# Thermex vs GSM Socket V3

The clearest difference is iOS requirement: GSM Socket V3 at 8.0 against Thermex's 11.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Thermex ships an update every 20 months, GSM Socket V3 every 16 months. The most recent releases landed on September 14, 2026 and September 4, 2026 respectively.

## The numbers

| Metric | Thermex | GSM Socket V3 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 20 months | **Every 16 months** |
| Monetization | — | Free |
| Size | 172 MB | 19 MB |
| Requires iOS | 11.0 | **8.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [富东 张](https://appshunter.io/developer/1493163073) | [先良 谢](https://appshunter.io/developer/1518517860) |

## What reviewers say

### Thermex

[App page](https://appshunter.io/ios/app/thermex/id1493163074)

**In-app purchases:** none


### GSM Socket V3

[App page](https://appshunter.io/ios/app/gsm-socket-v3/id1606923701)

Control and configure GSM power sockets remotely via SMS commands. This utility app automates SMS content editing and submission for seamless operation of compatible devices.

**Highlights:** SMS command automation, Remote socket configuration, Compatibility with SimPal models, Easy operation interface, Automated SMS content editing

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Thermex free?

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

### Is GSM Socket V3 free?

GSM Socket V3 is free to download, with no in-app purchases.

### Do Thermex or GSM Socket V3 have ads?

Neither Thermex nor GSM Socket V3 shows ads.

### Which is updated more often, Thermex or GSM Socket V3?

Thermex ships an update every 20 months, and GSM Socket V3 every 16 months. Most recently, Thermex was updated on September 14, 2026 and GSM Socket V3 on September 4, 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.*