# Physics Answers vs Karunya Physics Classes

The clearest difference is in-app purchases: Karunya Physics Classes at none against Physics Answers's 2. Physics Answers's advantage is iOS requirement (11.4 vs 15). On price, ads and device support there is nothing between them.

Both are free to download. Physics Answers sells 2 in-app purchases, starting at $9.99 per month. Karunya Physics Classes asks for nothing beyond the download.

## The numbers

| Metric | Physics Answers | Karunya Physics Classes |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Size | 111 MB | 158 MB |
| Requires iOS | **11.4** | 15 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Biobrain Learning Pty Ltd](https://appshunter.io/developer/1371680532) | [R K Infotech](https://appshunter.io/developer/859792762) |

## What reviewers say

### Physics Answers

[App page](https://appshunter.io/ios/app/physics-answers-ap-physics/id1510694550)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All Content | $9.99 | per month |
| All Content | $49.99 | per year |


### Karunya Physics Classes

[App page](https://appshunter.io/ios/app/karunya-physics-classes/id6762608012)

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

**In-app purchases:** none


## Frequently asked questions

### Is Physics Answers free?

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

### Is Karunya Physics Classes free?

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

### Do Physics Answers or Karunya Physics Classes have ads?

Neither Physics Answers nor Karunya Physics Classes shows ads.

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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.*