# Z/Yen vs Cities Climate Action Summit

The clearest difference is iOS requirement: Z/Yen at 13.0 against Cities Climate Action Summit's 15.5. On price, ads, 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.

## The numbers

| Metric | Z/Yen | Cities Climate Action Summit |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 7 months |
| Size | 8 MB | 52 MB |
| Requires iOS | **13.0** | 15.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Z/Yen Group Ltd.](https://appshunter.io/developer/910471380) | [gther ltd](https://appshunter.io/developer/1668079599) |

## What reviewers say

### Z/Yen

[App page](https://appshunter.io/ios/app/zyen/id6478314985)

**Features:** macOS Compatibility

**In-app purchases:** none


### Cities Climate Action Summit

[App page](https://appshunter.io/ios/app/cities-climate-action-summit/id6498714120)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Z/Yen free?

Z/Yen is free to download, with no in-app purchases.

### Is Cities Climate Action Summit free?

Cities Climate Action Summit is free to download, with no in-app purchases.

### Do Z/Yen or Cities Climate Action Summit have ads?

Neither Z/Yen nor Cities Climate Action Summit 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.*