# Concrete Engineering vs CombinedFooting

The clearest difference is price: Concrete Engineering at Free against CombinedFooting's $14.99. CombinedFooting's advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support there is nothing between them.

Concrete Engineering is free to download; CombinedFooting costs $14.99 up front. Concrete Engineering sells 1 one-off in-app purchase. CombinedFooting asks for nothing beyond the download.

Concrete Engineering ships an update every 7 months, CombinedFooting every 3 weeks. The most recent releases landed on October 13, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Concrete Engineering | CombinedFooting |
| --- | --- | --- |
| Price | **Free** | $14.99 |
| Rating | **[4.7 (7 ratings)](https://appshunter.io/ios/app/concrete-engineering-lite/id1132557710/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 7 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Best chart rank | — | **#132** |
| Size | 8 MB | 3 MB |
| Requires iOS | 18.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [V PUGAZHENTHI](https://appshunter.io/developer/491898049) | [Rab Elias](https://appshunter.io/developer/918944482) |

## What reviewers say

### Concrete Engineering

[App page](https://appshunter.io/ios/app/concrete-engineering-lite/id1132557710)

This app provides a comprehensive suite of calculators for concrete and civil engineering parameters. It features smart auto-fill options, a detailed calculation history with PDF export, and direct references to ACI codes. Unlock all 56 calculators with a one-time purchase.

**Highlights:** 56 concrete and civil engineering calculators, Metric and Imperial unit support, Detailed formulas for all calculations, Smart auto-fill pickers, Calculation history with PDF export, ACI 318-19 code references

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Concrete Engineering Calc. | $3.99 | one-time |


### CombinedFooting

[App page](https://appshunter.io/ios/app/combinedfooting/id6563146478)

**Currently charting:** #132 Top Paid · Education (US App Store)

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

**In-app purchases:** none


## Frequently asked questions

### Is Concrete Engineering free?

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

### Is CombinedFooting free?

CombinedFooting costs $14.99, with no in-app purchases.

### Do Concrete Engineering or CombinedFooting have ads?

Concrete Engineering shows ads; CombinedFooting does not.

### Which is updated more often, Concrete Engineering or CombinedFooting?

Concrete Engineering ships an update every 7 months, and CombinedFooting every 3 weeks. Most recently, Concrete Engineering was updated on October 13, 2026 and CombinedFooting on October 12, 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.*