# Environmental change vs Environmental Engineering Quiz

The clearest difference is in-app purchases: Environmental change at none against Environmental Engineering Quiz's 6. Environmental change also leads on iOS requirement (9.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Environmental Engineering Quiz sells 6 in-app purchases, starting at $9.99 per month. Environmental change asks for nothing beyond the download.

## The numbers

| Metric | Environmental change | Environmental Engineering Quiz |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/environmental-engineering-quiz/id6739960303/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 3 months |
| Monetization | — | Free with in-app purchases |
| Size | 43 MB | 23 MB |
| Requires iOS | **9.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [DANMAR COMPUTERS SP Z O O](https://appshunter.io/developer/1433978970) | [Forwa Elade Wunde](https://appshunter.io/developer/1685241344) |

## What reviewers say

### Environmental change

[App page](https://appshunter.io/ios/app/environmental-change/id6443677096)

**Features:** macOS Compatibility

**In-app purchases:** none


### Environmental Engineering Quiz

[App page](https://appshunter.io/ios/app/environmental-engineering-quiz/id6739960303)

Master environmental engineering concepts with engaging quizzes covering wastewater treatment, air pollution, and more. Features timed challenges, practice modes, detailed analytics, and offline access. Ideal for students and professionals seeking to enhance their knowledge.

**Highlights:** Comprehensive topic coverage, Expert-designed challenging questions, Real-time feedback and explanations, Multiple quiz modes, Detailed progress analytics, Offline access

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month | $9.99 | per month |
| 6 Months | $19.99 | per 6 months |
| 1 Year | $29.99 | per year |
| 1500 | $0.99 | one-time |
| 3500 | $1.99 | one-time |
| 9000 | $3.99 | one-time |


## Frequently asked questions

### Is Environmental change free?

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

### Is Environmental Engineering Quiz free?

Environmental Engineering Quiz is free to download, with in-app purchases available.

### Do Environmental change or Environmental Engineering Quiz have ads?

Neither Environmental change nor Environmental Engineering Quiz 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.*