# KEYC First Alert Weather vs MDSS

The clearest difference is review sentiment: KEYC First Alert Weather at 69% against MDSS's 11%. KEYC First Alert Weather also leads on rating (4.7 vs 2.6) and ratings volume (2.7K vs 20). MDSS's advantage is ads (none vs shown) and update cadence (monthly vs every 2 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

KEYC First Alert Weather holds the better App Store score, 4.7 against 2.6. That said, the two scores are not equally well evidenced: KEYC First Alert Weather has 2.7K ratings behind it against 20, so its average is the more settled of the two. Written reviews point the same way: 69% of KEYC First Alert Weather's written reviews are positive against 11% of MDSS's.

KEYC First Alert Weather ships an update every 2 months, MDSS monthly. The most recent releases landed on October 24, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | KEYC First Alert Weather | MDSS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (2.7K ratings)](https://appshunter.io/ios/app/keyc-first-alert-weather/id406026792/reviews)** | [2.6 (20 ratings)](https://appshunter.io/ios/app/mdss/id663910124/reviews) |
| Number of ratings | **2.7K** | 20 |
| Positive reviews | **69.0% of reviews** | 11.1% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Ad-supported | **Free** |
| Size | 248 MB | 81 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Gray Television Group, Inc.](https://appshunter.io/developer/416888140) | [DTN, LLC](https://appshunter.io/developer/404268542) |

## What reviewers say

### KEYC First Alert Weather

[App page](https://appshunter.io/ios/app/keyc-first-alert-weather/id406026792)

Get hyper-local weather updates with high-resolution radar and future radar. Receive severe weather alerts and customizable forecasts for your favorite locations. Stay informed and safe with real-time weather information.

**Highlights:** 250 meter radar, Future radar, High resolution satellite imagery, Hourly and daily forecasts, Favorite location saving, GPS current location, Severe weather alerts

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Reliable weather coverage
- 🚀 Helpful and accurate weather information
- 💡 Useful features like radar and alerts

**What reviewers complain about**

- 🐛 App bugs and glitches
- 🔋 Battery drain issues
- 📢 Annoying notifications

**Reported bugs**

- Videos not playing
- Radar not always loading properly
- Notifications not working as expected

**Requested features**

- Live weather stream
- Apple Watch app
- Improved weather alerts


### MDSS

[App page](https://appshunter.io/ios/app/mdss/id663910124)

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.

**Highlights:** Route-specific winter maintenance recommendations, Weather and pavement forecasts, FAA/NWS and RWIS observations, Weather maps, Camera images

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

**In-app purchases:** none


## Frequently asked questions

### Is KEYC First Alert Weather free?

KEYC First Alert Weather is free to download, with no in-app purchases.

### Is MDSS free?

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

### Which has better reviews, KEYC First Alert Weather or MDSS?

KEYC First Alert Weather is rated higher. KEYC First Alert Weather averages 4.7 out of 5 from 2.7K ratings, while MDSS averages 2.6 from 20 ratings.

### Do KEYC First Alert Weather or MDSS have ads?

KEYC First Alert Weather shows ads; MDSS does not.

### Which is updated more often, KEYC First Alert Weather or MDSS?

KEYC First Alert Weather ships an update every 2 months, and MDSS monthly. Most recently, KEYC First Alert Weather was updated on October 24, 2026 and MDSS on October 23, 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.*