250+ iOS apps curated and reviewed
Finding the right free stair calculator apps can be overwhelming with so many options. We've analyzed 250+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.0★ (4) | No | Yes | Aug 2026 |
| 2 |  | Free | — | Yes | Yes | Jul 2026 |
| 3 |  | Free | 4.1★ (39) | Yes | Yes | Aug 2026 |
| 4 |  | Free | 4.5★ (407) | No | Yes | Aug 2026 |
| 5 |  | Free | 4.1★ (738) | No | Yes | Aug 2026 |
| 6 |  | Free | — | No | Yes | Aug 2026 |
| 7 |  | Free | 4.5★ (96) | No | Yes | Aug 2026 |
| 8 |  | Free | — | No | Yes | May 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.
This app simplifies complex stair calculations and designs with advanced 3D visualization. It offers a comprehensive suite of calculators for various stair types, supporting multiple measurement units and providing detailed, to-scale plans for professionals and DIYers.
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 provides advanced construction math tools for builders and contractors. It offers precise calculations for framing, material estimation, and complex angles, helping to reduce errors and save time on the job.
This utility app assists with stair design by instantly calculating crucial measurements like rise, run, and rail angle. It supports high precision with up to 16 decimal places and offers flexibility with various input units. Results can be easily copied to other applications for seamless workflow integration.
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 app calculates stair dimensions, checks building codes, and generates cut lists for builders and DIYers. It provides live diagrams, lumber information, and framing square layouts, all without requiring an account or subscription. The tool is designed for efficiency at the workbench and offers print-ready PDFs.
This is a simple and aesthetically pleasing calculator app designed for iPhone. It offers essential arithmetic functions with a calming pink interface and user-friendly features like haptic feedback and calculation history. It operates completely offline and is free to use.