MARWIS vs MDSS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MARWIS
Access real-time, location-based road sensor data including friction and water film height. Monitor road conditions directly from your mobile device.
- Display location-based sensor data
- Transmit road condition information
- Monitor friction levels
- Track water film height
- Real-time data updates
Read full descriptionHide full description
MARWIS - MOBILE COLLECTION OF WEATHER DATA IN REAL TIME The app for the mobile road-sensor MARWIS-UMB from G. Lufft Mess- und Regeltechnik GmbH allows you to display and transmit location based sensor data like friction, water film height or the road condition.
MDSS
This app provides mobile access to winter maintenance decision support for transportation agencies. It offers route-specific recommendations, weather and pavement forecasts, and observational data. Access is restricted to preauthorized users.
- Route-specific winter maintenance recommendations
- Weather and pavement forecasts
- FAA/NWS and RWIS observations
- Weather maps
- Camera images
Read full descriptionHide full description
The MDSS app is a mobile application for the Pooled Fund Study Maintenance Decision Support System (MDSS). It is designed to provide mobile access to information that supports transportation winter maintenance decision making, including route-specific winter maintenance recommendations, weather and pavement forecasts, and observational data to include FAA/NWS and RWIS observations, weather maps, and camera images. Account access is required. Organizations can subscribe to the MDSS service through DTN to enable access for their personnel. Contact DTN for subscription information.
Screenshots
Verdict
The clearest difference is rating: MARWIS at 4.7 against MDSS's 2.6. MARWIS also leads on iOS requirement (8.0 vs 16.4). MDSS's advantage is ratings volume (20 vs 3). On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
MARWIS holds the better App Store score, 4.7 against 2.6. That said, the two scores are not equally well evidenced: MDSS has 20 ratings behind it against 3, so its average is the more settled of the two.
MARWIS ships an update every 2 months, MDSS every 6 weeks. The most recent releases landed on October 8, 2026 and October 4, 2026 respectively.
| Parameter | MARWIS | MDSS |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (3 ratings) — better | 2.6 (20 ratings) |
| Positive reviews | — | 11.1% of reviews |
| Number of ratings | 3 | 20 — better |
| Update frequency | Every 2 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 8.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 5 MB | 80 MB |
| Age rating | 4+ | 4+ |
| Developer | Informatik Werkstatt GmbH | DTN, LLC |
Customer experience
MARWIS
MDSS
In-app purchases
MARWIS
No in-app purchases
MDSS
No in-app purchases









