Best Rebar Calc Apps

250+ iOS apps curated and reviewed

3.4 avg rating
13 free apps
Updated November 2026

With an average user rating of 3.4★, the rebar calc category is one of the App Store's strongest. Browse all 250+ apps we track, sorted so the most loved ones surface first.

Compare top Rebar Calc Apps (November 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Rebar CalcRebar CalcFree4.9★ (643)YesNoNov 2026
2Concrete Calculator PlusConcrete Calculator PlusFree4.8★ (26K)YesNoNov 2026
3Rebar Grid CalculatorRebar Grid Calculator$1.994.7★ (13)NoNoOct 2026
4Rebar Grid Calculator ProRebar Grid Calculator Pro$4.99—NoNoMay 2026
5Rebar Weight & Bar CalculatorRebar Weight & Bar CalculatorFree—NoYesNov 2026
6Rebar Splice Length CalcRebar Splice Length Calc$4.99—NoNoJul 2026
7CRSI Rebar ReferenceCRSI Rebar ReferenceFree3.3★ (16)NoYesOct 2026
8CSiRebarCSiRebarFree5.0★ (1)NoNoMay 2026

Top Picks for Rebar Calc

Rebar Calc#1

Rebar Calc by Appco LLC (USA)

concrete calcs made easy
Editor's Choice
🔧 Utilities
4.9(643 ratings)
FreeAds
Rebar Calc screenshot 1
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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.

Concrete Calculator Plus#2

Concrete Calculator Plus by Calc Hub, LLC

by Inch Calculator
Strong Contender
🔧 Utilities
4.8😊(26K ratings)
FreeAds
Concrete Calculator Plus screenshot 1
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Concrete Calculator Plus screenshot 5
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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.

What We Love

  • 🚀 Easy to use
  • 🚀 Accurate calculations
  • 🚀 Convenient for on-the-go use
  • 🚀 Helpful for various projects
  • 👍 Straightforward and simple
  • 👍 Saves time and effort
  • 👍 Reliable and consistent

Room to Improve

  • 🔍 Limited features (no cost calculation, no 50 lb bag option)
  • 📱 Issues with display on some devices
Rebar Grid Calculator#3

Rebar Grid Calculator by H3Apps LLC

Number and Spacing of Rebar
Worth Considering
💼 Business
4.7(13 ratings)
$1.99
Rebar Grid Calculator screenshot 1
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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.

More Rebar Calc apps to explore

FAQ about Rebar Calc

What are the best rebar calc apps for iPhone?
Rebar Calc tops our rebar calc apps ranking as of November 2026, with a 4.9-star average from 643 App Store ratings, and it's free to download.
Yes — 13 of the top rebar calc apps we rank are free to download, including Rebar Calc and Concrete Calculator Plus.
Rebar Calc shows ads and has no in-app purchases, according to its App Store listing as of November 2026.
We track 250+ rebar calc apps on the iOS App Store as of November 2026, ranked by rating, recency, and analysis of real user reviews.

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