# Duple Dragon vs Bully Ball

The clearest difference is in-app purchases: Bully Ball at none against Duple Dragon's 7. Duple Dragon's advantage is update cadence (every 2 months vs every 12 months). 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. Bully Ball asks for nothing beyond the download.

Duple Dragon ships an update every 2 months, Bully Ball every 12 months. The most recent releases landed on June 1, 2026 and December 12, 2025 respectively.

## The numbers

| Metric | Duple Dragon | Bully Ball |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/duple-dragon/id1573058971/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 2 months** | Every 12 months |
| Monetization | Free with in-app purchases | — |
| Size | 230 MB | 100 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tripping Whale LLC](https://appshunter.io/developer/1573058973) | [omer cetin](https://appshunter.io/developer/1584332419) |

## What reviewers say

### 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 |


### Bully Ball

[App page](https://appshunter.io/ios/app/bully-ball/id1630910891)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Duple Dragon free?

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

### Is Bully Ball free?

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

### Do Duple Dragon or Bully Ball have ads?

Both Duple Dragon and Bully Ball show ads.

### Which is updated more often, Duple Dragon or Bully Ball?

Duple Dragon ships an update every 2 months, and Bully Ball every 12 months. Most recently, Duple Dragon was updated on June 1, 2026 and Bully Ball on December 12, 2025.

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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.*