# SGUDA vs RETHLock

The clearest difference is iOS requirement: RETHLock at 13.0 against SGUDA's 15.6. 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.

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on September 20, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | SGUDA | RETHLock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | Fortnightly |
| Size | 158 MB | 59 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sguda inc](https://appshunter.io/developer/1506857275) | [UEIHAUR ENTERPRISE CO.,LTD](https://appshunter.io/developer/1692135449) |

## What reviewers say

### SGUDA

[App page](https://appshunter.io/ios/app/sguda/id1506857276)

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none


### RETHLock

[App page](https://appshunter.io/ios/app/rethlock/id6450167757)

**In-app purchases:** none


## Frequently asked questions

### Is SGUDA free?

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

### Is RETHLock free?

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

### Do SGUDA or RETHLock have ads?

Neither SGUDA nor RETHLock shows ads.

### Which is updated more often, SGUDA or RETHLock?

SGUDA ships an update fortnightly, and RETHLock fortnightly. Most recently, SGUDA was updated on September 20, 2026 and RETHLock on September 22, 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.*