# Environmental Engineering Quiz vs Environmental Engineering PRO

The clearest difference is price: Environmental Engineering Quiz at Free against Environmental Engineering PRO's $0.49. Environmental Engineering PRO's advantage is in-app purchases (none vs 6) and iOS requirement (13.0 vs 17.0). On update cadence, ads and device support there is nothing between them.

Environmental Engineering Quiz is free to download; Environmental Engineering PRO costs $0.49 up front. Environmental Engineering Quiz sells 6 in-app purchases, starting at $9.99 per month. Environmental Engineering PRO asks for nothing beyond the download.

Environmental Engineering Quiz ships an update every 3 months, Environmental Engineering PRO every 5 months. The most recent releases landed on June 1, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Environmental Engineering Quiz | Environmental Engineering PRO |
| --- | --- | --- |
| Price | **Free** | $0.49 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/environmental-engineering-quiz/id6739960303/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 5 months |
| Monetization | Free with in-app purchases | — |
| Size | 23 MB | 23 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Forwa Elade Wunde](https://appshunter.io/developer/1685241344) | [Manish Kumar](https://appshunter.io/developer/1854995154) |

## What reviewers say

### 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 |


### Environmental Engineering PRO

[App page](https://appshunter.io/ios/app/environmental-engineering-pro/id6759217834)

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

**In-app purchases:** none


## Frequently asked questions

### Is Environmental Engineering Quiz free?

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

### Is Environmental Engineering PRO free?

Environmental Engineering PRO costs $0.49, with no in-app purchases.

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

Neither Environmental Engineering Quiz nor Environmental Engineering PRO shows ads.

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

Environmental Engineering Quiz ships an update every 3 months, and Environmental Engineering PRO every 5 months. Most recently, Environmental Engineering Quiz was updated on June 1, 2026 and Environmental Engineering PRO on September 17, 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.*