# ZKBioTime vs Gtac Admin

The clearest difference is update cadence: Gtac Admin at every 4 days against ZKBioTime's every 3 months. ZKBioTime's advantage is iOS requirement (13.0 vs 15.6). 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.

ZKBioTime ships an update every 3 months, Gtac Admin every 4 days. The most recent releases landed on October 11, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | ZKBioTime | Gtac Admin |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.5 (4 ratings)](https://appshunter.io/ios/app/zkbiotime/id1328240723/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 13.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 4 days** |
| Monetization | Free | — |
| Size | 22 MB | 64 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ZKTECO SECURITY LLC](https://appshunter.io/developer/1328240722) | [Leaders Minds](https://appshunter.io/developer/1649085419) |

## What reviewers say

### ZKBioTime

[App page](https://appshunter.io/ios/app/zkbiotime/id1328240723)

This real-time attendance app allows employees to clock in with location data and manage requests. It provides announcements and reports, with configurable administrator and employee access levels. Ideal for businesses with mobile workforces.

**Highlights:** Real-time clock-in with GPS, Employee request management, Announcements and reports, Configurable user levels, Online notifications

**Features:** macOS Compatibility

**In-app purchases:** none


### Gtac Admin

[App page](https://appshunter.io/ios/app/gtac-admin/id6801063454)

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

**In-app purchases:** none


## Frequently asked questions

### Is ZKBioTime free?

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

### Is Gtac Admin free?

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

### Do ZKBioTime or Gtac Admin have ads?

Neither ZKBioTime nor Gtac Admin shows ads.

### Which is updated more often, ZKBioTime or Gtac Admin?

ZKBioTime ships an update every 3 months, and Gtac Admin every 4 days. Most recently, ZKBioTime was updated on October 11, 2026 and Gtac Admin on October 4, 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.*