227+ iOS apps curated and reviewed
If you already know Optical Calculator for ECPs, this is the deeper bench. 227+ optical calculator for ecps apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of June 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 4.5★ (27) | No | Yes | Sep 2026 | |
| 2 |  | Free | 4.7★ (1.7M) | Yes | Yes | Oct 2026 | |
| 3 |  | Free | 4.9★ (34K) | Yes | Yes | Oct 2026 | |
| 4 |  | Free | 4.6★ (358K) | Yes | Yes | Oct 2026 | |
| 5 |  | Free | 4.5★ (126K) | Yes | Yes | Oct 2026 | |
| 6 |  | Free | 4.7★ (16K) | Yes | Yes | Oct 2026 | |
| 7 |  | Free | 4.5★ (146K) | Yes | Yes | Oct 2026 | |
| 8 |  | $5.99 | 4.6★ (12K) | No | Yes | Oct 2026 |
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 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 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.
