# KOCHAN vs Quit Smoking & Zyn

The clearest difference is update cadence: KOCHAN at every 10 days against Quit Smoking & Zyn's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. KOCHAN sells 6 one-off in-app purchases 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.

KOCHAN ships an update every 10 days, Quit Smoking & Zyn every 2 months. The most recent releases landed on September 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | KOCHAN | Quit Smoking & Zyn |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 2 months |
| Size | 60 MB | 69 MB |
| Requires iOS | 15.1 | **14.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [AMF GROUP SPORT SERVICE TRADING JOINT STOCK COMPANY](https://appshunter.io/developer/1724036382) | [Manuel Roth](https://appshunter.io/developer/1441944332) |

## What reviewers say

### KOCHAN

[App page](https://appshunter.io/ios/app/kochan/id6475354598)

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ĐÀO TẠO NÂNG CẤP HLV TỈNH | $12.99 | one-time |
| ĐÀO TẠO NÂNG CẤP HLV | $14.99 | one-time |
| ĐÀO TẠO NÂNG CẤP HLV CẤP TỐC | $29.99 | one-time |
| Dinh dưỡng cơ bản K03 | $99.99 | one-time |
| Định vị bản thân K02 | $99.99 | one-time |
| Trigger point K04 | $229.99 | one-time |


### 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 KOCHAN free?

KOCHAN 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 KOCHAN or Quit Smoking & Zyn have ads?

Neither KOCHAN nor Quit Smoking & Zyn shows ads.

### Which is updated more often, KOCHAN or Quit Smoking & Zyn?

KOCHAN ships an update every 10 days, and Quit Smoking & Zyn every 2 months. Most recently, KOCHAN was updated on September 26, 2026 and Quit Smoking & Zyn 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.*