250+ iOS apps curated and reviewed
The best satisfactory calculator apps on iPhone average 4.1★ across 250+ titles — we've ranked them by what real users actually keep on their phones. Updated September 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 4.1★ (58) | No | No | Aug 2026 | |
| 2 |  | $5.99 | 4.7★ (6.3K) | No | Yes | Sep 2026 | |
| 3 |  | Free | 4.9★ (409K) | Yes | No | Sep 2026 | |
| 4 |  | Free | 3.0★ (1) | No | No | May 2026 | |
| 5 |  | Free | 4.6★ (51K) | Yes | No | Sep 2026 | |
| 6 |  | Free | — | Yes | No | May 2026 | |
| 7 |  | Free | 4.7★ (61K) | No | No | Sep 2026 | |
| 8 |  | Free | — | No | Yes | Jun 2026 |
This production planning tool helps users design and optimize their factory layouts. It features a refreshed interface with a Liquid Glass design and supports the latest iOS versions. Users can provide feedback and suggestions via a Discord community.
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 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.
