# Concrete Calculator · vs AION Design

The clearest difference is in-app purchases: Concrete Calculator · at none against AION Design's 2. Concrete Calculator · also leads on ads (none vs shown) and iOS requirement (15.0 vs 17.6). On price and device support there is nothing between them.

Both are free to download. AION Design sells 2 one-off in-app purchases. Concrete Calculator · asks for nothing beyond the download.

## The numbers

| Metric | Concrete Calculator · | AION Design |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 2 weeks |
| Size | 6 MB | 165 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | +4 | 4+ |
| Developer | [TURKER KIZILCIK](https://appshunter.io/developer/1719355538) | [LED TECHNO FUSION SRL](https://appshunter.io/developer/1818591341) |

## What reviewers say

### Concrete Calculator ·

[App page](https://appshunter.io/ios/app/concrete-calculator/id6737987351)

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

**In-app purchases:** none


### AION Design

[App page](https://appshunter.io/ios/app/aion-design/id6746806895)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100 AI Credits pack | $1.49 | one-time |
| Premium (1 Month) | $3.99 | one-time |


## Frequently asked questions

### Is Concrete Calculator · free?

Concrete Calculator · is free to download, with no in-app purchases.

### Is AION Design free?

AION Design is free to download, with in-app purchases available.

### Do Concrete Calculator · or AION Design have ads?

AION Design shows ads; Concrete Calculator · 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.*