# zii vs DUUXS

The clearest difference is update cadence: DUUXS at every 9 days against zii's monthly. zii's advantage is iOS requirement (12.0 vs 15.1). 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.

zii ships an update monthly, DUUXS every 9 days. Both last shipped on October 7, 2026.

## The numbers

| Metric | zii | DUUXS |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 9 days** |
| Monetization | Free | — |
| Size | 51 MB | 90 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ZiiTech Pty Ltd](https://appshunter.io/developer/1492861757) | [DUUXS PTY LTD](https://appshunter.io/developer/1821637191) |

## What reviewers say

### zii

[App page](https://appshunter.io/ios/app/zii/id1492861758)

Consolidate all your membership cards in one place to access exclusive merchant services like points, coupons, and birthday gifts. Track your spending in real-time and stay updated on promotions.

**Highlights:** Digital membership card storage, Access merchant services, Points tracking, Coupon redemption, Birthday gift notifications, Real-time consumption tracking, Event promotion updates

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

**In-app purchases:** none


### DUUXS

[App page](https://appshunter.io/ios/app/duuxs/id6747479739)

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

**In-app purchases:** none


## Frequently asked questions

### Is zii free?

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

### Is DUUXS free?

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

### Do zii or DUUXS have ads?

Neither zii nor DUUXS shows ads.

### Which is updated more often, zii or DUUXS?

zii ships an update monthly, and DUUXS every 9 days. Most recently, zii was updated on October 7, 2026 and DUUXS on October 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.*