# 학식 vs 뤼튼

The clearest difference is in-app purchases: 학식 at none against 뤼튼's 11. 뤼튼's advantage is ads (none vs shown) and update cadence (every 2 weeks vs monthly). On price, device support and iOS requirement there is nothing between them.

Both are free to download. 뤼튼 sells 11 one-off in-app purchases. 학식 asks for nothing beyond the download.

학식 ships an update monthly, 뤼튼 every 2 weeks. The most recent releases landed on September 18, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | 학식 | 뤼튼 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.8 (48 ratings)](https://appshunter.io/ios/app/ai/id6448556170/reviews)** |
| Number of ratings | — | **48** |
| Positive reviews | — | 44.4% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 84 MB | 201 MB |
| Requires iOS | **15.0** | 15.5 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [ABP CO.,LTD](https://appshunter.io/developer/1348627098) | [wrtn technologies Inc.](https://appshunter.io/developer/1684966734) |

## What reviewers say

### 학식

[App page](https://appshunter.io/ios/app/id6443999319)

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

**In-app purchases:** none


### 뤼튼

[App page](https://appshunter.io/ios/app/ai/id6448556170)

This AI-powered assistant offers a suite of tools for writing, image generation, and English conversation practice. It learns your preferences for personalized support and provides a secure, encrypted chat experience. Earn rewards by using the app and completing simple missions.

**Highlights:** AI writing and editing tools, AI image generation, AI English conversation partner, Personalized AI support, App-based rewards system, Analysis of documents and images

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

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 열쇠 9개 | $0.99 | one-time |
| 4,400 크레딧 | $3.99 | one-time |
| 열쇠 45개 | $4.99 | one-time |
| 10000 크레딧 | $9.99 | one-time |
| 열쇠 99개 | $9.99 | one-time |
| 20000 크레딧 | $17.99 | one-time |
| 열쇠 290개 | $19.99 | one-time |
| 열쇠 450개 | $34.99 | one-time |
| 50000 크레딧 | $39.99 | one-time |
| 100000 크레딧 | $99.99 | one-time |
| 200000 크레딧 | $199.99 | one-time |


## Frequently asked questions

### Is 학식 free?

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

### Is 뤼튼 free?

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

### Do 학식 or 뤼튼 have ads?

학식 shows ads; 뤼튼 does not.

### Which is updated more often, 학식 or 뤼튼?

학식 ships an update monthly, and 뤼튼 every 2 weeks. Most recently, 학식 was updated on September 18, 2026 and 뤼튼 on September 23, 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.*