This app simplifies concrete and rebar calculations for construction projects. It helps estimate rebar tonnage, mesh quantities, and concrete volume, and can even provide quotes for materials.






216+ iOS apps curated and reviewed
If you already know Rebar Calc, this is the deeper bench. 216+ rebar grid calculator apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of May 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 | Free | 4.9★ (579) | Yes | No | Jul 2026 | |
| 2 | $1.99 | 4.7★ (13) | No | No | Jun 2026 | |
| 3 | Free was $39.99 | 4.9★ (526) | No | Yes | Jul 2026 | |
| 4 | Free | 4.8★ (21K) | Yes | No | Jul 2026 | |
| 5 | $4.99 | — | No | No | May 2026 | |
| 6 | Free | 4.9★ (404K) | Yes | No | Jul 2026 | |
| 7 | Free | 4.7★ (60K) | No | No | Jul 2026 | |
| 8 | Free | 4.6★ (384) | Yes | Yes | Jul 2026 |






This app simplifies concrete and rebar calculations for construction projects. It helps estimate rebar tonnage, mesh quantities, and concrete volume, and can even provide quotes for materials.





Quickly calculate the number of rebars needed for concrete slab reinforcement. Input slab dimensions and rebar spacing for accurate grid layout. Supports both imperial and metric units, with results easily shareable via text or email.






Instantly calculate concrete volumes for various construction elements like slabs, footings, and walls. This app also estimates rebar, formwork, and batch requirements, supporting multiple measurement units and conversions for efficient project planning.


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 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 offers both basic and scientific calculation modes with over 30 scientific operations. It allows for customization of the app's appearance and includes features for note-taking, drawing, and viewing calculation history. It supports high accuracy calculations and nested parentheses.


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.


Calculate precise amounts of concrete, aggregate, and masonry materials needed for various construction projects. Accounts for potential waste and overages to ensure you order the right quantity.


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.


Easily calculate concrete quantities for various projects like flatwork, footings, and walls. If within the service area, connect live with customer service for quotes and orders.




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 app provides nine specialized calculators to accurately estimate masonry materials for various construction projects. It helps calculate blocks, bricks, mortar, concrete, and gravel needed for walls and other structures, supporting multiple units of measurement.


This app provides essential tools for contractors, builders, and DIYers to perform fast, accurate construction calculations on the job site. It streamlines planning, estimating, and material measurement for various building tasks, reducing errors and saving costs.


This app offers both basic and advanced scientific calculations with an intuitive interface designed for tablets and phones. It includes features like currency conversion, calculation history, and the ability to share results. An optional premium membership removes ads and provides enhanced support.


Design and calculate fabric needs for your quilts with precision. This tool helps plan patterns, block layouts, borders, and sashing, ensuring accurate measurements for backing and binding. Save time and money on your quilting projects.


This app offers a scientific calculator with Reverse Polish Notation (RPN) functionality, providing an alternative to the default calculator. It features a large, easy-to-read display, a 100-entry stack, and extensive undo/redo capabilities. Its design is inspired by classic HP calculators.


This app offers a free basic and scientific calculator with an intuitive interface. It supports fractions, percentages, and advanced editing. Optional upgrades provide specialized calculators for fractions with units, polynomial and linear equation solving, graphing, and geometric shapes.


A powerful calculator designed for professionals and students, offering advanced features like RPN mode, multi-line display, and extensive unit conversions. It supports various number systems and includes an Apple Watch app for on-the-go calculations.