227+ iOS apps curated and reviewed
Out of 227+ stair calculator plus apps on iOS, 16 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 | 4.6★ (36K) | Yes | Yes | Jul 2026 |
| 2 |  | $2.99 | 3.0★ (18) | No | No | Jul 2026 |
| 3 |  | Free | 4.7★ (1.7M) | Yes | Yes | Jul 2026 |
| 4 |  | Free | 4.9★ (404K) | Yes | No | Jul 2026 |
| 5 |  | Free | 4.8★ (39K) | No | Yes | Jul 2026 |
| 6 |  | Free | 4.9★ (33K) | Yes | Yes | Jul 2026 |
| 7 |  | Free | 4.7★ (23K) | No | Yes | Jul 2026 |
| 8 |  | Free | 4.6★ (6.2K) | Yes | Yes | Jul 2026 |
This multi-function calculator offers basic to advanced scientific and algebraic computations. It includes features like handwriting recognition, equation solvers, and 2D graphing, making it suitable for students and professionals. In-app purchases unlock advanced capabilities.
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 offers a comprehensive suite of calculation tools, including basic, scientific, and unit conversion functions. It features an AI-powered math solver that can solve problems from photos and a dedicated math notes section for jotting down equations and diagrams. Accessibility options like dynamic text size and VoiceOver support are also included.
This utility app offers a clean and intuitive interface for performing calculations. It prioritizes a user-friendly design with large buttons and a clear display for quick and efficient use.
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 offers a straightforward calculation experience, focusing on essential functions without unnecessary complexity. It includes basic arithmetic, percentage calculations, and advanced functions like square root. Users can customize the appearance with multiple color schemes and utilize features like result copying and split-screen multitasking on iPad.
This free calculator app offers a fast, ad-free experience with a visual input and calculation history. Customize your experience with various keyboard sounds and colors, and access advanced scientific functions when needed.
This app offers a smart calculator experience across iPad, iPhone, and Apple Watch. It features a history of calculations, the ability to edit equations, and a convenient dark mode. Easily share your results and enjoy enhanced productivity with its user-friendly interface.
This app provides 15 calculators for estimating concrete, blocks, mortar, rebar, and gravel. It supports various shapes and units, offering material cost estimations for construction projects.
This application offers a high-precision calculation engine with a user-friendly interface. It allows for real-time result display as formulas are typed, supports multiple undo actions, and enables easy switching between workspaces. Users can also access persistent history, print calculations via AirPrint, and share history via email.
This comprehensive construction app offers advanced calculation tools for linear, square, and cubic measurements in both imperial and metric units. It includes features for roof pitch, stair lengths, and a memory bank for storing values. Manage projects with detailed lists, store documents and images, and utilize quick job calculators for various construction tasks.
This advanced calculator app offers a powerful math core and algebra engine for basic to complex calculations. It includes features like step-by-step solutions, handwriting recognition, and 2D graphing, making it suitable for students, engineers, and programmers.
This app is a powerful calculator designed for construction and woodworking professionals, as well as students. It simplifies calculations involving feet, inches, and fractions, offering conversions between various measurement units and displaying equations and results simultaneously. Advanced features are available through optional in-app purchases.
This comprehensive calculator app offers a wide range of tools for everyday calculations, from basic arithmetic and scientific functions to unit and currency conversions. It includes specialized calculators for loans, health, fuel costs, GPA, and more, all within a clean and user-friendly interface.
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.
This app offers a comprehensive suite of over 40 calculators and unit converters for various needs, including finance, health, construction, and everyday math. It features standard, scientific, and specialized calculators for tasks like loan amortization, currency conversion, and material estimation.
This app offers a versatile calculator experience with basic, scientific, and advanced modes. It features real-time results, unit conversions, custom functions, and a shareable history. Optimized for various Apple devices, it's designed for ease of use by students, professionals, and scientists.
A straightforward and reliable calculator application designed for iPad and iOS 9. It offers a standard calculation experience with a charming piano sound effect and is optimized for high-resolution screens.
This app calculates precise baluster spacing for handrails, accommodating both flat and sloped surfaces. It provides detailed measurements for installation, including the number of balusters, spacing between them, and marking points. Users can also switch between metric and imperial units for convenience.
This application simplifies staircase construction by accurately calculating essential measurements like riser, going, and stringer lengths. It offers customizable units, riser height, and precision settings for fractions and decimal places.