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.



250+ iOS apps curated and reviewed
Slope Calculator is the household name in slope calculator, but it's far from the only option. We track 250+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 | Free | 4.3★ (104) | No | Yes | Aug 2026 | |
| 2 | Free | 4.5★ (689) | Yes | Yes | Aug 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 | — | No | 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.


Calculate all aspects of a ramp's dimensions, including slope, run, length, and rise. It can also measure the slope of existing surfaces using your device's sensors. Supports various input combinations for flexible calculations.


This app provides professional-grade calculations for slope, elevation, and distance, essential for surveyors, engineers, and contractors. It features real-time updates, visual diagrams, and project organization with iCloud sync.


This professional construction calculator assists with precise measurements for slopes, roof pitches, stairs, ramps, and grading. It offers instant calculations with live diagrams and supports both imperial and metric units for various construction and DIY projects.






A powerful construction calculator designed for tradespeople. It offers a wide range of tools for estimating, layout, framing, and jobsite calculations, helping to save time and improve accuracy. Supports both imperial and metric units.








This app simplifies complex measurements and fraction calculations. Convert between various units, perform addition and subtraction of measurements, and work with feet-inches and fractional inches. It also includes a full fraction calculator with advanced functions and a history tape.


This app is a powerful construction calculator designed for professionals working with dimensions. It offers a wide range of solutions for dimensional math, right angle calculations, area and volume, and special functions, helping to improve speed and accuracy in layouts, bids, and estimates.


This construction calculator streamlines measurements with a visual ruler and smart keypad, reducing taps for faster calculations. It offers real-time results, history recall, and one-handed operation for tradespeople.






Instantly calculate slopes, arcs, and curves with precision. This app simplifies complex geometry for students, engineers, architects, and fabricators, providing quick and accurate results for various design and construction needs.


This AI-powered tool simplifies construction calculations with instant results, material-saving recommendations, and cost estimations. It offers 15 types of calculations, supports 12 languages, and includes an offline mode for use anywhere. Premium features provide an ad-free experience and full AI assistant access.

