# CF Kreis 9 vs Iron Meter

CF Kreis 9 and Iron Meter are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | CF Kreis 9 | Iron Meter |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | — |
| Size | 196 MB | 3 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [CFZW GmbH](https://appshunter.io/developer/1473011750) | [Sergii Bugera](https://appshunter.io/developer/1890564267) |

## What reviewers say

### CF Kreis 9

[App page](https://appshunter.io/ios/app/cf-kreis-9/id997087979)

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

**In-app purchases:** none


### Iron Meter

[App page](https://appshunter.io/ios/app/iron-meter/id6761635886)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CF Kreis 9 free?

CF Kreis 9 is free to download, with no in-app purchases.

### Is Iron Meter free?

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

### Do CF Kreis 9 or Iron Meter have ads?

Neither CF Kreis 9 nor Iron Meter shows ads.

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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.*