# SOREX SmartLock vs GU Smart

The clearest difference is update cadence: SOREX SmartLock at every 3 months against GU Smart's every 9 months. 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.

SOREX SmartLock ships an update every 3 months, GU Smart every 9 months. The most recent releases landed on September 16, 2026 and December 7, 2025 respectively.

## The numbers

| Metric | SOREX SmartLock | GU Smart |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 9 months |
| Size | 362 MB | 193 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SOREX wireless Solutions GmbH](https://appshunter.io/developer/417725782) | [GU(Shanghai) Security Co., Ltd](https://appshunter.io/developer/1767363276) |

## What reviewers say

### SOREX SmartLock

[App page](https://appshunter.io/ios/app/sorex-smartlock/id1573731730)

**Features:** macOS Compatibility

**In-app purchases:** none


### GU Smart

[App page](https://appshunter.io/ios/app/gu-smart/id6670753385)

**In-app purchases:** none


## Frequently asked questions

### Is SOREX SmartLock free?

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

### Is GU Smart free?

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

### Do SOREX SmartLock or GU Smart have ads?

Neither SOREX SmartLock nor GU Smart shows ads.

### Which is updated more often, SOREX SmartLock or GU Smart?

SOREX SmartLock ships an update every 3 months, and GU Smart every 9 months. Most recently, SOREX SmartLock was updated on September 16, 2026 and GU Smart on December 7, 2025.

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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.*