# luftline vs KM44

The clearest difference is update cadence: KM44 at every 3 months against luftline's every 105 months. luftline's advantage is iOS requirement (17.0 vs 26.6). 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.

luftline ships an update every 105 months, KM44 every 3 months. The most recent releases landed on October 27, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | luftline | KM44 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 105 months | **Every 3 months** |
| Monetization | — | Free |
| Size | 2 MB | 10 MB |
| Requires iOS | **17.0** | 26.6 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Rachid El Khayari](https://appshunter.io/developer/363786274) | [Jan Fiegert](https://appshunter.io/developer/1512019825) |

## What reviewers say

### luftline

[App page](https://appshunter.io/ios/app/luftline/id1230196143)

**In-app purchases:** none


### KM44

[App page](https://appshunter.io/ios/app/km44/id1512019826)

This app helps determine your position on federal waterways using GPS. It's useful when waterway markers are obscured, out of sight, or missing, allowing you to identify your location on the river.

**Highlights:** GPS-based position determination, Identifies waterway kilometer markers, Useful when markers are obscured, Works on federal waterways, Assists in navigation

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is luftline free?

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

### Is KM44 free?

KM44 is free to download, with no in-app purchases.

### Do luftline or KM44 have ads?

Neither luftline nor KM44 shows ads.

### Which is updated more often, luftline or KM44?

luftline ships an update every 105 months, and KM44 every 3 months. Most recently, luftline was updated on October 27, 2026 and KM44 on November 3, 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.*