Calculate slope in angle, percentage, or ratio by inputting two sides of a right triangle. This intuitive and easy-to-use application provides the remaining necessary values.



249+ iOS apps curated and reviewed
If you already know Slope Calculator, this is the deeper bench. 249+ slope calculator app for iPhone, all reviewed and ranked by user rating, recency, and download trend as of September 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | Free | 4.3★ (104) | No | Yes | Sep 2026 | ||
| 2 | Free | 4.5★ (693) | Yes | Yes | Sep 2026 | ||
| 3 | Free | 4.1★ (35) | No | No | May 2026 | ||
| 4 | Free | 4.3★ (75) | No | No | Jul 2026 | ||
| 5 | $9.99 was $13.99 | 3.0★ (3) | No | No | Jul 2026 | ||
| 6 | Free | 5.0★ (1) | Yes | Yes | Aug 2026 | ||
| 7 | Free | — | No | No | May 2026 | ||
| 8 | Free | — | Yes | No | May 2026 |



Calculate slope in angle, percentage, or ratio by inputting two sides of a right triangle. This intuitive and easy-to-use application provides the remaining necessary values.






This app transforms your phone into a precise leveling tool. It offers accurate angle measurement, inclination detection, and augmented reality features for DIY and professional use. Calibration is simple and quick.





This tool helps construction professionals compare excavation methods. Input soil type and excavation dimensions to get calculated results and a visual guide. Save and share findings as PDFs.