# ZKBio Zlink vs German Labs Authenticator

The clearest difference is update cadence: German Labs Authenticator at weekly against ZKBio Zlink's every 3 weeks. 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.

ZKBio Zlink ships an update every 3 weeks, German Labs Authenticator weekly. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | ZKBio Zlink | German Labs Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/zkbio-zlink/id1640267070/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | Free | — |
| Size | 207 MB | 32 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ZKTeco Inc.](https://appshunter.io/developer/955313767) | [Ivanna Alarcon Arenas](https://appshunter.io/developer/1896688564) |

## What reviewers say

### ZKBio Zlink

[App page](https://appshunter.io/ios/app/zkbio-zlink/id1640267070)

This cloud-based IoT platform integrates access control, time and attendance, and an approval center for small to medium-sized businesses. It enhances operational efficiency and connectivity, offering a scalable solution without significant upfront IT investment.

**Highlights:** Cloud-based IoT platform, Integrated access control, Time and attendance tracking, Approval center, Scalable AWS infrastructure, Simplified operations

**In-app purchases:** none


### German Labs Authenticator

[App page](https://appshunter.io/ios/app/german-labs-authenticator/id6769791824)

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

**In-app purchases:** none


## Frequently asked questions

### Is ZKBio Zlink free?

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

### Is German Labs Authenticator free?

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

### Do ZKBio Zlink or German Labs Authenticator have ads?

Neither ZKBio Zlink nor German Labs Authenticator shows ads.

### Which is updated more often, ZKBio Zlink or German Labs Authenticator?

ZKBio Zlink ships an update every 3 weeks, and German Labs Authenticator weekly. Most recently, ZKBio Zlink was updated on November 3, 2026 and German Labs Authenticator on November 5, 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.*