245+ iOS apps curated and reviewed
Stair and Angle Calculator is the household name in stair and angle calculator, but it's far from the only option. We track 245+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | $0.99 | — | No | No | Nov 2026 | |
| 2 |  | Free | 4.0★ (4) | No | Yes | Oct 2026 | |
| 3 |  | Free | 4.2★ (46) | Yes | Yes | Oct 2026 | |
| 4 |  | $1.99 | 4.7★ (87) | No | No | Oct 2026 | |
| 5 |  | Free | 4.5★ (97) | No | Yes | Oct 2026 | |
| 6 |  | $1.99 | 1.0★ (1) | No | No | Jul 2026 | |
| 7 |  | $8.99 | 4.9★ (368) | No | No | Nov 2026 | |
| 8 |  | $1.99 | 4.6★ (242) | No | No | Nov 2026 |
This app quickly calculates stair dimensions like number of steps, total run, and stringer measurements. It supports real-time unit conversions between imperial and metric systems and includes a currency converter. Premium features require a subscription.
This app offers tools to simplify stair design and construction calculations. It visualizes stair appearance based on total run and rise, allowing adjustments to the number of steps and their dimensions. Results can be easily shared.
