# Concrete Calculator · vs dBm Convert

The clearest difference is price: Concrete Calculator · at Free against dBm Convert's $1.99. Concrete Calculator · also leads on iOS requirement (15.0 vs 18.2). On ads, in-app purchases and device support there is nothing between them.

Concrete Calculator · is free to download; dBm Convert costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Concrete Calculator · | dBm Convert |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 9 months |
| Size | 6 MB | 1 MB |
| Requires iOS | **15.0** | 18.2 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | +4 | 4+ |
| Developer | [TURKER KIZILCIK](https://appshunter.io/developer/1719355538) | [Open Technologies](https://appshunter.io/developer/1687898269) |

## 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


### dBm Convert

[App page](https://appshunter.io/ios/app/dbm-convert/id6742805614)

**In-app purchases:** none


## Frequently asked questions

### Is Concrete Calculator · free?

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

### Is dBm Convert free?

dBm Convert costs $1.99, with no in-app purchases.

### Do Concrete Calculator · or dBm Convert have ads?

Neither Concrete Calculator · nor dBm Convert shows ads.

---

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