# BMK THunter vs SOS Mountain

The clearest difference is update cadence: SOS Mountain at every 2 weeks against BMK THunter's monthly. On price, ads, in-app purchases and device support there is nothing between them.

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

BMK THunter ships an update monthly, SOS Mountain every 2 weeks. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | BMK THunter | SOS Mountain |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/bmk-thunter/id6475635366/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 26 MB | 38 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Melih Karakelle](https://appshunter.io/developer/737311914) | [TaTonDef](https://appshunter.io/developer/1798055083) |

## What reviewers say

### BMK THunter

[App page](https://appshunter.io/ios/app/bmk-thunter/id6475635366)

Visualize real-time air temperature data from a connected device to identify optimal conditions for launching model airplanes and gliders. Enhance your flying experience with precise environmental insights.

**Highlights:** Real-time temperature monitoring, Optimal launch timing detection, Wind speed and air pressure display (with optional sensor), Bluetooth 4.0 connectivity, Seamless device integration

**Features:** macOS Compatibility

**In-app purchases:** none


### SOS Mountain

[App page](https://appshunter.io/ios/app/sos-mountain/id6751597688)

**In-app purchases:** none


## Frequently asked questions

### Is BMK THunter free?

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

### Is SOS Mountain free?

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

### Do BMK THunter or SOS Mountain have ads?

Neither BMK THunter nor SOS Mountain shows ads.

### Which is updated more often, BMK THunter or SOS Mountain?

BMK THunter ships an update monthly, and SOS Mountain every 2 weeks. Most recently, BMK THunter was updated on October 24, 2026 and SOS Mountain on October 28, 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.*