This tool helps filmmakers calculate video data capacity, transfer times, and recording durations. It offers offline use, iCloud synchronization, and language/unit switching.






247+ iOS apps curated and reviewed
Every iPhone needs a few good datacalc apps. We benchmark 247+ 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 | — | No | Yes | Aug 2026 | |
| 2 | Free | 3.8★ (11) | No | No | May 2026 | |
| 3 | Free was $3.99 | — | No | Yes | Jun 2026 | |
| 4 | Free | 4.7★ (13K) | Yes | Yes | Aug 2026 | |
| 5 | Free | 4.8★ (1.8M) | No | No | Aug 2026 | |
| 6 | Free | 4.6★ (1.9K) | Yes | Yes | Aug 2026 | |
| 7 | Free | 4.6★ (215K) | No | Yes | Aug 2026 | |
| 8 | Free | 4.3★ (1.3K) | No | No | Aug 2026 |






This tool helps filmmakers calculate video data capacity, transfer times, and recording durations. It offers offline use, iCloud synchronization, and language/unit switching.





Calculate storage needs for professional video and audio projects. Supports numerous industry formats, codecs, and resolutions from HD to 8K. Easily input durations and view results in various units.




This app helps digital cinema and video professionals estimate storage needs for their recordings. It calculates file sizes based on chosen camera models, codecs, and recording durations. Access to all features may require a subscription.


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.


Create, edit, and collaborate on spreadsheets from anywhere, anytime. Work offline, format cells, insert formulas, and view charts. Seamlessly edit Excel files and enjoy automatic saving of your work.


Securely hide your personal photos, videos, notes, and contacts behind a disguised calculator interface. Protect your privacy with advanced features like intruder alerts and secure cloud backup.


Design impressive spreadsheets with a flexible canvas, interactive charts, and powerful functions. Collaborate with others and access your work across devices. Includes tools for data analysis and text composition.


Explore mathematical concepts by graphing any equation, from simple lines to complex series. This powerful tool allows for interactive exploration with sliders, data tables, and animations. It also includes a scientific calculator and supports inequalities and accessibility features.


Easily solve date math problems with multiple calculation options. This intuitive app helps you find the difference between dates, add or subtract days, and calculate workdays. It's simple and user-friendly for all your date-related needs.


Measure distances, perimeters, and areas with high precision, even accounting for Earth's curvature. Ideal for various users needing accurate land measurements, with options to share findings easily.


This app offers a versatile calculator with three distinct modes: Basic, Scientific, and Programmer. It provides a history view, sharing capabilities, and supports various input and output formats. The app is designed for iPhone, iPad, and iPod Touch.


This app offers a comprehensive suite of over 40 calculators and unit converters for various needs, including finance, health, construction, and everyday math. It features standard, scientific, and specialized calculators for tasks like loan amortization, currency conversion, and material estimation.


This medical app provides a comprehensive suite of tools for calculating gestational age, estimated due dates, and various risk assessments related to pregnancy and women's health. It includes calculators for maternity leave, cervical assessments, and cancer risk estimations, designed for healthcare professionals.


This app functions as a scientific calculator, enabling users to input and edit complex formulas with ease. It supports formula history, variable memory, and various number system conversions for accurate calculations.




This app helps users derive mathematical equations that fit experimental data points. It plots data, draws derived curves, and allows interactive graph manipulation. Users can determine y-values for given x-values, calculate slopes, and find area under the curve.


This app provides essential hand calculations for oilfield specialists and petroleum engineers. It offers a comprehensive collection of formulas and tools for drilling, exploration, and mud engineering, aiming to simplify complex calculations.




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.


This application serves as a versatile tool for both mathematical calculations and real-time currency exchange. It offers a straightforward interface for everyday financial tasks and international currency conversions.