# Construction Calculator A1 vs Concrete Estimator

The clearest difference is ads: Concrete Estimator at none against Construction Calculator A1's shown. Construction Calculator A1's advantage is device support (4 vs 2) and iOS requirement (15.0 vs 17.0). On price, update cadence and in-app purchases there is nothing between them.

Both are free to download. Construction Calculator A1 sells 6 in-app purchases, starting at $2.99 per month and Concrete Estimator sells 2 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Construction Calculator A1 ships an update every 4 weeks, Concrete Estimator every 6 weeks. The most recent releases landed on November 11, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Construction Calculator A1 | Concrete Estimator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (29 ratings)](https://appshunter.io/ios/app/construction-calculator-a1/id1589484051/reviews)** | — |
| Number of ratings | **29** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 4 weeks** | Every 6 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 182 MB | 7 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Binary And Bricks Pvt Ltd](https://appshunter.io/developer/1587170688) | [Manh Nguyen](https://appshunter.io/developer/1864580525) |

## What reviewers say

### Construction Calculator A1

[App page](https://appshunter.io/ios/app/construction-calculator-a1/id1589484051)

This comprehensive civil engineering toolkit offers over 500 calculators for contractors, builders, and engineers. It provides instant material quantities, rebar calculations, unit conversions, and features for creating Bills of Quantities with automatic drawings and material price libraries. The app also includes educational resources and project management tools.

**Highlights:** 500+ construction calculators, Concrete, rebar, and steel calculations, Feet-inches calculator, Bill of Quantities (BOQ) generation, Automatic drawings and sketches, Material price library, Unit converter, Project organization and cloud sync

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro access monthly subscription | $2.99 | per month |
| Pro access yearly subscription | $24.99 | per year |
| 100 AI Credits | $0.99 | one-time |
| 500 AI credits | $3.99 | one-time |
| 500 AI credits | $9.99 | one-time |
| Lifetime Access | $39.99 | one-time |


### Concrete Estimator

[App page](https://appshunter.io/ios/app/concrete-estimator-pro-tools/id6796932861)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Pro | $1.99 | per 7 days |
| Lifetime Pro | $19.99 | one-time |


## Frequently asked questions

### Is Construction Calculator A1 free?

Construction Calculator A1 is free to download, with in-app purchases available.

### Is Concrete Estimator free?

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

### Do Construction Calculator A1 or Concrete Estimator have ads?

Construction Calculator A1 shows ads; Concrete Estimator does not.

### Which is updated more often, Construction Calculator A1 or Concrete Estimator?

Construction Calculator A1 ships an update every 4 weeks, and Concrete Estimator every 6 weeks. Most recently, Construction Calculator A1 was updated on November 11, 2026 and Concrete Estimator 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.*