# Snowtam vs HemsWX

The clearest difference is price: HemsWX at Free against Snowtam's $3.99. HemsWX also leads on rating (4.0 vs 1.8) and update cadence (every 3 weeks vs every 7 months). Snowtam's advantage is chart position (#112 vs unranked) and ratings volume (5 vs 1). On ads, in-app purchases and device support there is nothing between them.

HemsWX is free to download; Snowtam costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

HemsWX holds the better App Store score, 4.0 against 1.8. That said, the two scores are not equally well evidenced: Snowtam has 5 ratings behind it against 1, so its average is the more settled of the two.

Snowtam ships an update every 7 months, HemsWX every 3 weeks. Both last shipped on November 6, 2026.

## The numbers

| Metric | Snowtam | HemsWX |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | [1.8 (5 ratings)](https://appshunter.io/ios/app/snowtam/id322814201/reviews) | **[4.0 (1 ratings)](https://appshunter.io/ios/app/hemswx/id1131518918/reviews)** |
| Number of ratings | **5** | 1 |
| Positive reviews | 43.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 weeks** |
| Monetization | Paid | **Free** |
| Best chart rank | **#112** | — |
| Size | 3 MB | 145 MB |
| Requires iOS | **6.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Brendan Wholihan](https://appshunter.io/developer/322811732) | [Stiftelsen Norsk Luftambulanse](https://appshunter.io/developer/363739751) |

## What reviewers say

### Snowtam

[App page](https://appshunter.io/ios/app/snowtam/id322814201)

**Currently charting:** #112 Top Paid · Weather (US App Store)

This app assists pilots in cold weather by decoding SNOWTAM and MOTNE reports. It also offers a tool to calculate cold temperature altitude adjustments based on Transport Canada's charts.

**Highlights:** SNOWTAM decoder, MOTNE decoder, Cold temperature correction tool, ICAO airport code database, Runway condition code decoding, Altitude adjustment calculations

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

**In-app purchases:** none


### HemsWX

[App page](https://appshunter.io/ios/app/hemswx/id1131518918)

This weather system provides pilots with access to weather cameras, forecasts, and local measurements for mission planning. It is intended for use by partner organizations like emergency services and the military, with access granted through specific management channels.

**Highlights:** Access to weather cameras, Weather forecasts from met.no, Local pressure and temperature measurements, Mission planning tools for pilots, Partner access for emergency services

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

**In-app purchases:** none


## Frequently asked questions

### Is Snowtam free?

Snowtam costs $3.99, with no in-app purchases.

### Is HemsWX free?

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

### Which has better reviews, Snowtam or HemsWX?

HemsWX is rated higher. Snowtam averages 1.8 out of 5 from 5 ratings, while HemsWX averages 4.0 from 1 ratings.

### Do Snowtam or HemsWX have ads?

Neither Snowtam nor HemsWX shows ads.

### Which is updated more often, Snowtam or HemsWX?

Snowtam ships an update every 7 months, and HemsWX every 3 weeks. Most recently, Snowtam was updated on November 6, 2026 and HemsWX on November 6, 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.*