# Bluetooth vs ctrl4U

The clearest difference is update cadence: Bluetooth at every 5 weeks against ctrl4U's every 4 months. Bluetooth also leads on iOS requirement (8.0 vs 14.0). 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.

Bluetooth ships an update every 5 weeks, ctrl4U every 4 months. The most recent releases landed on October 11, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Bluetooth | ctrl4U |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 4 months |
| Size | 54 MB | 2 MB |
| Requires iOS | **8.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [LANCENS TECHNOLOGY INC.](https://appshunter.io/developer/886058853) | [Eagle Kingdom Technologies(shenzhen) Co., Ltd.](https://appshunter.io/developer/1741128165) |

## What reviewers say

### Bluetooth

[App page](https://appshunter.io/ios/app/bluetooth-lock/id1474337460)

**Features:** macOS Compatibility

**In-app purchases:** none


### ctrl4U

[App page](https://appshunter.io/ios/app/ctrl4u/id6496848796)

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

**In-app purchases:** none


## Frequently asked questions

### Is Bluetooth free?

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

### Is ctrl4U free?

ctrl4U is free to download, with no in-app purchases.

### Do Bluetooth or ctrl4U have ads?

Neither Bluetooth nor ctrl4U shows ads.

### Which is updated more often, Bluetooth or ctrl4U?

Bluetooth ships an update every 5 weeks, and ctrl4U every 4 months. Most recently, Bluetooth was updated on October 11, 2026 and ctrl4U on October 18, 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.*