# Zen Run! vs Merge Stack

The clearest difference is ads: Zen Run! at none against Merge Stack's shown. Zen Run! also leads on iOS requirement (11.0 vs 15.0). 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.

## The numbers

| Metric | Zen Run! | Merge Stack |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | — | Every 2 months |
| Size | 417 MB | 238 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Core Game Studio](https://appshunter.io/developer/1522668093) | [Kite Games](https://appshunter.io/developer/1878111512) |

## What reviewers say

### Zen Run!

[App page](https://appshunter.io/ios/app/zen-run/id1590220484)

**Features:** macOS Compatibility

**In-app purchases:** none


### Merge Stack

[App page](https://appshunter.io/ios/app/merge-stack-color-block/id6788709551)

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

**In-app purchases:** none


## Frequently asked questions

### Is Zen Run! free?

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

### Is Merge Stack free?

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

### Do Zen Run! or Merge Stack have ads?

Merge Stack shows ads; Zen Run! does not.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*