# Biology Notes and Dictionary vs Physics Lessons,Topics

The clearest difference is rating: Physics Lessons,Topics at 5.0 against Biology Notes and Dictionary's 3.5. Biology Notes and Dictionary's advantage is in-app purchases (none vs 4) and ads (none vs shown). On price, ratings volume, update cadence and device support there is nothing between them.

Both are free to download. Physics Lessons,Topics sells 4 in-app purchases, starting at $4.99 per 7 days. Biology Notes and Dictionary asks for nothing beyond the download.

Physics Lessons,Topics holds the better App Store score, 5.0 against 3.5. Both are backed by a comparable volume of ratings — 2 and 2 respectively.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 21, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Biology Notes and Dictionary | Physics Lessons,Topics |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (2 ratings)](https://appshunter.io/ios/app/biology-notes-and-dictionary/id6478813012/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/physics-lessonstopics/id6751053588/reviews)** |
| Number of ratings | 2 | 2 |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | — | Free with in-app purchases |
| Size | 36 MB | 39 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Muhammad Faizan Ali Khan](https://appshunter.io/developer/1734026777) | [Ali Umer](https://appshunter.io/developer/1584417594) |

## What reviewers say

### Biology Notes and Dictionary

[App page](https://appshunter.io/ios/app/biology-notes-and-dictionary/id6478813012)

**Features:** macOS Compatibility

**In-app purchases:** none


### Physics Lessons,Topics

[App page](https://appshunter.io/ios/app/physics-lessonstopics/id6751053588)

Master physics concepts with this comprehensive study companion. It offers detailed definitions, step-by-step explanations, formulas, quizzes, and flashcards for over 200 topics. Learn at your own pace, track progress, and study offline.

**Highlights:** 200+ physics topics covered, Detailed definitions and explanations, Practice quizzes with instant feedback, Flashcards for efficient memorization, Progress tracking, Offline access

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Physics Lessons | $4.99 | per 7 days |
| Physics Lessons | $6.99 | per month |
| Physics Lessons | $29.99 | per year |
| Physics Lessons | $49.99 | one-time |


## Frequently asked questions

### Is Biology Notes and Dictionary free?

Biology Notes and Dictionary is free to download, with no in-app purchases.

### Is Physics Lessons,Topics free?

Physics Lessons,Topics is free to download, with in-app purchases available.

### Which has better reviews, Biology Notes and Dictionary or Physics Lessons,Topics?

Physics Lessons,Topics is rated higher. Biology Notes and Dictionary averages 3.5 out of 5 from 2 ratings, while Physics Lessons,Topics averages 5.0 from 2 ratings.

### Do Biology Notes and Dictionary or Physics Lessons,Topics have ads?

Physics Lessons,Topics shows ads; Biology Notes and Dictionary does not.

### Which is updated more often, Biology Notes and Dictionary or Physics Lessons,Topics?

Biology Notes and Dictionary ships an update every 2 months, and Physics Lessons,Topics every 2 months. Most recently, Biology Notes and Dictionary was updated on October 21, 2026 and Physics Lessons,Topics on October 15, 2026.

---

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