# Rebar Calc vs Concrete Tools

The clearest difference is in-app purchases: Rebar Calc at none against Concrete Tools's 1. Rebar Calc also leads on ratings volume (643 vs 1). Concrete Tools's advantage is ads (none vs shown). On price, rating, update cadence and device support there is nothing between them.

Both are free to download. Concrete Tools sells 1 one-off in-app purchase. Rebar Calc asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.9 for Rebar Calc against 5.0 for Concrete Tools. That said, the two scores are not equally well evidenced: Rebar Calc has 643 ratings behind it against 1, so its average is the more settled of the two.

Rebar Calc ships an update every 2 months, Concrete Tools every 3 months. The most recent releases landed on November 6, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Rebar Calc | Concrete Tools |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (643 ratings)](https://appshunter.io/ios/app/rebar-calc/id1134344254/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/concrete-tools/id6757288561/reviews)** |
| Number of ratings | **643** | 1 |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 13 MB | 4 MB |
| Requires iOS | 18.0 | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Appco LLC (USA)](https://appshunter.io/developer/1027562416) | [Sergii Nesterenko](https://appshunter.io/developer/1686841405) |

## What reviewers say

### Rebar Calc

[App page](https://appshunter.io/ios/app/rebar-calc/id1134344254)

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.

**Highlights:** Rebar tonnage calculation, Sheet and roll mesh estimation, Concrete volume estimator, Material quote generation, Adjustable lap amount, Configurable rebar/mesh size

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Concrete Tools

[App page](https://appshunter.io/ios/app/concrete-tools/id6757288561)

This app provides quick jobsite calculations for concrete contractors, estimators, and field crews. It helps determine concrete volume, rebar needs, block quantities, and material costs with simple inputs for fast, accurate estimates.

**Highlights:** Concrete volume calculators, Rebar weight and layout tools, Block wall and material takeoffs, Ready-mix and bag concrete calculations, Waste and cost estimations, Metric and imperial support

**Features:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Upgrade | $12.99 | one-time |


## Frequently asked questions

### Is Rebar Calc free?

Rebar Calc is free to download, with no in-app purchases.

### Is Concrete Tools free?

Concrete Tools is free to download, with in-app purchases available.

### Which has better reviews, Rebar Calc or Concrete Tools?

Concrete Tools is rated higher. Rebar Calc averages 4.9 out of 5 from 643 ratings, while Concrete Tools averages 5.0 from 1 ratings.

### Do Rebar Calc or Concrete Tools have ads?

Rebar Calc shows ads; Concrete Tools does not.

### Which is updated more often, Rebar Calc or Concrete Tools?

Rebar Calc ships an update every 2 months, and Concrete Tools every 3 months. Most recently, Rebar Calc was updated on November 6, 2026 and Concrete Tools on October 31, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*