# concrete calculators vs STRUCT Construction Calculator

The clearest difference is update cadence: concrete calculators at every 2 weeks against STRUCT Construction Calculator's every 4 months. STRUCT Construction Calculator's advantage is iOS requirement (13.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

concrete calculators ships an update every 2 weeks, STRUCT Construction Calculator every 4 months. The most recent releases landed on October 7, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | concrete calculators | STRUCT Construction Calculator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 4 months |
| Size | 46 MB | 16 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Dainik Patel](https://appshunter.io/developer/1607530889) | [MOBILEXAPPS MB](https://appshunter.io/developer/1685170475) |

## What reviewers say

### concrete calculators

[App page](https://appshunter.io/ios/app/concrete-calculators/id6505093049)

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

**In-app purchases:** none


### STRUCT Construction Calculator

[App page](https://appshunter.io/ios/app/struct-construction-calculator/id6758335610)

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

**In-app purchases:** none


## Frequently asked questions

### Is concrete calculators free?

concrete calculators is free to download, with no in-app purchases.

### Is STRUCT Construction Calculator free?

STRUCT Construction Calculator is free to download, with no in-app purchases.

### Do concrete calculators or STRUCT Construction Calculator have ads?

Neither concrete calculators nor STRUCT Construction Calculator shows ads.

### Which is updated more often, concrete calculators or STRUCT Construction Calculator?

concrete calculators ships an update every 2 weeks, and STRUCT Construction Calculator every 4 months. Most recently, concrete calculators was updated on October 7, 2026 and STRUCT Construction Calculator on October 11, 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.*