# U vs 2DUB Class

The clearest difference is update cadence: 2DUB Class at monthly against U's every 4 months. U's advantage is iOS requirement (12.1 vs 14.0). 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.

U ships an update every 4 months, 2DUB Class monthly. The most recent releases landed on September 13, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | U | 2DUB Class |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (1 ratings)](https://appshunter.io/ios/app/2dub-class/id1529998946/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Monthly** |
| Monetization | — | Free |
| Size | 8 MB | 53 MB |
| Requires iOS | **12.1** | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MIN HO KIM](https://appshunter.io/developer/582570599) | [2MEU Inc.](https://appshunter.io/developer/1244037111) |

## What reviewers say

### U

[App page](https://appshunter.io/ios/app/u-class-remocon/id1471264676)

**Features:** macOS Compatibility

**In-app purchases:** none


### 2DUB Class

[App page](https://appshunter.io/ios/app/2dub-class/id1529998946)

This app assists English and Korean teachers in preparing class materials and managing students. It simplifies homework creation, grading, and provides tools to engage students and improve their speaking skills.

**Highlights:** Homework creation and management, Student management, Speaking homework options, Sticker and feedback engagement, Grading tools

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

**In-app purchases:** none


## Frequently asked questions

### Is U free?

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

### Is 2DUB Class free?

2DUB Class is free to download, with no in-app purchases.

### Do U or 2DUB Class have ads?

Neither U nor 2DUB Class shows ads.

### Which is updated more often, U or 2DUB Class?

U ships an update every 4 months, and 2DUB Class monthly. Most recently, U was updated on September 13, 2026 and 2DUB Class on September 18, 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.*