# 이투스 수강앱 vs 풀다

The clearest difference is review sentiment: 풀다 at 90% against 이투스 수강앱's 13%. 풀다 also leads on rating (4.6 vs 1.3) and update cadence (every 4 days vs every 2 months). 이투스 수강앱's advantage is monetization model (free vs free with in-app purchases). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. 이투스 수강앱 sells 1 one-off in-app purchase and 풀다 sells 23 in-app purchases, starting at $19.99 per month. Whichever you choose, the download price is not the number that matters.

풀다 holds the better App Store score, 4.6 against 1.3. Both are backed by a comparable volume of ratings — 13 and 16 respectively. Written reviews point the same way: 13% of 이투스 수강앱's written reviews are positive against 90% of 풀다's.

이투스 수강앱 ships an update every 2 months, 풀다 every 4 days. The most recent releases landed on September 25, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | 이투스 수강앱 | 풀다 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.3 (13 ratings)](https://appshunter.io/ios/app/smart-study/id1486564159/reviews) | **[4.6 (16 ratings)](https://appshunter.io/ios/app/ai/id1530892838/reviews)** |
| Number of ratings | 13 | **16** |
| Positive reviews | 12.5% of reviews | **90.2% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 64 MB | 349 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Etoos Education](https://appshunter.io/developer/403650801) | [FilledU Inc.](https://appshunter.io/developer/1530779207) |

## What reviewers say

### 이투스 수강앱

[App page](https://appshunter.io/ios/app/smart-study/id1486564159)

This app offers a streamlined learning experience with personalized course recommendations and exclusive content from top instructors. Enjoy features like quick streaming, offline downloads, direct Q&A with teachers, and customizable playback options for efficient study.

**Highlights:** Personalized course recommendations, Exclusive original content, Offline lecture downloads, Direct Q&A with instructors, Customizable playback speed and features, New UX/UI for user convenience

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 이투스머니충전 10,000 | $11.99 | one-time |


### 풀다

[App page](https://appshunter.io/ios/app/ai/id1530892838)

Prepare for middle and high school exams, mock tests, and college entrance exams with AI-powered problem recommendations. Track your progress, identify weaknesses, and manage your studies effectively.

**Highlights:** Middle/High school exam preparation, Mock test and college entrance exam questions (2015-2023), AI-recommended practice problems, Customizable problem selection by type and difficulty, Learning progress analysis and weakness identification, Study planner with to-do list and timer, Automatic incorrect answer management

**Features:** macOS Compatibility

**In-app purchases (23)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 풀다 패스 월 구독 | $19.99 | per month |
| AI 실전 모의고사 1회 풀이권 | $0.99 | one-time |
| 질문권 10개 | $0.99 | one-time |
| 질문권 50개 | $6.99 | one-time |
| 불꽃 모드 1회 이용권 | $7.99 | one-time |
| 질문권 100개 | $14.99 | one-time |
| 베이직 30일 이용권 | $19.99 | one-time |
| 풀다 패스 90일 이용권 | $39.99 | one-time |
| 스탠다드 30일 이용권 | $44.99 | one-time |
| 베이직 90일 이용권 | $59.99 | one-time |
| 풀다 패스 180일 이용권 | $89.99 | one-time |
| 스탠다드 90일 이용권 | $99.99 | one-time |
| 플러스 90일 이용권 | $119.99 | one-time |
| 스탠다드 180일 이용권 | $129.99 | one-time |
| 풀다 패스 360일 이용권 | $149.99 | one-time |
| 플러스 90일 이용권 | $199.99 | one-time |
| 스탠다드 180일 이용권 | $199.99 | one-time |
| 플러스 180일 이용권 | $199.99 | one-time |
| 스탠다드 360일 이용권 | $229.99 | one-time |
| 스탠다드 360일 이용권 | $299.99 | one-time |
| 플러스 180일 이용권 | $399.99 | one-time |
| 플러스 360일 이용권 | $399.99 | one-time |
| 플러스 360일 이용권 | $799.99 | one-time |


## Frequently asked questions

### Is 이투스 수강앱 free?

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

### Is 풀다 free?

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

### Which has better reviews, 이투스 수강앱 or 풀다?

풀다 is rated higher. 이투스 수강앱 averages 1.3 out of 5 from 13 ratings, while 풀다 averages 4.6 from 16 ratings.

### Do 이투스 수강앱 or 풀다 have ads?

Neither 이투스 수강앱 nor 풀다 shows ads.

### Which is updated more often, 이투스 수강앱 or 풀다?

이투스 수강앱 ships an update every 2 months, and 풀다 every 4 days. Most recently, 이투스 수강앱 was updated on September 25, 2026 and 풀다 on September 26, 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.*