Stair Calculator Plus
Nitrio Utilities iPhoneiPadiPod touch
Stair Calculator Plus is a paid Utilities app for iPhone and iPad by Nitrio. Rated 3.0/5 from 18 ratings. Requires iOS 12. Updated December 17, 2025.
- Rating
- 3.0
- 18 ratings
- Price
- 2.99 USD
- on the App Store
- Size
- 8 MB
- Age 4+
- Updated
- Dec 17
- 2025 · v1.2
Screenshots
About Stair Calculator Plus
Stair Calculator can be used to find stair rise and run, stair rail angle, stringer length, and other important factors of stair design. Features: - Instant calculation - Result are copy able to other app - Formula are include as reference - Support up to 16 decimal place - Support various unit for each input General guidelines in Stair Design : - Run unit should not be less than 10 inches / 25 cm - Rise unit should not exceed 7 3/4 inches / 20 cm A stairway, staircase, stairwell, flight of stairs, or simply stairs is a construction designed to bridge a large vertical distance by dividing it into smaller vertical distances, called steps. Stairs may be straight, round, or may consist of two or more straight pieces connected at angles. Thanks for your support and do visit nitrio.com for more apps for your iOS devices.
Ratings & reviews
3.0
18 ratings
What’s new
Version 1.2 · Updated December 17, 2025
- Updated for the newest devices. - Minor bugs fixed.
App privacy
The developer, Nitrio, reported these privacy practices to Apple.
Data Not Collected
The developer does not collect any data from this app.
Alternatives to Stair Calculator Plus
Looking for apps like Stair Calculator Plus? Here are 6 similar apps on the App Store. The highest rated is RawCost: Corrugated (5.0/5), and 2 of the 6 are free to download.
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Stair Stringer
4.7
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Stair Calculator 2
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RawCost: Corrugated
5.0
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AutoArchiveX: Car Service Log
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Kitchen timer only numbers
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Stair Calculator: Run & Rise
4.2
| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| Stair Calculator Plus | 3.0 / 5 (18 ratings) | 2.99 USD | December 17, 2025 | |
| Stair Stringer | 4.7 / 5 (88) | 1.99 USD | Nov 21, 2023 | Compare |
| Stair Calculator 2 | – | 6.99 USD | Jun 17, 2024 | Compare |
| RawCost: Corrugated | 5.0 / 5 (2) | 9.99 USD | Jun 24, 2026 | Compare |
| AutoArchiveX: Car Service Log | – | Free | Feb 3, 2026 | Compare |
| Kitchen timer only numbers | – | 0.99 USD | Nov 25, 2024 | Compare |
| Stair Calculator: Run & Rise | 4.2 / 5 (46) | Free | May 21, 2026 | Compare |