250+ iOS apps curated and reviewed
Finding the right engineering 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 | 4.5★ (381) | Yes | Yes | Aug 2026 |
| 2 |  | Free | 4.8★ (39K) | No | Yes | Aug 2026 |
| 3 |  | Free | 4.6★ (384) | Yes | Yes | Jul 2026 |
| 4 |  | Free | 4.6★ (36K) | Yes | Yes | Aug 2026 |
| 5 |  | Free | 4.8★ (1.9K) | Yes | No | Aug 2026 |
| 6 |  | Free | 4.8★ (52K) | Yes | Yes | Aug 2026 |
| 7 |  | Free | — | No | Yes | Jun 2026 |
| 8 |  | Free | 4.7★ (12K) | Yes | Yes | Aug 2026 |
This app provides a powerful scientific calculator with step-by-step solutions for equations, advanced functions, and graphing capabilities. It includes a formula library and unit converter, inspired by a popular Casio model, to aid in learning and problem-solving for math and science subjects.
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.
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 app functions as a scientific calculator, enabling users to input and edit complex formulas with ease. It supports formula history, variable memory, and various number system conversions for accurate calculations.
This app offers a modern graphing calculator experience on your iPhone. It features fast, interactive touch-screen graphing, scrollable windows, and intelligent error messages for a more intuitive user experience. Designed to be a usable alternative to physical graphing calculators.
This app is a powerful scientific calculator with graphing capabilities, a formula library, and a unit converter. It offers natural display input, advanced math functions for algebra, calculus, and statistics, and supports various number bases and formats.
This app provides over 200 essential mechanical engineering formulas and calculations in a user-friendly tool. It's designed to simplify complex concepts and speed up problem-solving for students, professionals, and educators.
This application provides a comprehensive suite of 59 engineering calculators across civil, electrical, and mechanical disciplines. It includes formulas and descriptions for each calculator, along with convenient copy and clear functions.
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 app offers a free, powerful alternative to hardware graphing calculators. It supports basic to complex math, including graphing, statistics, and matrix operations, with a built-in user manual for assistance.
This app provides offline calculations for milling and turning operations. It helps users determine parameters like cutting speed, spindle speed, and metal removal rate. All calculations are saved for easy access in the history tab.
This app provides 58 specialized calculators for various bridge and civil engineering parameters. It offers automatic and accurate calculations with support for both metric and imperial units, as well as multiple languages.
