# GSM Socket V3 vs CryoWatch

The clearest difference is iOS requirement: GSM Socket V3 at 8.0 against CryoWatch's 15.0. 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.

GSM Socket V3 ships an update every 16 months, CryoWatch every 28 months. The most recent releases landed on October 6, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | GSM Socket V3 | CryoWatch |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 16 months** | Every 28 months |
| Monetization | Free | — |
| Size | 19 MB | 37 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [先良 谢](https://appshunter.io/developer/1518517860) | [Vladimir Mamisashvili](https://appshunter.io/developer/1743495520) |

## What reviewers say

### 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


### CryoWatch

[App page](https://appshunter.io/ios/app/cryowatch/id6499455055)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is GSM Socket V3 free?

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

### Is CryoWatch free?

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

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

Neither GSM Socket V3 nor CryoWatch shows ads.

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

GSM Socket V3 ships an update every 16 months, and CryoWatch every 28 months. Most recently, GSM Socket V3 was updated on October 6, 2026 and CryoWatch on October 14, 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.*