250+ iOS apps curated and reviewed
The best data calculator apps on iPhone average 4.2★ across 250+ titles — we've ranked them by what real users actually keep on their phones. Updated October 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 4.7★ (2.6K) | Yes | Yes | Oct 2026 | |
| 2 |  | Free | 4.7★ (1.7M) | Yes | Yes | Oct 2026 | |
| 3 |  | Free | 3.0★ (2) | No | No | May 2026 | |
| 4 |  | Free | 3.3★ (8) | No | No | May 2026 | |
| 5 |  | Free | — | No | No | Jul 2026 | |
| 6 |  | $5.99 | 4.7★ (6.3K) | No | Yes | Oct 2026 | |
| 7 |  | Free | 5.0★ (3) | No | No | Sep 2026 | |
| 8 |  | Free | 4.7★ (61K) | No | No | Oct 2026 |
Easily calculate the duration between two dates, with or without accounting for the time of day. You can also add or subtract various time units from a specific date. The results are automatically converted into multiple units for your convenience.
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.
Estimate your mobile data usage to find the best data plan for your needs. This tool helps you understand your potential consumption and guides you toward a suitable package, especially useful for shared family plans.
