# Concrete Engineering vs Basics

The clearest difference is in-app purchases: Basics at none against Concrete Engineering's 1. Basics also leads on ads (none vs shown) and iOS requirement (14.0 vs 18.6). On price, update cadence and device support there is nothing between them.

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

Concrete Engineering ships an update every 7 months, Basics every 12 months. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Concrete Engineering | Basics |
| --- | --- | --- |
| 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** | Every 12 months |
| Monetization | Free with in-app purchases | — |
| Size | 8 MB | 23 MB |
| Requires iOS | 18.6 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [V PUGAZHENTHI](https://appshunter.io/developer/491898049) | [Dietschi Print&Design AG](https://appshunter.io/developer/897442507) |

## 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 |


### Basics

[App page](https://appshunter.io/ios/app/basics/id1365386494)

**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 Basics free?

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

### Do Concrete Engineering or Basics have ads?

Concrete Engineering shows ads; Basics does not.

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

Concrete Engineering ships an update every 7 months, and Basics every 12 months. Most recently, Concrete Engineering was updated on October 28, 2026 and Basics on October 25, 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.*