MDSS vs WDAY StormTRACKER
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
WDAY StormTRACKER
Get hyper-local weather information with high-resolution radar and future tracking. Receive current conditions, hourly and daily forecasts, and severe weather alerts directly from the National Weather Service. Save favorite locations and utilize GPS for real-time awareness.
- 250 meter radar
- Future radar tracking
- High-resolution satellite imagery
- Current weather updates
- Hourly and daily forecasts
- Save favorite locations
- Severe weather alerts
Read full descriptionHide full description
The WDAY Mobile Weather App includes: • Access to station content specifically for our mobile users • 250 meter radar, the highest resolution available • Future radar to see where severe weather is headed • High resolution satellite cloud imagery • Current weather updated multiple times per hour • Daily and Hourly forecasts updated hourly from our computer models • Ability to add and save your favorite locations • A fully integrated GPS for current location awareness • Severe weather alerts from the National Weather Service • Opt-in push alerts to keep you safe in severe weather
Screenshots
Verdict
The clearest difference is rating: WDAY StormTRACKER at 4.7 against MDSS's 2.6. WDAY StormTRACKER also leads on review sentiment (52% vs 11%) and ratings volume (7.3K vs 20). 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.
WDAY StormTRACKER holds the better App Store score, 4.7 against 2.6. That said, the two scores are not equally well evidenced: WDAY StormTRACKER has 7.3K ratings behind it against 20, so its average is the more settled of the two. Written reviews point the same way: 11% of MDSS's written reviews are positive against 52% of WDAY StormTRACKER's.
Both ship on a similar rhythm, roughly every 6 weeks. The most recent releases landed on October 4, 2026 and October 14, 2026 respectively.
| Parameter | MDSS | WDAY StormTRACKER |
|---|---|---|
| Price | Free | Free |
| Rating | 2.6 (20 ratings) | 4.7 (7.3K ratings) — better |
| Positive reviews | 11.1% of reviews | 51.9% of reviews — better |
| Number of ratings | 20 | 7.3K — better |
| Update frequency | Every 6 weeks | Every 6 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.4 | 15.0 — better |
| Further details — not scored | ||
| Size | 80 MB | 252 MB |
| Age rating | 4+ | 4+ |
| Developer | DTN, LLC | Forum Communications Company |
Customer experience
MDSS
WDAY StormTRACKER
Bugs and requests
MDSS
Not enough reviews yet to summarise bugs or requests.
WDAY StormTRACKER
Reported bugs
3 issues- Radar not working properly
- Temperatures displayed incorrectly
- App crashing and freezing
Requested features
2 requests- Landscape mode for iPad
- Ability to customize notifications
In-app purchases
MDSS
No in-app purchases
WDAY StormTRACKER
No in-app purchases
