174+ iOS apps curated and reviewed
The best skf belt calc apps on iPhone average 4.4★ across 174+ titles — we've ranked them by what real users actually keep on their phones. Updated June 2026.
This application allows field engineers and technical sales people to quickly assess and optimize belt drive designs, proposing alternative solutions and generating PDF drawings and installation instructions. It enables users to work efficiently in the field, and is available in multiple languages with more features to be added in the future.
Access a user-friendly calculator offering more than 80 customizable themes. Crunch numbers effortlessly with style.
This app helps users verify the authenticity of products by providing step-by-step instructions on how to photograph and submit the product for expert review, or by scanning a code on the packaging for instant feedback. By using the app, users can quickly and easily determine if a product is genuine or potentially counterfeit.
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 is a powerful tool for calculating fractions with ease, providing users with a handy way to perform fraction-related calculations quickly and efficiently. Simplify your math tasks and crunch numbers effortlessly with this handy fraction calculator app.
This application guides users through the bearing mounting process, providing step-by-step instructions, suitable bearing searches, and tools to track and document mounting history. By creating an account, users can collaborate with teams, save mounting details, and generate reports to streamline maintenance work - try it out today!
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.
Enhance your math skills with the ultimate scientific calculator app designed for students and professionals. From step-by-step solutions to instant access to key formulas, HiEdu Calculator simplifies complex calculations and provides a vast library of functions. Perfect for standardized test preparation or everyday classwork - transform your educational journey today!
An essential tool for professionals working with dimensions, this app optimizes speed and accuracy while reducing errors. Try it for free before purchase on your App Store account. Ideal for enhancing productivity on the go.
"Experience the most powerful RPN scientific calculator for iOS with a rich set of features including a full Computer Algebra System (CAS), access to HP-41 library modules, and extensive customization options. Enhance your scientific, engineering, and financial calculations with a virtual thermal printer, programmable functionality, and iCloud support. Download now for a comprehensive calculator experience."
The app is a comprehensive graphing calculator that features algebraic entry, math functions, graph plotting, statistics, matrix operations, unit conversion, BASIC programming, chemistry tools, geometry calculations, finance functions, and a built-in user guide for easy reference. It offers a colorful, fast, and fluid experience on iPhone and iPad with advanced features like touch input, high-resolution graph outputs, and fast computation speeds. Explore its diverse functionality to enhance your mathematical tasks.
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.
This mobile application turns your device into a productivity tool for maintenance, combining machine inspections and vibration data to provide on-the-spot analysis and guidance for rotating equipment. It enables users, both novice and expert, to ensure their equipment runs smoothly with the help of expert knowledge.
A versatile business calculator with over 100 functions for finance, math, and stats. Calculate loans, interest, cash flows, and more with ease on both iPhone and iPad. Perfect for business professionals and students alike.
This application is designed to work with a specific hardware tool to make shaft alignments of rotating machines easy and accurate. It offers a user-friendly interface, flexible measurement options, and automatic reporting, allowing users to experience a complete alignment process, even in demonstration mode, and get started with purchasing the required hardware.
This application guides users through mounting bearings with a tapered bore on various seatings using a specific method, utilizing pictures and animations for clarity. It also calculates necessary values for a successful mounting process, helping users achieve accurate results.
A powerful graphing calculator app designed for all users, offering both basic and advanced mathematical functions with a user-friendly interface. Equipped with a robust math core and support features for engineers and math students. Explore built-in documents and tutorials for a comprehensive mathematical experience.
This intuitive shaft alignment system uses innovative technology to enable accurate and reliable alignments of rotating machines, with a user-friendly app that guides users through the process. Experience the complete alignment process with a fully functional demonstration mode, or get started with purchasing the hardware for a comprehensive solution.
This calculator app is designed for office use, offering a large key layout and a paper tape feature to review calculations, add comments, and email or print the results. With customizable keyboards and adjustable display sizes, it's a user-friendly tool for everyday math tasks, and users can upgrade to a full version for additional features.