# Duck's Dream vs Shellog

The clearest difference is in-app purchases: Shellog at none against Duck's Dream's 10. Shellog also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Duck's Dream sells 10 in-app purchases, starting at $4.99 per month. Shellog asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 4 days. The most recent releases landed on October 23, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Duck's Dream | Shellog |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/ducks-dream/id6746451155/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 94.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 4 days | Every 4 days |
| Monetization | Free with in-app purchases | — |
| Size | 133 MB | 69 MB |
| Requires iOS | 16.6 | **16.4** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [minsoo kim](https://appshunter.io/developer/1831254303) | [Minseo Ko](https://appshunter.io/developer/6805713431) |

## What reviewers say

### Duck's Dream

[App page](https://appshunter.io/ios/app/ducks-dream/id6746451155)

This app uses your daily behavior patterns to suggest personalized self-care missions. It offers CBT-based guidance and quick puzzle games to help manage mood and build sustainable mental wellness through fun, achievable daily actions.

**Highlights:** Personalized self-care missions, CBT-based guidance (QuackTalk), Puzzle game for mood interruption (QuackPop), Behavioral pattern tracking (Mind Chart), Duck customization and leveling, Global leaderboard

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $4.99 | per month |
| 아이템  4종 | $0.99 | one-time |
| 500 Diamonds | $1.99 | one-time |
| 1,000 Diamonds | $3.99 | one-time |
| 아이템 4종 5세트 | $3.99 | one-time |
| 아이템 4종 5세트, 하트 10개 | $5.99 | one-time |
| 5,000 Diamonds | $6.99 | one-time |
| Dream Pass | $6.99 | one-time |
| 10,000 Diamonds | $11.99 | one-time |
| 20,000 Diamonds | $19.99 | one-time |


### Shellog

[App page](https://appshunter.io/ios/app/shellog-pilates-and-posture/id6805713429)

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

**In-app purchases:** none


## Frequently asked questions

### Is Duck's Dream free?

Duck's Dream is free to download, with in-app purchases available.

### Is Shellog free?

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

### Do Duck's Dream or Shellog have ads?

Duck's Dream shows ads; Shellog does not.

### Which is updated more often, Duck's Dream or Shellog?

Duck's Dream ships an update every 4 days, and Shellog every 4 days. Most recently, Duck's Dream was updated on October 23, 2026 and Shellog on October 14, 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.*