# NTK IBDP Biology vs Mastering Physics

The clearest difference is rating: NTK IBDP Biology at 3.0 against Mastering Physics's 1.0. NTK IBDP Biology also leads on update cadence (every 2 days vs every 12 months) and iOS requirement (9.0 vs 18.0). Mastering Physics's advantage is in-app purchases (none vs 3). On price, review sentiment, ratings volume and ads there is nothing between them.

Both are free to download. NTK IBDP Biology sells 3 one-off in-app purchases. Mastering Physics asks for nothing beyond the download.

NTK IBDP Biology holds the better App Store score, 3.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews split almost evenly too, at 0% and 0% positive.

NTK IBDP Biology ships an update every 2 days, Mastering Physics every 12 months. The most recent releases landed on October 4, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | NTK IBDP Biology | Mastering Physics |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/ntk-ibdp-biology/id1306463630/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/mastering-physics/id6468366090/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 12 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 39 MB | 14 MB |
| Requires iOS | **9.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [NTK Academic Group](https://appshunter.io/developer/635797342) | [DEEPPATH LLC](https://appshunter.io/developer/1531915855) |

## What reviewers say

### NTK IBDP Biology

[App page](https://appshunter.io/ios/app/ntk-ibdp-biology/id1306463630)

This app provides comprehensive coverage of IBDP Biology topics for self-study, revision, or classroom use. It features concise explanations, clear diagrams, and definitions of key terms, all reviewed by experienced educators.

**Highlights:** Complete topic coverage, Concise explanations, Clear diagrams, Key term definitions, Reviewed by experts

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| IB Bio SL (Ch 3, 4, 5 and 6) | $9.99 | one-time |
| IB Bio HL (Ch 9, 10 and 11) | $9.99 | one-time |
| IB Bio Option D (D1-D6) | $9.99 | one-time |


### Mastering Physics

[App page](https://appshunter.io/ios/app/mastering-physics/id6468366090)

Master fundamental physics concepts with this comprehensive educational app. It offers detailed theory, visual aids, note-taking capabilities, and practice problems across six key mechanics chapters. Ideal for students and curious learners seeking to deepen their physics understanding.

**Highlights:** 6 in-depth physics chapters, Detailed theory and explanations, Illustrative diagrams and models, In-app note-taking, 120 practice problems, Bookmarking for favorite sections

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

**In-app purchases:** none


## Frequently asked questions

### Is NTK IBDP Biology free?

NTK IBDP Biology is free to download, with in-app purchases available.

### Is Mastering Physics free?

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

### Which has better reviews, NTK IBDP Biology or Mastering Physics?

NTK IBDP Biology is rated higher. NTK IBDP Biology averages 3.0 out of 5 from 1 ratings, while Mastering Physics averages 1.0 from 1 ratings.

### Do NTK IBDP Biology or Mastering Physics have ads?

Neither NTK IBDP Biology nor Mastering Physics shows ads.

### Which is updated more often, NTK IBDP Biology or Mastering Physics?

NTK IBDP Biology ships an update every 2 days, and Mastering Physics every 12 months. Most recently, NTK IBDP Biology was updated on October 4, 2026 and Mastering Physics on October 24, 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.*