# BiosystemLock vs VIO Smart

The clearest difference is update cadence: VIO Smart at every 2 months against BiosystemLock's every 14 months. 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.

BiosystemLock ships an update every 14 months, VIO Smart every 2 months. The most recent releases landed on September 16, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | BiosystemLock | VIO Smart |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 2 months** |
| Size | 381 MB | 195 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Goh Siang Aik](https://appshunter.io/developer/1444710737) | [GLOS Pte. Ltd.](https://appshunter.io/developer/1469520192) |

## What reviewers say

### BiosystemLock

[App page](https://appshunter.io/ios/app/biosystemlock/id1444710738)

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

**In-app purchases:** none


### VIO Smart

[App page](https://appshunter.io/ios/app/vio-smart/id1587640238)

**In-app purchases:** none


## Frequently asked questions

### Is BiosystemLock free?

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

### Is VIO Smart free?

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

### Do BiosystemLock or VIO Smart have ads?

Neither BiosystemLock nor VIO Smart shows ads.

### Which is updated more often, BiosystemLock or VIO Smart?

BiosystemLock ships an update every 14 months, and VIO Smart every 2 months. Most recently, BiosystemLock was updated on September 16, 2026 and VIO Smart on September 20, 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.*