# CloudLabs Environmental impact vs Environmental Engineering Quiz

The clearest difference is in-app purchases: CloudLabs Environmental impact at none against Environmental Engineering Quiz's 6. CloudLabs Environmental impact also leads on iOS requirement (10.0 vs 17.0). Environmental Engineering Quiz's advantage is update cadence (every 3 months vs every 13 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. CloudLabs Environmental impact asks for nothing beyond the download.

CloudLabs Environmental impact ships an update every 13 months, Environmental Engineering Quiz every 3 months. The most recent releases landed on September 13, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | CloudLabs Environmental impact | 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 13 months | **Every 3 months** |
| Monetization | — | Free with in-app purchases |
| Size | 156 MB | 23 MB |
| Requires iOS | **10.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Jiovany Orozco](https://appshunter.io/developer/1114670847) | [Forwa Elade Wunde](https://appshunter.io/developer/1685241344) |

## What reviewers say

### CloudLabs Environmental impact

[App page](https://appshunter.io/ios/app/cloudlabs-environmental-impact/id6448051436)

**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 CloudLabs Environmental impact free?

CloudLabs Environmental impact 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 CloudLabs Environmental impact or Environmental Engineering Quiz have ads?

Neither CloudLabs Environmental impact nor Environmental Engineering Quiz shows ads.

### Which is updated more often, CloudLabs Environmental impact or Environmental Engineering Quiz?

CloudLabs Environmental impact ships an update every 13 months, and Environmental Engineering Quiz every 3 months. Most recently, CloudLabs Environmental impact was updated on September 13, 2026 and Environmental Engineering Quiz on June 1, 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.*