# IQRCheck vs Chấm Công Trạm

The clearest difference is update cadence: Chấm Công Trạm at every 2 days against IQRCheck's every 2 weeks. IQRCheck's advantage is iOS requirement (14.0 vs 16.0). 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.

IQRCheck ships an update every 2 weeks, Chấm Công Trạm every 2 days. The most recent releases landed on September 17, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | IQRCheck | Chấm Công Trạm |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 2 days** |
| Size | 42 MB | 53 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Nguyen Ngoc Toan](https://appshunter.io/developer/1690641023) | [Thanh Tam Nguyen](https://appshunter.io/developer/6802889126) |

## What reviewers say

### IQRCheck

[App page](https://appshunter.io/ios/app/iqrcheck/id6502858829)

**Features:** macOS Compatibility

**In-app purchases:** none


### Chấm Công Trạm

[App page](https://appshunter.io/ios/app/cham-cong-tram/id6802889124)

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

**In-app purchases:** none


## Frequently asked questions

### Is IQRCheck free?

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

### Is Chấm Công Trạm free?

Chấm Công Trạm is free to download, with no in-app purchases.

### Do IQRCheck or Chấm Công Trạm have ads?

Neither IQRCheck nor Chấm Công Trạm shows ads.

### Which is updated more often, IQRCheck or Chấm Công Trạm?

IQRCheck ships an update every 2 weeks, and Chấm Công Trạm every 2 days. Most recently, IQRCheck was updated on September 17, 2026 and Chấm Công Trạm on October 6, 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.*