# Lock Tool vs 4K MAESTRO Total Control

The clearest difference is update cadence: Lock Tool at every 3 months against 4K MAESTRO Total Control's every 47 months. Lock Tool also leads on iOS requirement (12.0 vs 15.2). 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.

Lock Tool ships an update every 3 months, 4K MAESTRO Total Control every 47 months. The most recent releases landed on October 1, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Lock Tool | 4K MAESTRO Total Control |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 47 months |
| Size | 19 MB | 2 MB |
| Requires iOS | **12.0** | 15.2 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Zhixin Wulian Technology Co., Ltd.](https://appshunter.io/developer/1521588847) | [Affyy](https://appshunter.io/developer/1093477630) |

## What reviewers say

### Lock Tool

[App page](https://appshunter.io/ios/app/lock-tool/id1419601294)

**Features:** macOS Compatibility

**In-app purchases:** none


### 4K MAESTRO Total Control

[App page](https://appshunter.io/ios/app/4k-maestro-total-control/id1534677667)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Lock Tool free?

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

### Is 4K MAESTRO Total Control free?

4K MAESTRO Total Control is free to download, with no in-app purchases.

### Do Lock Tool or 4K MAESTRO Total Control have ads?

Neither Lock Tool nor 4K MAESTRO Total Control shows ads.

### Which is updated more often, Lock Tool or 4K MAESTRO Total Control?

Lock Tool ships an update every 3 months, and 4K MAESTRO Total Control every 47 months. Most recently, Lock Tool was updated on October 1, 2026 and 4K MAESTRO Total Control on October 8, 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.*