250+ iOS apps curated and reviewed
The best incline measure apps on iPhone average 4.4★ across 250+ titles — we've ranked them by what real users actually keep on their phones. Updated October 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 4.4★ (295) | Yes | No | Oct 2026 | |
| 2 |  | Free | 4.6★ (112K) | Yes | Yes | Oct 2026 | |
| 3 |  | Free | 3.3★ (3) | No | Yes | Jul 2026 | |
| 4 |  | Free | 5.0★ (3) | No | Yes | Sep 2026 | |
| 5 |  | Free | 4.2★ (2K) | Yes | Yes | Oct 2026 | |
| 6 |  | Free | — | No | Yes | Sep 2026 | |
| 7 |  | Free | — | No | No | Aug 2026 | |
| 8 |  | Free | — | No | Yes | Sep 2026 |
Easily measure tilt angles with this free protractor app. It displays inclination from 0 to 359 degrees, along with gradient percentages and angles summing to 180 or 360 degrees. Switch to theodolite mode to set a specified angle to zero.
This app offers a suite of measurement and detection tools, including a bubble level for alignment, angle measurement, surface flatness checks, and metal detection. It also features an AR ruler for distance measurement and an inclinometer for off-road navigation.
This utility app uses your device's sensors to accurately measure the angle and inclination of surfaces. Save, name, and share your measurements, with advanced features available through an in-app purchase.
