# CalmShift vs Quit Smoking Zombie

The clearest difference is in-app purchases: Quit Smoking Zombie at none against CalmShift's 2. CalmShift's advantage is ads (none vs shown) and device support (3 vs 1). On price there is nothing between them.

Both are free to download. CalmShift sells 2 in-app purchases, starting at $4.99 per 7 days. Quit Smoking Zombie asks for nothing beyond the download.

## The numbers

| Metric | CalmShift | Quit Smoking Zombie |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 2 days | — |
| Size | 83 MB | 8 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 17+ |
| Developer | [TURGUT SONMEZ](https://appshunter.io/developer/1717266296) | [seihee han](https://appshunter.io/developer/629944907) |

## What reviewers say

### CalmShift

[App page](https://appshunter.io/ios/app/calmshift-stop-vaping-tracker/id6760598412)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $4.99 | per 7 days |
| Monthly | $12.99 | per month |


### Quit Smoking Zombie

[App page](https://appshunter.io/ios/app/quit-smoking-zombie/id6818592416)

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

**In-app purchases:** none


## Frequently asked questions

### Is CalmShift free?

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

### Is Quit Smoking Zombie free?

Quit Smoking Zombie is free to download, with no in-app purchases.

### Do CalmShift or Quit Smoking Zombie have ads?

Quit Smoking Zombie shows ads; CalmShift does not.

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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.*