# ZG LED vs UJ Library Checkout

The clearest difference is update cadence: ZG LED at every 5 days against UJ Library Checkout's fortnightly. ZG LED also leads on iOS requirement (12.1 vs 15.0). 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.

ZG LED ships an update every 5 days, UJ Library Checkout fortnightly. The most recent releases landed on October 26, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | ZG LED | UJ Library Checkout |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 days** | Fortnightly |
| Size | 10 MB | 356 MB |
| Requires iOS | **12.1** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [桂标 曾](https://appshunter.io/developer/985954900) | [Meescan Inc.](https://appshunter.io/developer/1609729285) |

## What reviewers say

### ZG LED

[App page](https://appshunter.io/ios/app/zg-led/id1254114399)

**In-app purchases:** none


### UJ Library Checkout

[App page](https://appshunter.io/ios/app/uj-library-checkout/id1496826657)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ZG LED free?

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

### Is UJ Library Checkout free?

UJ Library Checkout is free to download, with no in-app purchases.

### Do ZG LED or UJ Library Checkout have ads?

Neither ZG LED nor UJ Library Checkout shows ads.

### Which is updated more often, ZG LED or UJ Library Checkout?

ZG LED ships an update every 5 days, and UJ Library Checkout fortnightly. Most recently, ZG LED was updated on October 26, 2026 and UJ Library Checkout on October 29, 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.*