# Mars（マーズ） vs Quit Smoking

The clearest difference is ads: Mars（マーズ） at none against Quit Smoking's shown. Mars（マーズ） also leads on iOS requirement (8.0 vs 15.0). Quit Smoking's advantage is update cadence (every 9 days vs every 40 months). 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.

Mars（マーズ） ships an update every 40 months, Quit Smoking every 9 days. The most recent releases landed on October 7, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Mars（マーズ） | Quit Smoking |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 40 months | **Every 9 days** |
| Size | 3 MB | 39 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Naoya Takahashi](https://appshunter.io/developer/1301211980) | [RYOJI TAKAHASHI](https://appshunter.io/developer/1893085921) |

## What reviewers say

### Mars（マーズ）

[App page](https://appshunter.io/ios/app/mars/id1522636181)

**Features:** macOS Compatibility

**In-app purchases:** none


### Quit Smoking

[App page](https://appshunter.io/ios/app/quit-smoking-angel-and-devil/id6765849820)

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

**In-app purchases:** none


## Frequently asked questions

### Is Mars（マーズ） free?

Mars（マーズ） is free to download, with no in-app purchases.

### Is Quit Smoking free?

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

### Do Mars（マーズ） or Quit Smoking have ads?

Quit Smoking shows ads; Mars（マーズ） does not.

### Which is updated more often, Mars（マーズ） or Quit Smoking?

Mars（マーズ） ships an update every 40 months, and Quit Smoking every 9 days. Most recently, Mars（マーズ） was updated on October 7, 2026 and Quit Smoking on October 25, 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.*