# Sirio2 vs BG Scanner

The clearest difference is update cadence: BG Scanner at every 6 weeks against Sirio2's every 16 months. Sirio2's advantage is iOS requirement (12.4 vs 15.6). 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.

Sirio2 ships an update every 16 months, BG Scanner every 6 weeks. The most recent releases landed on October 18, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Sirio2 | BG Scanner |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 16 months | **Every 6 weeks** |
| Size | 106 MB | 36 MB |
| Requires iOS | **12.4** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NewPhone GmbH](https://appshunter.io/developer/1003721659) | [Begin Education Marketing GmbH](https://appshunter.io/developer/1805182383) |

## What reviewers say

### Sirio2

[App page](https://appshunter.io/ios/app/sirio2/id1003721660)

**Features:** macOS Compatibility

**In-app purchases:** none


### BG Scanner

[App page](https://appshunter.io/ios/app/bg-scanner/id6743940538)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sirio2 free?

Sirio2 is free to download, with no in-app purchases.

### Is BG Scanner free?

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

### Do Sirio2 or BG Scanner have ads?

Neither Sirio2 nor BG Scanner shows ads.

### Which is updated more often, Sirio2 or BG Scanner?

Sirio2 ships an update every 16 months, and BG Scanner every 6 weeks. Most recently, Sirio2 was updated on October 18, 2026 and BG Scanner on October 5, 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.*