Easily calculate the difference between two dates or add/subtract time units to a specific date. This tool helps determine time spans, future dates, and past deadlines with straightforward operations.


232+ iOS apps curated and reviewed
Every iPhone needs a few good date calculator pw apps. We benchmark 232+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 | Free | 2.8★ (6) | — | No | Jun 2026 | |
| 2 | Free | 4.9★ (404K) | Yes | No | Jul 2026 | |
| 3 | Free | 4.7★ (60K) | No | No | Jul 2026 | |
| 4 | Free | 4.6★ (36K) | Yes | Yes | Jul 2026 | |
| 5 | Free | 4.9★ (33K) | Yes | Yes | Jul 2026 | |
| 6 | Free | 4.5★ (3.3K) | Yes | Yes | Jul 2026 | |
| 7 | Free | 4.7★ (12K) | Yes | Yes | Jul 2026 | |
| 8 | Free | 4.5★ (126K) | Yes | Yes | Jul 2026 |


Easily calculate the difference between two dates or add/subtract time units to a specific date. This tool helps determine time spans, future dates, and past deadlines with straightforward operations.


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 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 straightforward calculation experience, focusing on essential functions without unnecessary complexity. It includes basic arithmetic, percentage calculations, and advanced functions like square root. Users can customize the appearance with multiple color schemes and utilize features like result copying and split-screen multitasking on iPad.


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.


This comprehensive calculator app offers a wide range of tools for everyday calculations, from basic arithmetic and scientific functions to unit and currency conversions. It includes specialized calculators for loans, health, fuel costs, GPA, and more, all within a clean and user-friendly interface.


This app offers both basic and advanced scientific calculations with an intuitive interface designed for tablets and phones. It includes features like currency conversion, calculation history, and the ability to share results. An optional premium membership removes ads and provides enhanced support.


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.


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.


Calculate the exact number of days, hours, and seconds between any two dates. This tool also allows you to find the date before or after a specified period, making it useful for tracking deadlines, events, or financial products.


This app offers a comprehensive suite of calculation tools, including basic, scientific, and unit conversion functions. It features an AI-powered math solver that can solve problems from photos and a dedicated math notes section for jotting down equations and diagrams. Accessibility options like dynamic text size and VoiceOver support are also included.


This advanced calculator app offers a powerful math core and algebra engine for basic to complex calculations. It includes features like step-by-step solutions, handwriting recognition, and 2D graphing, making it suitable for students, engineers, and programmers.


This app offers a comprehensive suite of 12 calculators, including scientific, currency, unit, and finance functions. It features advanced modes, extensive formula support, and a user-friendly interface for all calculation needs.


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.


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 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 comprehensive toolkit helps manage time, dates, and schedules with various calculators. Track work hours, plan shifts, convert time formats, and calculate differences between dates. Ideal for professionals, freelancers, and everyday users needing precise time management.


This free calculator app offers a fast, ad-free experience with a visual input and calculation history. Customize your experience with various keyboard sounds and colors, and access advanced scientific functions when needed.


Easily add or subtract time values including hours, minutes, and seconds. Calculate durations with days, weeks, months, and years. This tool simplifies time-based calculations for various needs.