# WallyPop vs Stone Zen

The clearest difference is ads: WallyPop at none against Stone Zen's shown. WallyPop also leads on update cadence (every 2 days vs every 3 weeks). Stone Zen's advantage is iOS requirement (15.0 vs 18.2). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

WallyPop ships an update every 2 days, Stone Zen every 3 weeks. The most recent releases landed on October 30, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | WallyPop | Stone Zen |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 2 days** | Every 3 weeks |
| Size | 11 MB | 138 MB |
| Requires iOS | 18.2 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Jason Leibel](https://appshunter.io/developer/1575002796) | [Artem Kalmykov](https://appshunter.io/developer/1477211781) |

## What reviewers say

### WallyPop

[App page](https://appshunter.io/ios/app/wallypop/id6747538397)

**Features:** macOS Compatibility

**In-app purchases:** none


### Stone Zen

[App page](https://appshunter.io/ios/app/stone-zen/id6791721923)

**In-app purchases:** none


## Frequently asked questions

### Is WallyPop free?

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

### Is Stone Zen free?

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

### Do WallyPop or Stone Zen have ads?

Stone Zen shows ads; WallyPop does not.

### Which is updated more often, WallyPop or Stone Zen?

WallyPop ships an update every 2 days, and Stone Zen every 3 weeks. Most recently, WallyPop was updated on October 30, 2026 and Stone Zen on November 10, 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.*