Best Gear Ratio Calculator Apps

248+ iOS apps curated and reviewed

3.5 avg rating
17 free apps
Updated October 2026

Looking for free gear ratio calculator apps? 17 of our 248+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top Gear Ratio Calculator Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Gear Ratio Calculator 2Gear Ratio Calculator 2Free1.0★ (1)NoYesSep 2026
2Gear Ratio Calculator LiteGear Ratio Calculator LiteFree2.0★ (6)NoYesNov 2026
3Gear Simulation & CalculationGear Simulation & Calculation$3.994.3★ (12)NoNoOct 2026
4Racing Diffs - Gear ratioRacing Diffs - Gear ratioFree2.5★ (2)NoNoOct 2026
5Toolbox TREMEC U.S.Toolbox TREMEC U.S.Free3.3★ (3)NoNoMay 2026
6Gear Ratio Calculator & RPMGear Ratio Calculator & RPMFree—NoYesOct 2026
74x4 and Off-Road Calculators4x4 and Off-Road CalculatorsFree5.0★ (1)NoNoOct 2026
8Spur Gear CalculatorSpur Gear CalculatorFree3.7★ (3)NoNoOct 2026

Top Picks for Gear Ratio Calculator

Gear Ratio Calculator 2#1

Gear Ratio Calculator 2 by ABT Co., Ltd.

For optimum gear setting
Editor's Choice
⚽ Sports
1.0(1 ratings)
FreeIn-App Purchases
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This application helps cyclists optimize their gear settings by calculating and visualizing gear ratios. It generates graphs for speed, cadence, and gear ratios based on various component combinations, aiding in the selection of replacement parts for improved performance.

2.0(6 ratings)
FreeIn-App Purchases
Gear Ratio Calculator Lite screenshot 1
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Calculate and visualize gear ratios for road bikes and MTBs. Simulate optimal gear combinations with various chainwheels, sprockets, and tires. Helps in selecting replacement parts by displaying speed-cadence graphs and gear ratio charts.

Gear Simulation & Calculation#3

Gear Simulation & Calculation by Heng Jia Liang

Calculate Gears Fast and Easy
Worth Considering
🔧 Utilities
4.3(12 ratings)
$3.99
Gear Simulation & Calculation screenshot 1
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This tool calculates gear ratios, torque, and speed for gear train systems. It allows users to simulate how these systems work on the fly, aiding in the design of custom gear systems before physical creation. Ideal for DIY enthusiasts and engineers.

More Gear Ratio Calculator apps to explore

FAQ about Gear Ratio Calculator

What are the best gear ratio calculator apps for iPhone?
Gear Ratio Calculator 2 tops our gear ratio calculator apps ranking as of October 2026, with a 1.0-star average from 1 App Store ratings, and it's free to download.
Yes — 17 of the top gear ratio calculator apps we rank are free to download, including Gear Ratio Calculator 2 and Gear Ratio Calculator Lite.
Gear Ratio Calculator 2 has no ads and offers in-app purchases, according to its App Store listing as of October 2026.
We track 248+ gear ratio calculator apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.

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