# Zayed Green Challenge vs I like OJ

The clearest difference is in-app purchases: Zayed Green Challenge at none against I like OJ's 4. Zayed Green Challenge also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. I like OJ sells 4 one-off in-app purchases. Zayed Green Challenge asks for nothing beyond the download.

Zayed Green Challenge ships an update every 2 months, I like OJ every 4 months. The most recent releases landed on October 8, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Zayed Green Challenge | I like OJ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/zayed-green-challenge/id1013437617/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Free | — |
| Size | 46 MB | 38 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SHEIKH ZAYED INTERNATIONAL PRIZE FOR THE ENVIRONMENT EST.](https://appshunter.io/developer/1303382587) | [Pupgam Studios](https://appshunter.io/developer/882461557) |

## What reviewers say

### Zayed Green Challenge

[App page](https://appshunter.io/ios/app/zayed-green-challenge/id1013437617)

This application aims to raise environmental awareness by promoting sustainable development goals. It was founded by the Zayed International Foundation for the Environment to recognize and encourage environmental achievements.

**Highlights:** Environmental awareness, Sustainable development goals, Promotes environmental achievements, Founded by Zayed International Foundation

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

**In-app purchases:** none


### I like OJ

[App page](https://appshunter.io/ios/app/i-like-oj-crazy-squeezing/id1193391805)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pack XS | $0.99 | one-time |
| Pack M | $0.99 | one-time |
| Remove ads | $0.99 | one-time |
| Pack L | $1.99 | one-time |


## Frequently asked questions

### Is Zayed Green Challenge free?

Zayed Green Challenge is free to download, with no in-app purchases.

### Is I like OJ free?

I like OJ is free to download, with in-app purchases available.

### Do Zayed Green Challenge or I like OJ have ads?

I like OJ shows ads; Zayed Green Challenge does not.

### Which is updated more often, Zayed Green Challenge or I like OJ?

Zayed Green Challenge ships an update every 2 months, and I like OJ every 4 months. Most recently, Zayed Green Challenge was updated on October 8, 2026 and I like OJ on October 26, 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.*