# A vs Physics Lessons,Topics

The clearest difference is ads: A at none against Physics Lessons,Topics's shown. A also leads on update cadence (every 2 weeks vs every 2 months). Physics Lessons,Topics's advantage is iOS requirement (12.0 vs 18.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. A sells 1 one-off in-app purchase and Physics Lessons,Topics sells 4 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

A ships an update every 2 weeks, Physics Lessons,Topics every 2 months. The most recent releases landed on September 14, 2026 and July 18, 2026 respectively.

## The numbers

| Metric | A | Physics Lessons,Topics |
| --- | --- | --- |
| 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 | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | — | Free with in-app purchases |
| Size | 271 MB | 39 MB |
| Requires iOS | 18.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ogumo Co., Ltd.](https://appshunter.io/developer/1289277557) | [Ali Umer](https://appshunter.io/developer/1584417594) |

## What reviewers say

### A

[App page](https://appshunter.io/ios/app/a-physics-mechanics/id6670272249)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hide ads | $5.99 | one-time |


### 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 A free?

A is free to download, with in-app purchases available.

### Is Physics Lessons,Topics free?

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

### Do A or Physics Lessons,Topics have ads?

Physics Lessons,Topics shows ads; A does not.

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

A ships an update every 2 weeks, and Physics Lessons,Topics every 2 months. Most recently, A was updated on September 14, 2026 and Physics Lessons,Topics on July 18, 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.*