# Biology Knowledge Quiz vs B.I.S.F.

The clearest difference is in-app purchases: B.I.S.F. at none against Biology Knowledge Quiz's 7. B.I.S.F. also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

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

Biology Knowledge Quiz ships an update every 3 weeks, B.I.S.F. monthly. The most recent releases landed on October 26, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Biology Knowledge Quiz | B.I.S.F. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (160 ratings)](https://appshunter.io/ios/app/biology-knowledge-quiz/id1164603071/reviews)** | — |
| Number of ratings | **160** | — |
| Positive reviews | 42.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 130 MB | 38 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Asad Shoaib](https://appshunter.io/developer/1142302870) | [Hadi Ezzeddine](https://appshunter.io/developer/1638122399) |

## 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 (7)**

| 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 |
| Unlock Topics | $0.99 | one-time |
| Remove Ads | $2.99 | one-time |


### B.I.S.F.

[App page](https://appshunter.io/ios/app/bisf/id6752570292)

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

**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 B.I.S.F. free?

B.I.S.F. is free to download, with no in-app purchases.

### Do Biology Knowledge Quiz or B.I.S.F. have ads?

Biology Knowledge Quiz shows ads; B.I.S.F. does not.

### Which is updated more often, Biology Knowledge Quiz or B.I.S.F.?

Biology Knowledge Quiz ships an update every 3 weeks, and B.I.S.F. monthly. Most recently, Biology Knowledge Quiz was updated on October 26, 2026 and B.I.S.F. on October 22, 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.*