# CalTrack App vs Quit Smoking & Zyn

The clearest difference is device support: Quit Smoking & Zyn at 3 against CalTrack App's 1. Quit Smoking & Zyn also leads on iOS requirement (14.0 vs 16.6). On price, ads and in-app purchases there is nothing between them.

Both are free to download. CalTrack App sells 3 in-app purchases, starting at $2.99 per 7 days and Quit Smoking & Zyn sells 3 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | CalTrack App | Quit Smoking & Zyn |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | — | Every 2 months |
| Size | 77 MB | 69 MB |
| Requires iOS | 16.6 | **14.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Karan Labra](https://appshunter.io/developer/1806789706) | [Manuel Roth](https://appshunter.io/developer/1441944332) |

## What reviewers say

### CalTrack App

[App page](https://appshunter.io/ios/app/caltrack-app/id6744279046)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $2.99 | per 7 days |
| Monthly Subscription | $9.99 | per month |
| Yearly Subscription | $39.99 | per year |


### Quit Smoking & Zyn

[App page](https://appshunter.io/ios/app/quit-smoking-and-zyn-stopit/id6745608521)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| StopIt Pro - Weekly | $1.99 | per 7 days |
| StopIt Pro - Monthly | $4.99 | per month |
| StopIt Pro - Yearly | $14.99 | per year |


## Frequently asked questions

### Is CalTrack App free?

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

### Is Quit Smoking & Zyn free?

Quit Smoking & Zyn is free to download, with in-app purchases available.

### Do CalTrack App or Quit Smoking & Zyn have ads?

Neither CalTrack App nor Quit Smoking & Zyn shows ads.

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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.*