# Physics Lessons,Topics vs Octahub+

The clearest difference is in-app purchases: Octahub+ at none against Physics Lessons,Topics's 4. Octahub+ also leads on ads (none vs shown) and update cadence (weekly vs every 2 months). Physics Lessons,Topics's advantage is iOS requirement (12.0 vs 15.1). On price 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. Octahub+ asks for nothing beyond the download.

Physics Lessons,Topics ships an update every 2 months, Octahub+ weekly. The most recent releases landed on October 15, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Physics Lessons,Topics | Octahub+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/physics-lessonstopics/id6751053588/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 39 MB | 37 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ali Umer](https://appshunter.io/developer/1584417594) | [Octagonware UG (haftungsbeschränkt)](https://appshunter.io/developer/1850476488) |

## What reviewers say

### 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 |


### Octahub+

[App page](https://appshunter.io/ios/app/octahub-plus/id6754847788)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Physics Lessons,Topics free?

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

### Is Octahub+ free?

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

### Do Physics Lessons,Topics or Octahub+ have ads?

Physics Lessons,Topics shows ads; Octahub+ does not.

### Which is updated more often, Physics Lessons,Topics or Octahub+?

Physics Lessons,Topics ships an update every 2 months, and Octahub+ weekly. Most recently, Physics Lessons,Topics was updated on October 15, 2026 and Octahub+ on October 17, 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.*