# xLock vs Smart cylinder

The clearest difference is update cadence: Smart cylinder at every 3 weeks against xLock's every 2 months. Smart cylinder also leads on iOS requirement (13.4 vs 16.0). 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.

xLock ships an update every 2 months, Smart cylinder every 3 weeks. The most recent releases landed on October 11, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | xLock | Smart cylinder |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Size | 65 MB | 162 MB |
| Requires iOS | 16.0 | **13.4** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Vega SMB AS](https://appshunter.io/developer/889872246) | [AGA AS](https://appshunter.io/developer/532525813) |

## What reviewers say

### xLock

[App page](https://appshunter.io/ios/app/xlock/id1450798895)

**Features:** Vision Pro support

**In-app purchases:** none


### Smart cylinder

[App page](https://appshunter.io/ios/app/smart-cylinder/id6444184049)

**In-app purchases:** none


## Frequently asked questions

### Is xLock free?

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

### Is Smart cylinder free?

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

### Do xLock or Smart cylinder have ads?

Neither xLock nor Smart cylinder shows ads.

### Which is updated more often, xLock or Smart cylinder?

xLock ships an update every 2 months, and Smart cylinder every 3 weeks. Most recently, xLock was updated on October 11, 2026 and Smart cylinder 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.*