# Concrete Engineering vs Phase Calc

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

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

## The numbers

| Metric | Concrete Engineering | Phase Calc |
| --- | --- | --- |
| 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 | — |
| Monetization | Free with in-app purchases | — |
| Size | 8 MB | 13 MB |
| Requires iOS | 18.6 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [V PUGAZHENTHI](https://appshunter.io/developer/491898049) | [Donnie Herman](https://appshunter.io/developer/837266303) |

## 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 |


### Phase Calc

[App page](https://appshunter.io/ios/app/phase-calc-lite/id6760266074)

**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 Phase Calc free?

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

### Do Concrete Engineering or Phase Calc have ads?

Concrete Engineering shows ads; Phase Calc does not.

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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.*