# Christeyns vs OuiTrust for Business

The clearest difference is update cadence: OuiTrust for Business at every 6 weeks against Christeyns's every 38 months. Christeyns's advantage is iOS requirement (11.0 vs 13.0). 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.

Christeyns ships an update every 38 months, OuiTrust for Business every 6 weeks. The most recent releases landed on November 11, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Christeyns | OuiTrust for Business |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 38 months | **Every 6 weeks** |
| Size | 37 MB | 91 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Aware (BE)](https://appshunter.io/developer/1003786002) | [EasyEuro Technology Limited](https://appshunter.io/developer/1427231568) |

## What reviewers say

### Christeyns

[App page](https://appshunter.io/ios/app/christeyns/id1401318199)

**Features:** macOS Compatibility

**In-app purchases:** none


### OuiTrust for Business

[App page](https://appshunter.io/ios/app/ouitrust-for-business/id1485345961)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Christeyns free?

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

### Is OuiTrust for Business free?

OuiTrust for Business is free to download, with no in-app purchases.

### Do Christeyns or OuiTrust for Business have ads?

Neither Christeyns nor OuiTrust for Business shows ads.

### Which is updated more often, Christeyns or OuiTrust for Business?

Christeyns ships an update every 38 months, and OuiTrust for Business every 6 weeks. Most recently, Christeyns was updated on November 11, 2026 and OuiTrust for Business on November 7, 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.*