# ジョブカン勤怠管理 (ICカードリーダー) vs GTN CONTACT

The clearest difference is update cadence: ジョブカン勤怠管理 (ICカードリーダー) at every 5 months against GTN CONTACT's every 31 months. GTN CONTACT's advantage is iOS requirement (12.0 vs 15.0). 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.

ジョブカン勤怠管理 (ICカードリーダー) ships an update every 5 months, GTN CONTACT every 31 months. The most recent releases landed on October 12, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | ジョブカン勤怠管理 (ICカードリーダー) | GTN CONTACT |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 18.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 31 months |
| Monetization | Free | — |
| Size | 8 MB | 16 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Donuts Co. Ltd.](https://appshunter.io/developer/492075951) | [Osamu Envision Technology Inc.](https://appshunter.io/developer/608183788) |

## What reviewers say

### ジョブカン勤怠管理 (ICカードリーダー)

[App page](https://appshunter.io/ios/app/ic/id843130036)

This app transforms an iOS device into a time clock using an IC card reader. It enables easy and secure time tracking, allowing for registration of cards and automatic entry/exit detection. It also integrates with expense tracking for transportation costs.

**Highlights:** IC card time clock functionality, Prevents fraudulent time punching, IC card registration and management, Automatic entry/exit detection, Integration with expense tracking, Supports multiple punches daily

**Features:** macOS Compatibility

**In-app purchases:** none


### GTN CONTACT

[App page](https://appshunter.io/ios/app/gtn-contact/id1488049561)

**In-app purchases:** none


## Frequently asked questions

### Is ジョブカン勤怠管理 (ICカードリーダー) free?

ジョブカン勤怠管理 (ICカードリーダー) is free to download, with no in-app purchases.

### Is GTN CONTACT free?

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

### Do ジョブカン勤怠管理 (ICカードリーダー) or GTN CONTACT have ads?

Neither ジョブカン勤怠管理 (ICカードリーダー) nor GTN CONTACT shows ads.

### Which is updated more often, ジョブカン勤怠管理 (ICカードリーダー) or GTN CONTACT?

ジョブカン勤怠管理 (ICカードリーダー) ships an update every 5 months, and GTN CONTACT every 31 months. Most recently, ジョブカン勤怠管理 (ICカードリーダー) was updated on October 12, 2026 and GTN CONTACT on October 10, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*