# Escape 4 SDGs vs Environmental Engineering Quiz

The clearest difference is in-app purchases: Escape 4 SDGs at none against Environmental Engineering Quiz's 6. Escape 4 SDGs also leads on iOS requirement (12.0 vs 17.0). On price, update cadence, 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. Escape 4 SDGs asks for nothing beyond the download.

Escape 4 SDGs ships an update every 6 weeks, Environmental Engineering Quiz every 3 months. The most recent releases landed on October 27, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Escape 4 SDGs | Environmental Engineering Quiz |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/environmental-engineering-quiz/id6739960303/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 3 months |
| Monetization | — | Free with in-app purchases |
| Size | 190 MB | 23 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [GIRIFT EGITIM TEKNOLOJILERI YAZILIM VE DANISMANLIK SANAYI VE TICARET LIMITED SIRKETI](https://appshunter.io/developer/1600280720) | [Forwa Elade Wunde](https://appshunter.io/developer/1685241344) |

## What reviewers say

### Escape 4 SDGs

[App page](https://appshunter.io/ios/app/escape-4-sdgs/id6473959177)

**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 Escape 4 SDGs free?

Escape 4 SDGs 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 Escape 4 SDGs or Environmental Engineering Quiz have ads?

Neither Escape 4 SDGs nor Environmental Engineering Quiz shows ads.

### Which is updated more often, Escape 4 SDGs or Environmental Engineering Quiz?

Escape 4 SDGs ships an update every 6 weeks, and Environmental Engineering Quiz every 3 months. Most recently, Escape 4 SDGs was updated on October 27, 2026 and Environmental Engineering Quiz on November 4, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*