# MDSS vs BAM Weather

The clearest difference is review sentiment: BAM Weather at 56% against MDSS's 11%. BAM Weather also leads on rating (4.5 vs 2.6) and update cadence (every 2 weeks vs monthly). On price, ads, in-app purchases and monetization model there is nothing between them.

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

BAM Weather holds the better App Store score, 4.5 against 2.6. That said, the two scores are not equally well evidenced: BAM Weather has 102 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 56% of BAM Weather's.

MDSS ships an update monthly, BAM Weather every 2 weeks. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | MDSS | BAM Weather |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.6 (20 ratings)](https://appshunter.io/ios/app/mdss/id663910124/reviews) | **[4.5 (102 ratings)](https://appshunter.io/ios/app/bam-weather/id6446802686/reviews)** |
| Number of ratings | 20 | **102** |
| Positive reviews | 11.1% of reviews | **56.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 81 MB | 42 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [DTN, LLC](https://appshunter.io/developer/404268542) | [BAMWX LLC](https://appshunter.io/developer/731917799) |

## What reviewers say

### 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


### BAM Weather

[App page](https://appshunter.io/ios/app/bam-weather/id6446802686)

Get critical weather insights and forecasts directly from meteorologists. This app offers detailed hourly and daily commentary, 24/7 chat with experts, and actionable forecast information to help you make smart decisions.

**Highlights:** Forecast insights from meteorologists, 24/7 chat with meteorologists, Actionable forecast information, High-resolution radar with interactive tools, Location-specific hourly and 10-day forecasts, Agriculture and road condition forecasts, Long-range outlooks and video updates

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

**In-app purchases:** none


## Frequently asked questions

### Is MDSS free?

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

### Is BAM Weather free?

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

### Which has better reviews, MDSS or BAM Weather?

BAM Weather is rated higher. MDSS averages 2.6 out of 5 from 20 ratings, while BAM Weather averages 4.5 from 102 ratings.

### Do MDSS or BAM Weather have ads?

Neither MDSS nor BAM Weather shows ads.

### Which is updated more often, MDSS or BAM Weather?

MDSS ships an update monthly, and BAM Weather every 2 weeks. Most recently, MDSS was updated on October 26, 2026 and BAM Weather 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.*