215+ iOS apps curated and reviewed
The best tdh calculator apps on iPhone average 4.7★ across 215+ titles — we've ranked them by what real users actually keep on their phones. Updated June 2026.
This mobile app helps users calculate key parameters for centrifugal pumps, such as Total Dynamic Head and Net Positive Suction Head, and suggests suitable pumps from a comprehensive catalog. Download the app to perform calculations, save and share results, and find the right pump for your system needs.
This application simplifies pump selection by allowing users to input specific details and calculate system requirements, such as total dynamic head and losses, to choose the right pump for the job. Try it onsite or remotely to save time and ensure accurate pump selection based on actual conditions.
This application helps engineers and technical personnel size slurry pipe systems and pumps by calculating required head pressure and limiting settling velocity based on basic system parameters. It offers various features, including built-in calculation tools, pipe and fitting databases, and the ability to save and email results, making it easy to select the right slurry pumps - try it out today!
A powerful math solver and scientific calculator for iPad and iPhone, featuring advanced functions and quick calculations. Share your results easily and master your business expenses with percentage calculations. Get it now!
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.
Try Calculator₊, the ultimate mathematics tool offering basic, scientific, and plus calculations. Ideal for homework, exams, and managing expenses, this app is like having a personal math tutor on your phone. Download now for easy and intuitive math solutions!
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!
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!
A handy math assistant for solving basic and scientific calculations intuitively and quickly. Become a math master with this free app!
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 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!
Calculator - Free Calculator is a versatile and user-friendly app designed for iPad. Perform a wide range of calculations effortlessly with its optimized features. Download now to streamline your calculations on the go!
Experience a high precision calculator app that offers a user-friendly interface, supports multiple functionalities like undo, switching workspaces, Bluetooth keyboard compatibility, and more. Print and share your calculations with ease and precision for free!
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.
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.
Access a user-friendly calculator offering more than 80 customizable themes. Crunch numbers effortlessly with style.
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.
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.
Experience easy and efficient calculations with this voice-operated calculator app featuring an ergonomic layout, large keys, backspace function, and usage history. Simplify your math tasks with just one step!