# LDLock vs 酒店工程版

The clearest difference is update cadence: 酒店工程版 at every 2 months against LDLock's every 32 months. LDLock's advantage is iOS requirement (9.0 vs 12.0). 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.

LDLock ships an update every 32 months, 酒店工程版 every 2 months. The most recent releases landed on September 14, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | LDLock | 酒店工程版 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 32 months | **Every 2 months** |
| Size | 159 MB | 52 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [凡单科技](https://appshunter.io/developer/1606148672) | [亮 董](https://appshunter.io/developer/979824099) |

## What reviewers say

### LDLock

[App page](https://appshunter.io/ios/app/ldlock/id1548609151)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### 酒店工程版

[App page](https://appshunter.io/ios/app/id6499110711)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is LDLock free?

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

### Is 酒店工程版 free?

酒店工程版 is free to download, with no in-app purchases.

### Do LDLock or 酒店工程版 have ads?

Neither LDLock nor 酒店工程版 shows ads.

### Which is updated more often, LDLock or 酒店工程版?

LDLock ships an update every 32 months, and 酒店工程版 every 2 months. Most recently, LDLock was updated on September 14, 2026 and 酒店工程版 on September 21, 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.*