# Planet Masdar vs Environmental Engineering Quiz

The clearest difference is rating: Environmental Engineering Quiz at 5.0 against Planet Masdar's 3.0. Environmental Engineering Quiz also leads on ratings volume (3 vs 1). Planet Masdar's advantage is in-app purchases (none vs 6) and update cadence (fortnightly vs every 3 months). 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. Planet Masdar asks for nothing beyond the download.

Environmental Engineering Quiz holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 3 respectively.

Planet Masdar ships an update fortnightly, Environmental Engineering Quiz every 3 months. The most recent releases landed on October 7, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Planet Masdar | Environmental Engineering Quiz |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (1 ratings)](https://appshunter.io/ios/app/planet-masdar/id1072374411/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/environmental-engineering-quiz/id6739960303/reviews)** |
| Number of ratings | 1 | **3** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 277 MB | 23 MB |
| Requires iOS | **8.4** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Abu Dhabi Future Energy Company - Masdar](https://appshunter.io/developer/1112423595) | [Forwa Elade Wunde](https://appshunter.io/developer/1685241344) |

## What reviewers say

### Planet Masdar

[App page](https://appshunter.io/ios/app/planet-masdar/id1072374411)

Guide a growing population on a new planet by sustainably managing food, water, and energy resources. Learn about environmental responsibility and resource management through engaging gameplay.

**Highlights:** Sustainable resource management, Population growth simulation, Environmental education, Resource allocation challenges, Interactive gameplay

**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 Planet Masdar free?

Planet Masdar 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.

### Which has better reviews, Planet Masdar or Environmental Engineering Quiz?

Environmental Engineering Quiz is rated higher. Planet Masdar averages 3.0 out of 5 from 1 ratings, while Environmental Engineering Quiz averages 5.0 from 3 ratings.

### Do Planet Masdar or Environmental Engineering Quiz have ads?

Neither Planet Masdar nor Environmental Engineering Quiz shows ads.

### Which is updated more often, Planet Masdar or Environmental Engineering Quiz?

Planet Masdar ships an update fortnightly, and Environmental Engineering Quiz every 3 months. Most recently, Planet Masdar was updated on October 7, 2026 and Environmental Engineering Quiz on October 21, 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.*