# 매쓰튜터(AI튜터) vs Chappy

The clearest difference is in-app purchases: Chappy at none against 매쓰튜터(AI튜터)'s 2. 매쓰튜터(AI튜터)'s advantage is ads (none vs shown) and update cadence (every 5 days vs every 4 weeks). On price and review sentiment there is nothing between them.

Both are free to download. 매쓰튜터(AI튜터) sells 2 in-app purchases, starting at $22.99 per month. Chappy asks for nothing beyond the download.

매쓰튜터(AI튜터) ships an update every 5 days, Chappy every 4 weeks. The most recent releases landed on October 12, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | 매쓰튜터(AI튜터) | Chappy |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **50.0% of reviews** | 44.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 5 days** | Every 4 weeks |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 165 MB | 38 MB |
| Requires iOS | **15.6** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Happy Edu Tech Co., Ltd.](https://appshunter.io/developer/1613097298) | [Saerom Shin](https://appshunter.io/developer/1716768656) |

## What reviewers say

### 매쓰튜터(AI튜터)

[App page](https://appshunter.io/ios/app/aipdf/id6444154902)

This app provides AI-powered explanations for challenging problems, offering step-by-step video solutions and detailed feedback on your work. It supports all subjects and grade levels, creating personalized study plans and automatic error notes for efficient learning.

**Highlights:** AI-powered problem explanations, Step-by-step video solutions, Detailed partial grading, All-subject support, Unlimited problem bank, Customized test preparation, Smart learning management

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AI튜터 한달 구독권 | $22.99 | per month |
| AI튜터 6개월 구독권 | $99.99 | per 6 months |


### Chappy

[App page](https://appshunter.io/ios/app/chappy-ai-quiz-solver/id6472210312)

Snap a photo of your homework problem and get instant answers with an AI tutor. This app provides immediate explanations for questions, helping you understand concepts without waiting for a teacher. Simply take a picture, crop it, and receive your solution.

**Highlights:** AI-powered problem solver, Instant answers, Photo recognition for questions, Immediate explanations, Homework assistance

**In-app purchases:** none


## Frequently asked questions

### Is 매쓰튜터(AI튜터) free?

매쓰튜터(AI튜터) is free to download, with in-app purchases available.

### Is Chappy free?

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

### Do 매쓰튜터(AI튜터) or Chappy have ads?

Chappy shows ads; 매쓰튜터(AI튜터) does not.

### Which is updated more often, 매쓰튜터(AI튜터) or Chappy?

매쓰튜터(AI튜터) ships an update every 5 days, and Chappy every 4 weeks. Most recently, 매쓰튜터(AI튜터) was updated on October 12, 2026 and Chappy on October 13, 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.*