# Wool Island vs Duple Dragon

The clearest difference is in-app purchases: Wool Island at none against Duple Dragon's 7. Wool Island also leads on update cadence (every 11 days vs every 2 months) and ratings volume (20 vs 3). Duple Dragon's advantage is rating (5.0 vs 4.7) and review sentiment (100% vs 76%). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Duple Dragon sells 7 one-off in-app purchases. Wool Island asks for nothing beyond the download.

Duple Dragon holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Wool Island has 20 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 76% of Wool Island's written reviews are positive against 100% of Duple Dragon's.

Wool Island ships an update every 11 days, Duple Dragon every 2 months. The most recent releases landed on October 24, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Wool Island | Duple Dragon |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (20 ratings)](https://appshunter.io/ios/app/wool-island/id1504415548/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/duple-dragon/id1573058971/reviews)** |
| Number of ratings | **20** | 3 |
| Positive reviews | 75.9% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 11 days** | Every 2 months |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 129 MB | 230 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Upopa Entertainment Ltd](https://appshunter.io/developer/1140797199) | [Tripping Whale LLC](https://appshunter.io/developer/1573058973) |

## What reviewers say

### Wool Island

[App page](https://appshunter.io/ios/app/wool-island/id1504415548)

Explore new islands with your canine companion and gather wool. Craft cozy sweaters for your dog using the collected wool. A delightful and engaging experience for pet lovers.

**Highlights:** Island exploration, Pet dog companion, Wool collection, Sweater crafting, Dog customization

**Features:** macOS Compatibility

**In-app purchases:** none


### Duple Dragon

[App page](https://appshunter.io/ios/app/duple-dragon/id1573058971)

Guide two dragons simultaneously through a vibrant festival, exploding fireworks and collecting lucky envelopes. Master unique tandem gameplay, unlock exciting abilities, and customize your dragons with over 280 colors and effects. New stages are added weekly.

**Highlights:** Unique tandem gameplay controlling two dragons, Explode fireworks before time runs out, Fly through spirit rings for speed boosts, Collect lucky envelopes for upgrades, Customize dragons with 280+ colors and effects, New stages added weekly

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100 Lucky Envelopes | $0.99 | one-time |
| 550 Lucky Envelopes | $4.99 | one-time |
| Remove Ads | $4.99 | one-time |
| 1150 Lucky Envelopes | $9.99 | one-time |
| 2400 Lucky Envelopes | $19.99 | one-time |
| 6250 Lucky Envelopes | $49.99 | one-time |
| 13000 Lucky Envelopes | $99.99 | one-time |


## Frequently asked questions

### Is Wool Island free?

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

### Is Duple Dragon free?

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

### Which has better reviews, Wool Island or Duple Dragon?

Duple Dragon is rated higher. Wool Island averages 4.7 out of 5 from 20 ratings, while Duple Dragon averages 5.0 from 3 ratings.

### Do Wool Island or Duple Dragon have ads?

Both Wool Island and Duple Dragon show ads.

### Which is updated more often, Wool Island or Duple Dragon?

Wool Island ships an update every 11 days, and Duple Dragon every 2 months. Most recently, Wool Island was updated on October 24, 2026 and Duple Dragon on October 9, 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.*