# UNZN (CO2Network) vs Prettykeep

The clearest difference is in-app purchases: Prettykeep at none against UNZN (CO2Network)'s 8. Prettykeep also leads on device support (3 vs 1) and iOS requirement (12.0 vs 17.0). On price and ads there is nothing between them.

Both are free to download. UNZN (CO2Network) sells 7 in-app purchases, starting at $10.00 per month. Prettykeep asks for nothing beyond the download.

## The numbers

| Metric | UNZN (CO2Network) | Prettykeep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Size | 241 MB | 19 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [CO2 Network Inc.](https://appshunter.io/developer/1695107694) | [RAMITA KOREA](https://appshunter.io/developer/1865069987) |

## What reviewers say

### UNZN (CO2Network)

[App page](https://appshunter.io/ios/app/unzn-co2network/id6450908821)

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| UNZN Merchant Subscription | $10.00 | per month |
| UNZN Merchant Subscription | $100.00 | per year |
| 15,000p | $9.99 | one-time |
| Citizen Membership | $9.99 | one-time |
| 50,000p | $29.99 | one-time |
| 100,000p | $59.99 | one-time |
| 350,000p | $199.99 | one-time |


### Prettykeep

[App page](https://appshunter.io/ios/app/prettykeep/id6757173842)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is UNZN (CO2Network) free?

UNZN (CO2Network) is free to download, with in-app purchases available.

### Is Prettykeep free?

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

### Do UNZN (CO2Network) or Prettykeep have ads?

Neither UNZN (CO2Network) nor Prettykeep 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.*