90+ iOS apps & games curated and reviewed
Looking for free ratio gear apps and games? 12 of our 90+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.
Calculate gear ratios, gear inches, and gain ratios for mountain bikes to optimize your ride. Use this tool to determine the best gear combinations for your mountain bike.
This bicycle gear calculator helps you find the optimal gearing for your bicycle and compare multiple gearings with each other, displaying key metrics such as gear ratio, speed, and gear inches. Try it out and optimize your ride by comparing different gearing systems to find the one that suits you best.
This application calculates gear ratios for road bikes and MTBs, allowing users to simulate optimal gear combinations and create graphs of gear ratios and speed-cadence. It helps users choose suitable replacement parts by displaying gear ratios, speed, and cadence in various charts, enabling them to find the perfect match for their desired speed range.
This application helps cyclists optimize their gear settings by simulating speed-cadence and gear ratio graphs for various chainwheel, sprocket, and tire combinations. It allows users to find the ideal gear ratio for their desired speed range and select replacement parts to achieve a smoother ride.
Calculate your vehicle's maximum speed per gear with precision by inputting tire dimensions, transmission ratios, and engine parameters. Optimize your car's performance for the track or drag strip by understanding the impact of gear ratios on speed and acceleration.
This utility calculates gear ratio, driveline ratio, and vehicle speed in both US and Metric units, given input and output gear teeth, axle ratio, tire size, and engine speed. It's a handy tool for anyone who needs to make quick calculations, such as kart or bicycle enthusiasts, and allows users to save and share calculation results.
This application is a quick and easy tool for radio control car racers to calculate their final drive ratio and rollout, allowing them to determine if their car is geared correctly. It enables users to select their car, pinion and spur size, and calculate ratios, with features to save favourite cars, choose measurement units, and access ratio charts.
This application calculates key parameters of spur gears and pinions, including outside diameter, centre distance, and ratio, based on gear system and tooth count. Try it out to easily determine essential specifications for your spur gear and pinion designs.
This application helps users design and simulate planetary gear systems, calculating gear teeth and speed, and is ideal for DIYers who want to quickly and easily create their own systems before 3D printing. Try it out to preview and test your planetary gear system designs on the fly.
This application allows users to quickly and easily calculate gear ratios, torque, and speed of gear train systems, and simulate how they work. It's a useful tool for DIYers and engineers to design and preview gear systems before building them, and can help with calculations for mechanical advantage and gear ratios.
This application allows users to compare different tire and wheel combinations with transmission gears and differential ratios, providing interactive graphs and tables to analyze results. With three calculators, users can determine gear speeds, compare tire sizes, and print or save results for future reference, try it out now and optimize your vehicle's performance.
This gear calculator for cyclists helps optimize bicycle gearing, calculate speed at a given cadence, and manage gear configurations in one place. With various tools and features, cyclists can make informed decisions about their gearing, compare options, and plan their rides more effectively.
Optimize your kart's performance with this gearing ratio setup tool, helping you drive faster and more efficiently. Get started now and fine-tune your kart for maximum speed.
This gear ratio speed calculator helps you determine the speed of your car for a specific gear at a given engine RPM, using transmission and differential gear ratios, and tire size. Calculate theoretical speed, travel distance, and top speed for each gear, and choose between metric or Imperial units.
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This application helps you calculate the final drive ratio of your RC car using a simple formula, making it easy to determine the optimal gear setting for your vehicle. By inputting a few numbers, you can find the perfect balance between acceleration, speed, and battery life, and optimize your RC car's performance.