# Datang Reader vs Passport USM

The clearest difference is update cadence: Datang Reader at fortnightly against Passport USM's every 4 months. Datang Reader also leads on iOS requirement (9.0 vs 15.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Datang Reader ships an update fortnightly, Passport USM every 4 months. Both last shipped on October 2, 2026.

## The numbers

| Metric | Datang Reader | Passport USM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/datang-reader/id1519659443/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 11.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 4 months |
| Monetization | Free | Free |
| Size | 24 MB | 65 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BAYAM (M) SDN. BHD.](https://appshunter.io/developer/1577595700) | [Universiti Sains Malaysia](https://appshunter.io/developer/1537071962) |

## What reviewers say

### Datang Reader

[App page](https://appshunter.io/ios/app/datang-reader/id1519659443)

This app allows users to scan attendance for participants by logging in with their reader credentials. Access your reader account on the provided website to begin managing attendance.

**Highlights:** Login with reader credentials, Scan participant attendance, Access reader account online, Participant management

**Features:** macOS Compatibility

**In-app purchases:** none


### Passport USM

[App page](https://appshunter.io/ios/app/passport-usm/id1544265763)

This app serves as a digital identity card for university staff and students, displaying academic and personal information. It includes features like QR code generation for attendance tracking and location sharing.

**Highlights:** Digital staff and student identification, Academic information display, QR code for attendance tracking, Hostel and clinic information, Location sharing via GPS

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

**In-app purchases:** none


## Frequently asked questions

### Is Datang Reader free?

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

### Is Passport USM free?

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

### Do Datang Reader or Passport USM have ads?

Neither Datang Reader nor Passport USM shows ads.

### Which is updated more often, Datang Reader or Passport USM?

Datang Reader ships an update fortnightly, and Passport USM every 4 months. Most recently, Datang Reader was updated on October 2, 2026 and Passport USM on October 2, 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.*