# CIS app vs PRIMID

The clearest difference is update cadence: CIS app at every 5 months against PRIMID's every 24 months. PRIMID's advantage is iOS requirement (11.0 vs 17.5). 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.

CIS app ships an update every 5 months, PRIMID every 24 months. The most recent releases landed on September 13, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | CIS app | PRIMID |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 24 months |
| Size | 39 MB | 64 MB |
| Requires iOS | 17.5 | **11.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [CIS - CENTRO INGROSSO SVILUPPO CAMPANIA GIANNI NAPPI SPA](https://appshunter.io/developer/1523870494) | [DUCA HOMME SRL SEMPLIFICATA](https://appshunter.io/developer/1728651962) |

## What reviewers say

### CIS app

[App page](https://appshunter.io/ios/app/cis-app/id1523870492)

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

**In-app purchases:** none


### PRIMID

[App page](https://appshunter.io/ios/app/primid/id6477161344)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CIS app free?

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

### Is PRIMID free?

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

### Do CIS app or PRIMID have ads?

Neither CIS app nor PRIMID shows ads.

### Which is updated more often, CIS app or PRIMID?

CIS app ships an update every 5 months, and PRIMID every 24 months. Most recently, CIS app was updated on September 13, 2026 and PRIMID on September 17, 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.*