247+ iOS apps curated and reviewed
The best stair calculator construction apps on iPhone average 4.5★ across 247+ titles — we've ranked them by what real users actually keep on their phones. Updated September 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 4.1★ (738) | No | Yes | Sep 2026 | |
| 2 |  | Free | 4.8★ (40K) | No | Yes | Sep 2026 | |
| 3 |  | Free | 4.6★ (409) | Yes | Yes | Sep 2026 | |
| 4 |  | Free | 4.5★ (407) | No | Yes | Aug 2026 | |
| 5 |  | Free | 4.8★ (13K) | No | Yes | Sep 2026 | |
| 6 |  | $6.99 | — | No | No | May 2026 | |
| 7 |  | $1.99 | 4.6★ (239) | No | No | Aug 2026 | |
| 8 |  | $1.99 | 4.8★ (83) | No | No | Sep 2026 |
This app calculates essential parameters for stair construction, offering flexibility in input and providing multiple step set options. It supports various units and allows results to be easily copied.
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.
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.
