# MARWIS vs Safe Sky

The clearest difference is iOS requirement: MARWIS at 8.0 against Safe Sky's 15.6. On price, update cadence, ads and in-app purchases there is nothing between them.

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

MARWIS ships an update every 2 months, Safe Sky every 6 weeks. The most recent releases landed on October 23, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | MARWIS | Safe Sky |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (3 ratings)](https://appshunter.io/ios/app/marwis/id570657194/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Free | — |
| Size | 5 MB | 62 MB |
| Requires iOS | **8.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Informatik Werkstatt GmbH](https://appshunter.io/developer/570657197) | [Safe Sky Industries, Inc.](https://appshunter.io/developer/1459357550) |

## What reviewers say

### MARWIS

[App page](https://appshunter.io/ios/app/marwis/id570657194)

Access real-time, location-based road sensor data including friction and water film height. Monitor road conditions directly from your mobile device.

**Highlights:** Display location-based sensor data, Transmit road condition information, Monitor friction levels, Track water film height, Real-time data updates

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

**In-app purchases:** none


### Safe Sky

[App page](https://appshunter.io/ios/app/safe-sky-airside-sync/id1459357551)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is MARWIS free?

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

### Is Safe Sky free?

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

### Do MARWIS or Safe Sky have ads?

Neither MARWIS nor Safe Sky shows ads.

### Which is updated more often, MARWIS or Safe Sky?

MARWIS ships an update every 2 months, and Safe Sky every 6 weeks. Most recently, MARWIS was updated on October 23, 2026 and Safe Sky on October 25, 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.*