Gear Ratio app icon

Apps Like Gear Ratio for iPhone and iPad

Calculate vehicle speed and ratios easily.

The app calculates gear ratio, driveline ratio, and vehicle speed using US and Metric units. It supports multiple input methods for tire size and saves calculation history for quick reference.

by Robert Sayman★ 3.01 ratingsUtilities$1.99Data updated 2026-09-10

Gear Ratio screenshots

Ranked alternatives

Showing 1–20 of 1,000 ranked alternatives.

  1. Gear Speed - Brushless RC Speed Calculator app icon

    Gear Speed - Brushless RC Speed Calculator

    Jason Johnson

    Calculate , store setups, add notes

    Calculates , RPM, final drive ratio, and rollout in inches and millimeters. Stores setups and notes. Allows emailing of data for record keeping. Input pinion and spur sizes for calculations.

    ★ 3.8120 ratingsUtilities$0.99Data updated 2026-10-01
  1. Ratio Calc! app icon

    Ratio Calc!

    David Mills

    Radio control car ratio calculator tool.

    The app calculates final drive ratio and rollout for radio control cars. Users can select cars by manufacturer and model, inputting pinion and spur gear sizes.

    ★ 4.525 ratingsSports$2.99Data updated 2026-09-19
  2. RC-GEAR app icon

    RC-GEAR

    WILL PLANT, Y.K.

    Calculate gear ratios and track gear settings

    Calculate car gear ratios using spur and pinion gear counts and secondary gear ratios. Input values to determine final drive ratio. Compare low and high gear settings for acceleration, speed, motor load, and battery life.

    ★ 4.17 ratingsUtilitiesFreeData updated 2026-09-06
  3. Ratio Calculator Total Tool app icon

    Ratio Calculator Total Tool

    SHIGETO TAKAGI

    Calculate ratios and heating time.

    The app calculates ratios and totals from input values. It can also back-calculate ratios from a total and determine heating time based on microwave wattage.

    ★ 4.58 ratingsUtilitiesFreeData updated 2026-10-21
  4. Gear Ratio Calculator Lite app icon

    Gear Ratio Calculator Lite

    ABT Co Ltd

    Calculate bike gear ratios and speed.

    The app calculates gear ratios for road bikes and mountain bikes. It simulates optimal gear ratios by displaying graphs of gear ratio and speed-cadence, allowing users to choose replacement parts.

    ★ 2.06 ratingsUtilitiesFreeData updated 2026-10-06
  5. Video compressor - save space app icon

    Video compressor - save space

    俐 马

    Compress videos and

    Compress videos to storage . Adjust compression ratio or customize resolution, bitrate, and frame rate. Batch compress multiple videos. Split videos into shorter clips. Trim, crop, and compress photos. Clean up album videos to free up .

    ★ 4.74,561 ratingsPhoto & VideoFreeData updated 2026-09-15
  6. Chain & Sprocket Calculator app icon

    Chain & Sprocket Calculator

    Vladislav Zhirnov

    Calculate and ratios

    Calculate gear ratios and speeds by entering teeth. Determine length and tension. Select sizes and types. Export calculations as PDF or image. Compare setups for efficiency.

    ★ 0.00 ratingsUtilities$0.99Data updated 2026-09-06
  7. Gear Ratio Calculator 2 app icon

    Gear Ratio Calculator 2

    ABT Co Ltd

    Calculate ratios and visualize speed-cadence graphs

    Calculate ratios for bicycles with external gearboxes. Input chainwheel, sprocket, and tire sizes to generate speed-cadence and graphs. Simulate optimal ratios by toggling display settings for outer and inner gears.

    ★ 1.01 ratingsSportsFreeData updated 2026-09-06
  8. RC Speed Calculator Pro app icon

    RC Speed Calculator Pro

    Degree3, Inc.

    Estimate RC car top

    Calculate RC car top using gear teeth, motor details, and battery info. Input data to get estimates. Record estimates for different setups. Compare with actual measured by gun. Save and review recorded data.

    ★ 4.923 ratingsUtilitiesFreeData updated 2026-09-06
  9. Dilution Calculator app icon

    Dilution Calculator

    Samuel Blackburn

    Calculate ratios instantly

    Calculate ratios by entering the desired ratio and bottle size. Determine the exact amounts of water and solution needed. Supports litres and millimetres with future unit additions. Share results or provide feedback through in- options.

    ★ 4.7156 ratingsUtilitiesFreeData updated 2026-09-25
  10. Mobile Master-CPU Master app icon

    Mobile Master-CPU Master

    东海 刘

    Measure CPU frequency and reduction

    Monitor CPU frequency and reduction details. View real-time CPU performance metrics. Check screen resolution and size. Display battery design capacity. Track network IP and speed. Identify GPU type and extensions.

    ★ 4.51,241 ratingsUtilitiesFreeData updated 2026-09-14

How we rank alternatives

Apps are ranked by functional similarity, category fit, rating confidence, and popularity.