# FM rally APP vs KNAF

The clearest difference is ads: FM rally APP at none against KNAF's shown. FM rally APP also leads on update cadence (every 3 weeks vs every 2 months). KNAF's advantage is iOS requirement (13.4 vs 15.5). On price, 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.

FM rally APP ships an update every 3 weeks, KNAF every 2 months. The most recent releases landed on October 3, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | FM rally APP | KNAF |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Size | 65 MB | 44 MB |
| Requires iOS | 15.5 | **13.4** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Melvin Florissoone](https://appshunter.io/developer/1229597130) | [Stichting Organisatie Nederlands Autocross Kampioenschap (sonak)](https://appshunter.io/developer/1389062579) |

## What reviewers say

### FM rally APP

[App page](https://appshunter.io/ios/app/fm-rally-app/id969040518)

**In-app purchases:** none


### KNAF

[App page](https://appshunter.io/ios/app/knaf/id1389062580)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is FM rally APP free?

FM rally APP is free to download, with no in-app purchases.

### Is KNAF free?

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

### Do FM rally APP or KNAF have ads?

KNAF shows ads; FM rally APP does not.

### Which is updated more often, FM rally APP or KNAF?

FM rally APP ships an update every 3 weeks, and KNAF every 2 months. Most recently, FM rally APP was updated on October 3, 2026 and KNAF on October 26, 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.*