220+ iOS apps curated and reviewed
The best optical calculator apps on iPhone average 4.6★ across 220+ titles — we've ranked them by what real users actually keep on their phones. Updated July 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 5.0★ (3) | No | No | May 2026 | |
| 2 |  | Free | 4.5★ (27) | No | Yes | Sep 2026 | |
| 3 |  | Free | 4.9★ (409K) | Yes | No | Oct 2026 | |
| 4 |  | Free | 4.7★ (61K) | No | No | Oct 2026 | |
| 5 |  | Free | 4.6★ (36K) | Yes | Yes | Oct 2026 | |
| 6 |  | Free | 4.9★ (34K) | Yes | Yes | Oct 2026 | |
| 7 |  | Free | 4.7★ (1.7M) | Yes | Yes | Oct 2026 | |
| 8 |  | Free | 5.0★ (4) | No | No | Aug 2026 |
This utility app provides a comprehensive calculator for a variety of optical equations. It is designed for ease of use, making complex calculations accessible on your mobile device.
This medical app provides a suite of specialized optical calculation tools for eye care professionals. It offers features like lens thickness, vertex compensation, and prism compounding, with a focus on accuracy and ease of use. A subscription unlocks all current and future calculators.
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.
