# RIB FM QualityControl vs FZAG

The clearest difference is update cadence: FZAG at fortnightly against RIB FM QualityControl's every 19 months. RIB FM QualityControl's advantage is iOS requirement (11.0 vs 13.0). On price, ads, in-app purchases and device support there is nothing between them.

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

RIB FM QualityControl ships an update every 19 months, FZAG fortnightly. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | RIB FM QualityControl | FZAG |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 19 months | **Fortnightly** |
| Size | 32 MB | 100 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [RIB IMS GmbH](https://appshunter.io/developer/842546644) | [Softwareentwicklung Schittkowski GmbH](https://appshunter.io/developer/1068208943) |

## What reviewers say

### RIB FM QualityControl

[App page](https://appshunter.io/ios/app/rib-fm-qualitycontrol/id1622774812)

**In-app purchases:** none


### FZAG

[App page](https://appshunter.io/ios/app/fzag/id6741758564)

**In-app purchases:** none


## Frequently asked questions

### Is RIB FM QualityControl free?

RIB FM QualityControl is free to download, with no in-app purchases.

### Is FZAG free?

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

### Do RIB FM QualityControl or FZAG have ads?

Neither RIB FM QualityControl nor FZAG shows ads.

### Which is updated more often, RIB FM QualityControl or FZAG?

RIB FM QualityControl ships an update every 19 months, and FZAG fortnightly. Most recently, RIB FM QualityControl was updated on October 30, 2026 and FZAG on October 28, 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.*