# Concrete Engineering vs Mechanical Formula

The clearest difference is ads: Mechanical Formula at none against Concrete Engineering's shown. Mechanical Formula also leads on ratings volume (34 vs 7) and iOS requirement (13.0 vs 18.6). On price, rating, update cadence and in-app purchases there is nothing between them.

Both are free to download. Concrete Engineering sells 1 one-off in-app purchase and Mechanical Formula sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.7 for Concrete Engineering against 4.7 for Mechanical Formula. Both are backed by a comparable volume of ratings — 7 and 34 respectively.

Concrete Engineering ships an update every 7 months, Mechanical Formula every 4 months. The most recent releases landed on September 18, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Concrete Engineering | Mechanical Formula |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (7 ratings)](https://appshunter.io/ios/app/concrete-engineering-lite/id1132557710/reviews) | [4.7 (34 ratings)](https://appshunter.io/ios/app/mechanical-formula/id1668948373/reviews) |
| Number of ratings | 7 | **34** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 7 months | **Every 4 months** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 8 MB | 42 MB |
| Requires iOS | 18.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [V PUGAZHENTHI](https://appshunter.io/developer/491898049) | [Kantaben Gorasiya](https://appshunter.io/developer/1640260396) |

## 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 |


### Mechanical Formula

[App page](https://appshunter.io/ios/app/mechanical-formula/id1668948373)

This app provides over 200 essential mechanical engineering formulas and calculations in a user-friendly tool. It's designed to simplify complex concepts and speed up problem-solving for students, professionals, and educators.

**Highlights:** 200+ mechanical engineering formulas, Instant calculations, Intuitive interface, Real-world application explanations, Exam preparation aid, Lifetime Premium option

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime | $9.99 | one-time |


## Frequently asked questions

### Is Concrete Engineering free?

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

### Is Mechanical Formula free?

Mechanical Formula is free to download, with in-app purchases available.

### Which has better reviews, Concrete Engineering or Mechanical Formula?

Concrete Engineering and Mechanical Formula are both rated 4.7 out of 5 on the App Store, from 7 and 34 ratings respectively.

### Do Concrete Engineering or Mechanical Formula have ads?

Concrete Engineering shows ads; Mechanical Formula does not.

### Which is updated more often, Concrete Engineering or Mechanical Formula?

Concrete Engineering ships an update every 7 months, and Mechanical Formula every 4 months. Most recently, Concrete Engineering was updated on September 18, 2026 and Mechanical Formula on September 19, 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.*