248+ iOS apps curated and reviewed
Looking for free optics pd ruler apps? 20 of our 248+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 4.6★ (592) | No | Yes | Sep 2026 | |
| 2 |  | Free | 4.1★ (36) | No | Yes | Sep 2026 | |
| 3 |  | Free | 4.3★ (35K) | No | Yes | Sep 2026 | |
| 4 |  | Free | 3.7★ (24) | Yes | Yes | Sep 2026 | |
| 5 |  | Free | — | — | No | Sep 2026 | |
| 6 |  | Free | — | Yes | No | May 2026 | |
| 7 |  | Free was $0.99 | — | No | No | Aug 2026 | |
| 8 |  | Free | — | No | No | May 2026 |
Measure your pupillary distance accurately using augmented reality and your device's advanced camera. This app provides measurements for both near and far sight, essential for prescription eyeglasses and VR headsets. Keep a history of your measurements for easy reference.
Accurately measure your pupillary distance (PD) for eyeglasses and VR headsets. Offers both manual and automatic measurement modes for precise results. Optimize your eyewear fit with this user-friendly tool.
This app provides a versatile toolkit for all your measurement needs. It includes a classic ruler, a tape measure, and a camera ruler for precise measurements. Easily switch between units and document your findings by adding measurements directly to photos.
