# Zn vs QR Authenticator

The clearest difference is update cadence: QR Authenticator at every 10 days against Zn's every 5 months. Zn'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.

Zn ships an update every 5 months, QR Authenticator every 10 days. The most recent releases landed on October 2, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Zn | QR Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 10 days** |
| Size | 33 MB | 31 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [i-Sprint Innovations Pte Ltd](https://appshunter.io/developer/530059572) | [Custom Cumputer Services Wales](https://appshunter.io/developer/1564081975) |

## What reviewers say

### Zn

[App page](https://appshunter.io/ios/app/zn/id1395013401)

**In-app purchases:** none


### QR Authenticator

[App page](https://appshunter.io/ios/app/qr-authenticator/id1564081973)

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

**In-app purchases:** none


## Frequently asked questions

### Is Zn free?

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

### Is QR Authenticator free?

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

### Do Zn or QR Authenticator have ads?

Neither Zn nor QR Authenticator shows ads.

### Which is updated more often, Zn or QR Authenticator?

Zn ships an update every 5 months, and QR Authenticator every 10 days. Most recently, Zn was updated on October 2, 2026 and QR Authenticator on September 29, 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.*