# Defog vs CalliShape

The clearest difference is in-app purchases: CalliShape at none against Defog's 2. Defog's advantage is iOS requirement (16.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. Defog sells 2 in-app purchases, starting at $6.99 per 7 days. CalliShape asks for nothing beyond the download.

## The numbers

| Metric | Defog | CalliShape |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (5 ratings)](https://appshunter.io/ios/app/defog-quit-smoking/id6790715142/reviews)** | — |
| Number of ratings | **5** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 87 MB | 12 MB |
| Requires iOS | **16.0** | 26.0 |
| Devices | iPhone, iPad | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Deca Limited](https://appshunter.io/developer/6784505750) | [MAXIME MICHEL JEREMY PREAUX](https://appshunter.io/developer/1885858907) |

## What reviewers say

### Defog

[App page](https://appshunter.io/ios/app/defog-quit-smoking/id6790715142)

This app offers a neuroscience-informed 61-day plan to help you quit smoking. It provides daily focused sessions, practical behavior-change tools, and immediate support for cravings with guided exercises and sound therapy. Track your progress, milestones, and money saved throughout your journey.

**Highlights:** 61-day guided quit-smoking program, Daily sound and lesson sessions, Craving SOS with breathing and sound, 20 quick craving tools, Smoke-free timer and progress tracking, Relapse tracking

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $6.99 | per 7 days |
| Yearly | $49.99 | per year |


### CalliShape

[App page](https://appshunter.io/ios/app/callishape/id6813664698)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Defog free?

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

### Is CalliShape free?

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

### Do Defog or CalliShape have ads?

Neither Defog nor CalliShape shows ads.

---

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