223+ iOS apps curated and reviewed
From beginner-friendly picks to power-user tools, our track gear calculator list covers 223+ iPhone apps updated through May 2026. Compare ratings, prices, and screenshots in one place.
This gear calculator app helps track racers easily determine the best gear for their ride, supporting a range of chainrings and cogs, and includes features like speed/cadence calculation and gear adjustment. Download the app to simplify gear selection and optimize your ride with just a few taps.
Quickly crunch numbers with our user-friendly iPad calculator app that offers basic and scientific functions. Download now for accurate calculations on the go!
Experience a beautifully designed calculator with large buttons and a clear display for quick and efficient calculations. Try it now to discover the simplicity and ease of use for your everyday arithmetic needs.
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.
A simple and intuitive calculator app with essential functions like addition, subtraction, multiplication, and more. Customize with multiple color schemes, copy results easily, and use additional functions on iPad. Experience the perfect balance of features and simplicity today!
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.
Try Digits Tape Calculator, the calculator designed for humans. With a unique correctable tape feature, spreadsheet-like editing, and calculator simplicity, it's perfect for tracking expenses and budgets. Get organized on-the-go with Digits 3 for iOS.
A color calculator app that helps users find complementary color schemes for design projects. Simply input a base color and let the app generate harmonious color combinations for your projects. Try it now to elevate your design choices!
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.
A versatile scientific calculator app designed for math enthusiasts, offering features like natural display for textbook-like equations, symbolic and numeric modes, complex number calculations, calculus functions, statistical analysis, and unit conversion. With a premium upgrade option for additional advanced features and customization. Access the power of NCalc FX now!
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 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.
PCalc Lite is the ideal calculator app for scientists, engineers, students, and programmers offering RPN mode, multi-line display, unit conversions, constants, and more. Try it for free on your iPad and upgrade for additional features or themes. Also available on Apple Watch for on-the-go calculations.
A handy math assistant for solving basic and scientific calculations intuitively and quickly. Become a math master with this free app!
Access a user-friendly calculator app with a built-in archive of your calculations for easy reference. Enjoy an ad-free experience with customizable features for seamless calculations. Try it now for straightforward and efficient math operations.
A versatile calculator app for iPhone and iPad offering over 40 calculators and unit converters for finance, health, and more. Simplify your calculations with just one app today!
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!
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.