# 다풀 vs 채점비서

The clearest difference is in-app purchases: 다풀 at none against 채점비서's 1. 채점비서's advantage is update cadence (every 2 days vs weekly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 채점비서 sells 1 one-off in-app purchase. 다풀 asks for nothing beyond the download.

다풀 ships an update weekly, 채점비서 every 2 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 다풀 | 채점비서 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 166 MB | 80 MB |
| Requires iOS | 15.6 | **15.5** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Happy Edu Tech Co., Ltd.](https://appshunter.io/developer/1613097298) | [KANGKI SONG](https://appshunter.io/developer/6790200130) |

## What reviewers say

### 다풀

[App page](https://appshunter.io/ios/app/ai/id6756995656)

Instantly solve homework problems with AI. Snap a photo to get step-by-step video explanations, detailed grading, and personalized feedback. Master any subject with a comprehensive AI tutor.

**Highlights:** AI-powered problem solving via photo, Step-by-step video explanations, Detailed partial grading of solutions, Full subject support for all grades, Automatic mistake tracking and note generation, Personalized AI tutoring

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

**In-app purchases:** none


### 채점비서

[App page](https://appshunter.io/ios/app/id6790200128)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10 Points | $3.99 | one-time |


## Frequently asked questions

### Is 다풀 free?

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

### Is 채점비서 free?

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

### Do 다풀 or 채점비서 have ads?

Neither 다풀 nor 채점비서 shows ads.

### Which is updated more often, 다풀 or 채점비서?

다풀 ships an update weekly, and 채점비서 every 2 days. Most recently, 다풀 was updated on October 30, 2026 and 채점비서 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.*