205+ iOS apps curated and reviewed
Looking for free gear ratio calculator apps? 14 of our 205+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.
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.
This digital toolbox helps simplify driveline setup and predict performance by calculating gear ratios, tire size, and vehicle speed variables. Download the app to plan your rig and explore how different combinations impact your vehicle's performance.
This application offers a comprehensive set of calculators for RC car enthusiasts, covering gear ratios, suspension geometry, corner weights, oil viscosity, fuel usage, top speed, and oil blending. With this tool, users can easily make informed adjustments to their vehicles and optimize performance, sign up now and take your RC car bashing and racing to the next level!
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 mobile application provides a collection of off-road calculators for 4x4 enthusiasts, helping them determine ideal gear ratios and more. It brings popular calculators together in a convenient phone app, and users can provide feedback on the app's functionality and suggest future improvements.
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 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 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.
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.
A calculator app with a built-in history feature that keeps track of your calculations without any ads. Calculate effortlessly and access your past computations instantly.
Track your heart rate and other vital health data effortlessly with this app. Stay on top of your fitness goals and monitor your well-being with ease. Download now for a healthier you!
This application calculates the rollout of a RC direct drive car with a simple operation, displaying the results in three easy-to-use tables for setup. To get started, select your display type, input your gear and tire settings, and begin optimizing your car's performance.
Calculator! is a versatile calculator app for iPad and iPhone with standard and scientific functions. Customize the look, take notes, view history, and perform complex calculations with ease. Perfect for math students and professionals.
This proportion calculator helps you find the missing value in an equation, determining the relationship between two sets of quantities, whether they increase or decrease proportionally. Simply input your values and get the calculated result to solve problems involving direct and inverse proportions.
A versatile calculator app with Basic, Scientific, and Programmer modes for iPhone, iPad, and iPod Touch. Easily view history and share results via email or copy. Get precise calculations on-the-go!
Explore a powerful scientific calculator with functions beyond basic arithmetic - trigonometry, statistics, and combinatorics. Create and evaluate custom functions, work offline, view multiple expressions at once, and enjoy a seamless user experience - all for free.
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.
Calculate the top speed of your RC car with ease using RC Speed Calculator Pro! Enter info about your car's gearing, motor, and batteries to get an estimate. Record and compare different setups, and use a speed gun for actual top speed. Speed up your RC experience now!