# GOODDUCK vs 뤼튼

The clearest difference is review sentiment: GOODDUCK at 98% against 뤼튼's 44%. GOODDUCK also leads on in-app purchases (none vs 11). 뤼튼's advantage is rating (3.8 vs 2.3) and ratings volume (48 vs 3). On price, ads and iOS requirement there is nothing between them.

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

뤼튼 holds the better App Store score, 3.8 against 2.3. That said, the two scores are not equally well evidenced: 뤼튼 has 48 ratings behind it against 3, so its average is the more settled of the two. Written reviews complicate that: 98% of GOODDUCK's written reviews are positive against 44% of 뤼튼's, so the app with the better star average is not the one people write more warmly about.

GOODDUCK ships an update monthly, 뤼튼 every 2 weeks. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | GOODDUCK | 뤼튼 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (3 ratings)](https://appshunter.io/ios/app/goodduck/id1574162509/reviews) | **[3.8 (48 ratings)](https://appshunter.io/ios/app/ai/id6448556170/reviews)** |
| Number of ratings | 3 | **48** |
| Positive reviews | **98.0% of reviews** | 43.6% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 100 MB | 201 MB |
| Requires iOS | 16.4 | **15.5** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Pond](https://appshunter.io/developer/1561377819) | [wrtn technologies Inc.](https://appshunter.io/developer/1684966734) |

## What reviewers say

### GOODDUCK

[App page](https://appshunter.io/ios/app/goodduck/id1574162509)

Connect directly with your favorite artists through fan testimonials, real-time live sessions, and exclusive audio content. Engage with a community of fellow fans, share secret stories, and stay updated on artist schedules and daily life moments.

**Highlights:** Fan testimonials, Artist schedule calendar, Artist daily life feed, Real-time live sessions, Exclusive audio playlists, Fan community board, Secret fan stories

**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 GOODDUCK free?

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

### Is 뤼튼 free?

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

### Which has better reviews, GOODDUCK or 뤼튼?

뤼튼 is rated higher. GOODDUCK averages 2.3 out of 5 from 3 ratings, while 뤼튼 averages 3.8 from 48 ratings.

### Do GOODDUCK or 뤼튼 have ads?

Neither GOODDUCK nor 뤼튼 shows ads.

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

GOODDUCK ships an update monthly, and 뤼튼 every 2 weeks. Most recently, GOODDUCK was updated on October 24, 2026 and 뤼튼 on October 27, 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.*