# WillyAndMillyPuzzle vs Zero

The clearest difference is in-app purchases: Zero at none against WillyAndMillyPuzzle's 3. Zero also leads on ads (none vs shown) and update cadence (every 3 days vs every 2 months). WillyAndMillyPuzzle's advantage is iOS requirement (13.0 vs 18.0). On price and device support there is nothing between them.

Both are free to download. WillyAndMillyPuzzle sells 3 one-off in-app purchases. Zero asks for nothing beyond the download.

WillyAndMillyPuzzle ships an update every 2 months, Zero every 3 days. The most recent releases landed on October 11, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | WillyAndMillyPuzzle | Zero |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/zero-block-worlds/id6757377374/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 3 days** |
| Monetization | — | Free |
| Size | 209 MB | 51 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [WINGAMES Co.,Ltd.](https://appshunter.io/developer/1786771744) | [Hyuckil Kwon](https://appshunter.io/developer/1866487686) |

## What reviewers say

### WillyAndMillyPuzzle

[App page](https://appshunter.io/ios/app/willyandmillypuzzle/id6739731614)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100 coins | $0.99 | one-time |
| 600 coins | $4.99 | one-time |
| 1400 coins | $9.99 | one-time |


### Zero

[App page](https://appshunter.io/ios/app/zero-block-worlds/id6757377374)

Create and explore block-based worlds, then share them with friends via a simple link. Friends can explore your creations directly in their browser without needing the app. Build anything with a variety of textures and even embed photos or videos.

**Highlights:** Build worlds with blocks, 150+ textures, Embed photos/videos, Explore user-created worlds, Share worlds via link, Browser-based exploration, Offline play

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is WillyAndMillyPuzzle free?

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

### Is Zero free?

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

### Do WillyAndMillyPuzzle or Zero have ads?

WillyAndMillyPuzzle shows ads; Zero does not.

### Which is updated more often, WillyAndMillyPuzzle or Zero?

WillyAndMillyPuzzle ships an update every 2 months, and Zero every 3 days. Most recently, WillyAndMillyPuzzle was updated on October 11, 2026 and Zero on October 8, 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.*