# ecofactory vs 잔카

The clearest difference is ads: 잔카 at none against ecofactory's shown. ecofactory's advantage is update cadence (every 3 months vs every 10 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ecofactory ships an update every 3 months, 잔카 every 10 months. Both last shipped on November 7, 2026.

## The numbers

| Metric | ecofactory | 잔카 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 3 months** | Every 10 months |
| Size | 70 MB | 19 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Culture of Beauty co.ltd](https://appshunter.io/developer/1858172464) | [G & Tech Co., Ltd](https://appshunter.io/developer/1524237894) |

## What reviewers say

### ecofactory

[App page](https://appshunter.io/ios/app/ecofactory/id1497823708)

**In-app purchases:** none


### 잔카

[App page](https://appshunter.io/ios/app/id1524237892)

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

**In-app purchases:** none


## Frequently asked questions

### Is ecofactory free?

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

### Is 잔카 free?

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

### Do ecofactory or 잔카 have ads?

ecofactory shows ads; 잔카 does not.

### Which is updated more often, ecofactory or 잔카?

ecofactory ships an update every 3 months, and 잔카 every 10 months. Most recently, ecofactory was updated on November 7, 2026 and 잔카 on November 7, 2026.

---

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