# CSI MB vs Vac

The clearest difference is update cadence: Vac at every 2 months against CSI MB's every 5 months. CSI MB's advantage is iOS requirement (11.0 vs 15.0). 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.

CSI MB ships an update every 5 months, Vac every 2 months. The most recent releases landed on October 21, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | CSI MB | Vac |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 months** |
| Size | 10 MB | 3 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [HNF Consultancy Ltd](https://appshunter.io/developer/474783515) | [Bootroom New Media Ltd](https://appshunter.io/developer/1255120041) |

## What reviewers say

### CSI MB

[App page](https://appshunter.io/ios/app/csi-mb/id1308933687)

**Features:** macOS Compatibility

**In-app purchases:** none


### Vac

[App page](https://appshunter.io/ios/app/vac-ex-manager/id1468254035)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CSI MB free?

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

### Is Vac free?

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

### Do CSI MB or Vac have ads?

Neither CSI MB nor Vac shows ads.

### Which is updated more often, CSI MB or Vac?

CSI MB ships an update every 5 months, and Vac every 2 months. Most recently, CSI MB was updated on October 21, 2026 and Vac on October 4, 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.*