243+ iOS apps curated and reviewed
If you already know PV Solar Tilt, this is the deeper bench. 243+ optimal tilt angle apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of October 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 4.4★ (157) | Yes | Yes | Sep 2026 | |
| 2 |  | Free | 4.4★ (295) | Yes | No | Oct 2026 | |
| 3 |  | Free | — | No | Yes | Jun 2026 | |
| 4 |  | $1.99 | 3.6★ (163) | No | No | Aug 2026 | |
| 5 |  | Free | — | No | No | May 2026 | |
| 6 |  | Free | 3.7★ (3) | No | Yes | May 2026 | |
| 7 |  | Free | 2.1★ (11) | No | Yes | Sep 2026 | |
| 8 |  | Free | — | Yes | No | Sep 2026 |
Determine the ideal tilt angle for your photovoltaic system to maximize electricity generation. This app provides solar data, optimization tools, and an on-site inclinometer to ensure your panels are optimally positioned for your location.
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.
