# Concrete Engineering vs Concreto Armado

The clearest difference is in-app purchases: Concreto Armado at none against Concrete Engineering's 1. Concreto Armado also leads on ads (none vs shown) and update cadence (monthly vs every 7 months). On price and device support there is nothing between them.

Both are free to download. Concrete Engineering sells 1 one-off in-app purchase. Concreto Armado asks for nothing beyond the download.

Concrete Engineering ships an update every 7 months, Concreto Armado monthly. The most recent releases landed on September 18, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Concrete Engineering | Concreto Armado |
| --- | --- | --- |
| Price | Free | Free |
| 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 | **Monthly** |
| Monetization | Free with in-app purchases | — |
| Size | 8 MB | 8 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) | [Juan Javier Baba Toyofuko](https://appshunter.io/developer/1704391092) |

## 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 |


### Concreto Armado

[App page](https://appshunter.io/ios/app/concreto-armado/id6470068117)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Concrete Engineering free?

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

### Is Concreto Armado free?

Concreto Armado is free to download, with no in-app purchases.

### Do Concrete Engineering or Concreto Armado have ads?

Concrete Engineering shows ads; Concreto Armado does not.

### Which is updated more often, Concrete Engineering or Concreto Armado?

Concrete Engineering ships an update every 7 months, and Concreto Armado monthly. Most recently, Concrete Engineering was updated on September 18, 2026 and Concreto Armado on September 9, 2026.

---

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