# Biology Knowledge Quiz vs W2O

The clearest difference is review sentiment: W2O at 100% against Biology Knowledge Quiz's 43%. W2O also leads on in-app purchases (none vs 5) and ads (none vs shown). Biology Knowledge Quiz's advantage is update cadence (every 3 weeks vs every 24 months) and ratings volume (161 vs 3). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Biology Knowledge Quiz sells 5 in-app purchases, starting at $3.99 per 7 days. W2O asks for nothing beyond the download.

W2O holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Biology Knowledge Quiz has 161 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 43% of Biology Knowledge Quiz's written reviews are positive against 100% of W2O's.

Biology Knowledge Quiz ships an update every 3 weeks, W2O every 24 months. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Biology Knowledge Quiz | W2O |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (161 ratings)](https://appshunter.io/ios/app/biology-knowledge-quiz/id1164603071/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/w2o/id1556719456/reviews)** |
| Number of ratings | **161** | 3 |
| Positive reviews | 42.9% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 24 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 130 MB | 8 MB |
| Requires iOS | 15.0 | **14.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Asad Shoaib](https://appshunter.io/developer/1142302870) | [Bjorn Grigholm](https://appshunter.io/developer/1556719458) |

## What reviewers say

### Biology Knowledge Quiz

[App page](https://appshunter.io/ios/app/biology-knowledge-quiz/id1164603071)

Test and improve your understanding of biology with comprehensive quizzes covering major fields. Engage in interactive gameplay with immediate feedback and compete with others globally. Ideal for students and lifelong learners seeking to deepen their biological knowledge.

**Highlights:** Comprehensive Biology Topics, Interactive Gameplay with Feedback, Multiplayer Mode, User-Friendly Design, Covers Cell Biology, Genetics, Ecology, and more

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro - No Ads & Unlock Topics | $3.99 | per 7 days |
| Pro - No Ads & Unlock Topics | $9.99 | per month |
| Pro - No Ads & Unlock Topics | $19.99 | per year |
| Reset Timer | $0.99 | one-time |
| Half Eliminator | $0.99 | one-time |


### W2O

[App page](https://appshunter.io/ios/app/w2o/id1556719456)

Access a wealth of ocean-related content, including weekly radio episodes, blog posts on policy and action, and a digital magazine exploring ocean culture and solutions. Stay informed about initiatives and join a global community dedicated to ocean health and sustainability.

**Highlights:** Weekly radio episodes on ocean issues, Blog on ocean policy and action, Digital magazine on ocean culture, Monthly newsletter updates, Global community for ocean conservation

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Biology Knowledge Quiz free?

Biology Knowledge Quiz is free to download, with in-app purchases available.

### Is W2O free?

W2O is free to download, with no in-app purchases.

### Which has better reviews, Biology Knowledge Quiz or W2O?

W2O is rated higher. Biology Knowledge Quiz averages 4.7 out of 5 from 161 ratings, while W2O averages 5.0 from 3 ratings.

### Do Biology Knowledge Quiz or W2O have ads?

Biology Knowledge Quiz shows ads; W2O does not.

### Which is updated more often, Biology Knowledge Quiz or W2O?

Biology Knowledge Quiz ships an update every 3 weeks, and W2O every 24 months. Most recently, Biology Knowledge Quiz was updated on November 6, 2026 and W2O on November 3, 2026.

---

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