# BU Class Check In vs NMU Registration System

The clearest difference is iOS requirement: NMU Registration System at 11.0 against BU Class Check In's 16.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

BU Class Check In ships an update every 3 months, NMU Registration System every 2 months. The most recent releases landed on November 2, 2026 and November 12, 2026 respectively.

## The numbers

| Metric | BU Class Check In | NMU Registration System |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Size | 120 MB | 41 MB |
| Requires iOS | 16.0 | **11.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Bangkok University](https://appshunter.io/developer/1249912677) | [VISION NET CO., LTD.](https://appshunter.io/developer/1102293614) |

## What reviewers say

### BU Class Check In

[App page](https://appshunter.io/ios/app/bu-class-check-in/id1249912678)

**Features:** Vision Pro support

**In-app purchases:** none


### NMU Registration System

[App page](https://appshunter.io/ios/app/nmu-registration-system/id6444463675)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is BU Class Check In free?

BU Class Check In is free to download, with no in-app purchases.

### Is NMU Registration System free?

NMU Registration System is free to download, with no in-app purchases.

### Do BU Class Check In or NMU Registration System have ads?

Neither BU Class Check In nor NMU Registration System shows ads.

### Which is updated more often, BU Class Check In or NMU Registration System?

BU Class Check In ships an update every 3 months, and NMU Registration System every 2 months. Most recently, BU Class Check In was updated on November 2, 2026 and NMU Registration System on November 12, 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.*