216+ iOS apps curated and reviewed
The best school age calculator app 2020 apps on iPhone average 4.6★ across 216+ titles — we've ranked them by what real users actually keep on their phones. Updated June 2026.
This app helps parents and school staff accurately calculate a child's age in years, months, and days for school admission forms. It simplifies a complex calculation, accounting for leap years, and allows for easy sharing of the results.
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.
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.
This app offers a calculator with an editable, line-by-line tape history, combining spreadsheet-like functionality with calculator simplicity. Easily correct mistakes, add comments, and share or print your calculations.
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 straightforward calculator app designed for simplicity, offering basic arithmetic operations and percentage calculations. It allows users to record and recall past results, customize colors, and enable touch sounds for a personalized experience.
This app serves as a powerful scientific graphing calculator, offering advanced mathematical functions and graphing capabilities. It includes a built-in AI assistant for math queries and a comprehensive user manual. Ideal for students and professionals needing complex calculations and visualizations.
This app offers a customizable and fast calculator experience with a wide variety of themes. It includes scientific and standard modes, real-time results, and calculation history. Personalize your math with over 60 cute and colorful themes, including animated options.
Calculate your exact age in various units like months, days, hours, minutes, and seconds. This app also includes a BMI calculator for additional health insights.
Calculate your precise age in various units of time, from years down to seconds. Save ages, find remaining time until your next birthday, and use it for various counting needs like birthdays or pets.
A straightforward and reliable calculator application designed for iPad and iOS 9. It offers a standard calculation experience with a charming piano sound effect and is optimized for high-resolution screens.
This app reimagines the everyday calculator with a fun, game-like interface and animations. It displays your full equation as you type, making it easy to spot and correct mistakes. Customizable skins and seasonal updates keep the experience fresh.
This app provides a straightforward calculator experience with a comprehensive history log of all your computations. Customize the keyboard, display, and history records to suit your needs. Easily add annotations and titles to past calculations for better organization.
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 a modern graphing calculator experience on your iPhone. It features fast, interactive touch-screen graphing, scrollable windows, and intelligent error messages for a more intuitive user experience. Designed to be a usable alternative to physical graphing calculators.
This app accurately calculates time-related tasks, including working hours, durations between dates, and age. It offers a user-friendly interface with dark mode and offline functionality, allowing for easy time management for work and personal life.
Quickly determine a person's chronological age with this straightforward calculator. It automatically computes age upon entering a birth date and can also calculate age for a past date.
This app reimagines the calculator experience with a freeform canvas, dynamic results, and linked numbers. It allows for easy everyday calculations, real-time graphing, and annotation, making complex math visualization intuitive.
A highly customizable calculator app offering a modern interface and extensive features. Personalize themes, button layouts, and visual elements. Track your calculations with a detailed history and access scientific functions.
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.