the belt.

Related searches

gates belt tensioncarbon drive belt tension toolbelt tension calculator