# Lock Tool vs Eye BT Smart Lock

The clearest difference is update cadence: Eye BT Smart Lock at every 9 days against Lock Tool's every 3 months. Lock Tool's advantage is iOS requirement (12.0 vs 15.1). 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, Eye BT Smart Lock every 9 days. The most recent releases landed on November 11, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Lock Tool | Eye BT Smart Lock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 9 days** |
| Size | 19 MB | 21 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Zhixin Wulian Technology Co., Ltd.](https://appshunter.io/developer/1521588847) | [Shibli Noman](https://appshunter.io/developer/1892817938) |

## What reviewers say

### Lock Tool

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Eye BT Smart Lock

[App page](https://appshunter.io/ios/app/eye-bt-smart-lock/id6768598147)

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

**In-app purchases:** none


## Frequently asked questions

### Is Lock Tool free?

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

### Is Eye BT Smart Lock free?

Eye BT Smart Lock is free to download, with no in-app purchases.

### Do Lock Tool or Eye BT Smart Lock have ads?

Neither Lock Tool nor Eye BT Smart Lock shows ads.

### Which is updated more often, Lock Tool or Eye BT Smart Lock?

Lock Tool ships an update every 3 months, and Eye BT Smart Lock every 9 days. Most recently, Lock Tool was updated on November 11, 2026 and Eye BT Smart Lock 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.*