# Shop CISS vs Iris Pay

The clearest difference is update cadence: Shop CISS at every 6 weeks against Iris Pay's every 7 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.

Shop CISS ships an update every 6 weeks, Iris Pay every 7 months. The most recent releases landed on October 25, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Shop CISS | Iris Pay |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 7 months |
| Size | 64 MB | 11 MB |
| Requires iOS | 16.4 | **15.6** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | +17 |
| Developer | [CISS Software & Serviços](https://appshunter.io/developer/778742016) | [RTN Prod Eletronicos LTDA](https://appshunter.io/developer/1436755696) |

## What reviewers say

### Shop CISS

[App page](https://appshunter.io/ios/app/shop-ciss/id1555697851)

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

**In-app purchases:** none


### Iris Pay

[App page](https://appshunter.io/ios/app/iris-pay-parceiro/id1618241383)

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

**In-app purchases:** none


## Frequently asked questions

### Is Shop CISS free?

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

### Is Iris Pay free?

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

### Do Shop CISS or Iris Pay have ads?

Neither Shop CISS nor Iris Pay shows ads.

### Which is updated more often, Shop CISS or Iris Pay?

Shop CISS ships an update every 6 weeks, and Iris Pay every 7 months. Most recently, Shop CISS was updated on October 25, 2026 and Iris Pay on October 21, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*