# DropStack vs Zoodoku

The clearest difference is update cadence: DropStack at every 4 days against Zoodoku's every 2 weeks. Zoodoku's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 26.2). On price, ads and in-app purchases there is nothing between them.

Both are free to download. DropStack sells 1 one-off in-app purchase and Zoodoku sells 2 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

DropStack ships an update every 4 days, Zoodoku every 2 weeks. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | DropStack | Zoodoku |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (616 ratings)](https://appshunter.io/ios/app/zoodoku-animal-puzzle/id6785400656/reviews)** |
| Number of ratings | — | **616** |
| Positive reviews | — | 67.2% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 4 days** | Every 2 weeks |
| Monetization | — | Ad-supported |
| Size | 6 MB | 308 MB |
| Requires iOS | 26.2 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Helder Pereira](https://appshunter.io/developer/1892666219) | [FALCON GAMES](https://appshunter.io/developer/1439862247) |

## What reviewers say

### DropStack

[App page](https://appshunter.io/ios/app/dropstack/id6762048340)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Full Game | $0.99 | one-time |


### Zoodoku

[App page](https://appshunter.io/ios/app/zoodoku-animal-puzzle/id6785400656)

A logic puzzle game where you deduce the placement of animals in a zoo grid. Enjoy a calming experience with soothing sounds and satisfying puzzle-solving. Offers thousands of challenges for all skill levels.

**Highlights:** Logic puzzle gameplay, Charming zoo theme, Soothing soundscape and ASMR effects, Thousands of logic challenges, Easy to learn, challenging to master, Play anytime, anywhere

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads 1 Month | $5.99 | per month |
| Smooth Play – 12 Months | $29.99 | per year |


## Frequently asked questions

### Is DropStack free?

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

### Is Zoodoku free?

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

### Do DropStack or Zoodoku have ads?

Both DropStack and Zoodoku show ads.

### Which is updated more often, DropStack or Zoodoku?

DropStack ships an update every 4 days, and Zoodoku every 2 weeks. Most recently, DropStack was updated on October 25, 2026 and Zoodoku on October 28, 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.*