250+ iOS apps curated and reviewed
Out of 250+ stair calculator with stringer details apps on iOS, 15 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 4.0★ (4) | No | Yes | Oct 2026 | |
| 2 |  | Free | 4.4★ (5) | No | Yes | Oct 2026 | |
| 3 |  | $1.99 | 4.7★ (87) | No | No | Oct 2026 | |
| 4 |  | Free | 4.5★ (423) | No | Yes | Oct 2026 | |
| 5 |  | Free | 4.1★ (740) | No | Yes | Oct 2026 | |
| 6 |  | Free | 4.0★ (4) | Yes | Yes | Oct 2026 | |
| 7 |  | $4.99 | — | No | No | Oct 2026 | |
| 8 |  | Free | — | No | Yes | Oct 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 calculates stair stringer dimensions for builders and DIYers. It provides clear options based on rise and going, with code compliance checks. All calculations and projects are saved on the device for offline use.
This app calculates all necessary measurements for building a stair stringer, including risers, run, angle, and length. Easily adjust parameters and switch between Imperial and Metric units. Share your calculated results via email or text.
