249+ iOS apps curated and reviewed
Looking for free optics pd ruler apps? 20 of our 249+ 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★ (585) | No | Yes | Aug 2026 |
| 2 |  | Free | 4.1★ (36) | No | Yes | Aug 2026 |
| 3 |  | Free | 3.6★ (23) | Yes | Yes | Aug 2026 |
| 4 |  | Free | 4.3★ (35K) | No | Yes | Aug 2026 |
| 5 |  | Free was $0.99 | — | No | No | Aug 2026 |
| 6 |  | Free | 4.6★ (10) | No | Yes | Aug 2026 |
| 7 |  | Free | — | No | No | May 2026 |
| 8 |  | Free | 4.2★ (399) | Yes | No | Aug 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.
Turn your iPhone or iPad into a precise measuring tool. Easily measure lengths in centimeters or inches with features like magnifier mode and haptic feedback. Ideal for daily tasks, office use, DIY projects, and on-the-go measurements.
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.
This medical app uses your iPhone camera to quickly measure your pupillary distance (PD). Save results with photos, add notes, and export them for ordering glasses or tracking over time. It prioritizes simplicity, speed, and privacy with on-device processing.
Transform your device into a precise measuring tool. Measure objects, distances, and spaces with fingertip accuracy. Offers real-time results in both metric and imperial units, with professional calibration for your specific device.
Measure objects and distances with an on-screen ruler and augmented reality. Supports inches and centimeters, with features for linear sizes, angles, area, volume, and more. Save your measurements for later use.
This app provides a digital ruler for measuring the length and diameter of small objects directly on your device. It features a millimeter scale and allows for easy sliding to measure.
Measure objects directly on your smartphone screen without needing traditional tools. This utility offers an easy-to-use interface with accurate scales in centimeters and inches, supporting both horizontal and vertical measurements.
Transform your smartphone into a portable measuring tool. Accurately measure lengths in both inches and centimeters directly from your device.
Transform your smartphone into a precise measuring tool. This utility app allows you to measure lengths and distances directly on your device's screen. Ideal for quick estimations and practical applications.
Accurately measure your interpupillary distance (PD) using advanced iPhone sensors. Get precise results in seconds for ordering glasses, setting up VR, or tracking vision. Offers both free basic measurements and advanced pro features via in-app purchase.
This app provides a precise on-screen measuring tool for your iPhone or iPad. Easily measure length and width in centimeters, millimeters, or inches, with options to save measurements as photos and customize the ruler's appearance. It's designed for accurate, user-friendly measurements.
