# CIAS vs VS Prime

The clearest difference is update cadence: CIAS at every 5 weeks against VS Prime's every 13 months. VS Prime's advantage is iOS requirement (13.0 vs 15). 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.

CIAS ships an update every 5 weeks, VS Prime every 13 months. The most recent releases landed on September 8, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | CIAS | VS Prime |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 13 months |
| Size | 68 MB | 76 MB |
| Requires iOS | 15 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Cias Elettronica Srl](https://appshunter.io/developer/1179992646) | [Top Italia SRL](https://appshunter.io/developer/1818934623) |

## What reviewers say

### CIAS

[App page](https://appshunter.io/ios/app/cias/id1612665779)

**Features:** Vision Pro support

**In-app purchases:** none


### VS Prime

[App page](https://appshunter.io/ios/app/vs-prime/id6746896542)

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

**In-app purchases:** none


## Frequently asked questions

### Is CIAS free?

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

### Is VS Prime free?

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

### Do CIAS or VS Prime have ads?

Neither CIAS nor VS Prime shows ads.

### Which is updated more often, CIAS or VS Prime?

CIAS ships an update every 5 weeks, and VS Prime every 13 months. Most recently, CIAS was updated on September 8, 2026 and VS Prime on September 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.*