# 클래스유 vs TTOT

The clearest difference is in-app purchases: TTOT at none against 클래스유's 2. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 클래스유 sells 2 one-off in-app purchases. TTOT asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 4 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 클래스유 | TTOT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (27 ratings)](https://appshunter.io/ios/app/id1464482964/reviews)** | — |
| Number of ratings | **27** | — |
| Positive reviews | 86.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 days | Every 4 days |
| Monetization | Free with in-app purchases | — |
| Size | 157 MB | 39 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [MINSOO SHIN](https://appshunter.io/developer/1089441440) | [node.Black](https://appshunter.io/developer/1716514387) |

## What reviewers say

### 클래스유

[App page](https://appshunter.io/ios/app/id1464482964)

Discover and share your expertise through online classes. Learn new skills from experts or teach your own, with interactive features to enhance the learning experience. Enjoy unlimited access to a wide variety of courses anytime, anywhere.

**Highlights:** Discover diverse online classes, Learn from expert creators, Share your own expertise, Interactive learning with peers, Unlimited course access, Earn additional income

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1달정액권 49000원 | $34.99 | one-time |
| 1:1 프리미엄 서비스 99000원 | $64.99 | one-time |


### TTOT

[App page](https://appshunter.io/ios/app/ttot/id6794994922)

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

**In-app purchases:** none


## Frequently asked questions

### Is 클래스유 free?

클래스유 is free to download, with in-app purchases available.

### Is TTOT free?

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

### Do 클래스유 or TTOT have ads?

Neither 클래스유 nor TTOT shows ads.

### Which is updated more often, 클래스유 or TTOT?

클래스유 ships an update every 4 days, and TTOT every 4 days. Most recently, 클래스유 was updated on November 3, 2026 and TTOT on October 31, 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.*