# Clusterduck vs TapStacker

The clearest difference is update cadence: TapStacker at every 4 days against Clusterduck's fortnightly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Clusterduck sells 10 one-off in-app purchases and TapStacker sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Clusterduck ships an update fortnightly, TapStacker every 4 days. The most recent releases landed on November 14, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Clusterduck | TapStacker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (174K ratings)](https://appshunter.io/ios/app/clusterduck/id1531250914/reviews)** | — |
| Number of ratings | **174K** | — |
| Positive reviews | 84.6% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Fortnightly | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 241 MB | 45 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [PikPok](https://appshunter.io/developer/323296229) | [Trovyn Tech LLC](https://appshunter.io/developer/1877718114) |

## What reviewers say

### Clusterduck

[App page](https://appshunter.io/ios/app/clusterduck/id1531250914)

Hatch and mutate an endless stream of ducks, leading to increasingly bizarre genetic mutations. Collect hundreds of unique duck variations and discover the secrets of a mysterious hole. Compete in talent contests to appease the duck gods.

**Highlights:** Hatch and mutate wacky ducks, Collect hundreds of head, wing, and body variations, Discover common, rare, epic, and legendary mutations, Witty duck descriptions, Discover secrets of the hole, Compete in Duck-Off talent contests

**Features:** Vision Pro support, iPhone Duo support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starter Pack of Clusterbucks | $0.99 | one-time |
| Remove Banner Ads | $1.99 | one-time |
| More lamp space! | $1.99 | one-time |
| Even more lamp space! | $1.99 | one-time |
| Permanent 4th Nest | $1.99 | one-time |
| Inter-Dimensional Lamp | $2.99 | one-time |
| Increase Population | $3.99 | one-time |
| Soup Buffet | $4.99 | one-time |
| Sizable Pack of Clusterbucks | $9.99 | one-time |
| Remove Ads | $19.99 | one-time |

**What reviewers like**

- 🚀 Fun and addictive game
- 👍 Unique and quirky duck designs
- 🎨 Charming art style
- 💡 Interesting mutation system
- 🕹️ Relaxing gameplay

**What reviewers complain about**

- 🔒 Limited duck storage space
- 🐛 Glitches and bugs
- 🔋 Long wait times for egg hatching
- 💰 Expensive in-app purchases for more space
- 🤔 Lack of control over duck breeding

**Reported bugs**

- Game crashes or freezes on some devices
- Inability to complete duck sets due to glitches
- Inconsistent ad behavior even after purchase
- Difficulty in distinguishing completed ducks

**Requested features**

- Add more duck storage space
- Implement a way to choose which ducks breed
- Add mini-games or other activities to pass time
- Introduce an in-game currency system
- Allow for more customization of the duck colony


### TapStacker

[App page](https://appshunter.io/ios/app/tapstacker/id6760869517)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


## Frequently asked questions

### Is Clusterduck free?

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

### Is TapStacker free?

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

### Do Clusterduck or TapStacker have ads?

Both Clusterduck and TapStacker show ads.

### Which is updated more often, Clusterduck or TapStacker?

Clusterduck ships an update fortnightly, and TapStacker every 4 days. Most recently, Clusterduck was updated on November 14, 2026 and TapStacker on November 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.*