250+ iOS apps curated and reviewed
Looking for free qtc calculadora simples apps? 20 of our 250+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | — | — | No | May 2026 |
| 2 |  | Free | 4.9★ (243K) | Yes | No | Aug 2026 |
| 3 |  | Free | 4.7★ (51) | No | No | Aug 2026 |
| 4 |  | Free | 4.9★ (409K) | Yes | No | Aug 2026 |
| 5 |  | Free | 4.5★ (146K) | Yes | Yes | Aug 2026 |
| 6 |  | Free | — | Yes | No | Aug 2026 |
| 7 |  | Free | 4.8★ (3.2K) | Yes | Yes | Aug 2026 |
| 8 |  | Free | 4.7★ (61K) | No | No | Aug 2026 |
Perform essential arithmetic operations with a straightforward calculator app. Its large buttons and clear display ensure ease of use, supporting both portrait and landscape orientations.
This medical app calculates QTc using nine different formulas. It allows users to input heart rate or RR interval and QT interval length for quick results. An Apple Watch app is also included for convenient access.
This utility app offers a clean and intuitive interface for performing calculations. It prioritizes a user-friendly design with large buttons and a clear display for quick and efficient use.
This utility app offers a straightforward calculation experience with a vast selection of over 80 customizable themes. Personalize your calculator's appearance to suit your style while performing everyday math tasks.
A free, classic calculator app with large, easy-to-press buttons and customizable skins. It supports basic arithmetic, memory functions, and can handle very large numbers without using scientific notation. Multitasking is also supported on compatible devices.
This app offers both basic and scientific calculation modes with over 30 scientific operations. It allows for customization of the app's appearance and includes features for note-taking, drawing, and viewing calculation history. It supports high accuracy calculations and nested parentheses.
Perform complex calculations involving units, physical constants, and symbolic expressions. Get instant results powered by libqalculate for all your mathematical needs.
A straightforward and intuitive calculator app designed for ease of use. It offers a history bar, customizable themes, and advanced mathematical functions, ensuring a pleasant and efficient calculation experience on your device.
This app offers a free basic and scientific calculator with an intuitive interface. It supports fractions, percentages, and advanced editing. Optional upgrades provide specialized calculators for fractions with units, polynomial and linear equation solving, graphing, and geometric shapes.
This multi-function calculator offers basic to advanced scientific and algebraic computations. It includes features like handwriting recognition, equation solvers, and 2D graphing, making it suitable for students and professionals. In-app purchases unlock advanced capabilities.
Access a vast library of free educational content, including interactive exercises, videos, and articles. Master subjects from math and science to humanities and finance at your own pace, with offline access and personalized learning paths.
This app offers both basic and scientific calculators for quick solutions to mathematical expressions. It also features a "Math Notes" function that allows users to type or write out equations and see them solved inline, with support for variables and graphing.
This utility app allows for multi-screen calculations, letting you switch between screens to continue equations without clearing previous work. Save notes, copy values, and access calculation history easily.
This app is a math calculator that solves equations and simplifies algebraic expressions. It handles various number types, fractions, and polynomials, showing all intermediate steps. Supports multiple languages and is suitable for users of all ages.
This app assists with various math calculations, including quadratic equations, the Pythagorean theorem, and logarithms. It displays the formulas used to aid learning and features an easy-to-use interface for checking homework or teaching others.
This app offers a smart calculator experience across iPad, iPhone, and Apple Watch. It features a history of calculations, the ability to edit equations, and a convenient dark mode. Easily share your results and enjoy enhanced productivity with its user-friendly interface.
This app simplifies math with basic, scientific, and fraction calculations. It also features a unique snap-and-scribble function to solve problems from photos. Customize your experience with themes and access a calculation history.
This basic calculator app allows for multiple value calculations and displays the record of the last calculation. Users can easily copy answers by pressing and holding, and it supports Split View on iPad for enhanced multitasking.