# Science Magnet vs Karma classes

The clearest difference is in-app purchases: Science Magnet at none against Karma classes's 10. Science Magnet also leads on update cadence (every 2 months vs every 10 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Karma classes sells 10 one-off in-app purchases. Science Magnet asks for nothing beyond the download.

Science Magnet ships an update every 2 months, Karma classes every 10 months. The most recent releases landed on October 4, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Science Magnet | Karma classes |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 61.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 10 months |
| Monetization | Free | — |
| Size | 109 MB | 148 MB |
| Requires iOS | **15.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Anuj Gupta](https://appshunter.io/developer/1651060633) | [Online Learning](https://appshunter.io/developer/1790866777) |

## What reviewers say

### Science Magnet

[App page](https://appshunter.io/ios/app/science-magnet/id6733227978)

This educational platform offers science-related learning resources, tutorials, and study materials. It aims to enhance understanding of scientific concepts through interactive lessons and quizzes for students.

**Highlights:** Science learning resources, Tutorials, Study materials, Enhance understanding of scientific concepts, Interactive lessons, Quizzes

**Features:** Vision Pro support

**In-app purchases:** none


### Karma classes

[App page](https://appshunter.io/ios/app/karma-classes/id6743960055)

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Package - AS | $29.99 | one-time |
| Package - AX | $39.99 | one-time |
| Package - BA | $39.99 | one-time |
| Package - BB | $39.99 | one-time |
| Package - BD | $39.99 | one-time |
| Package - AY | $39.99 | one-time |
| Package - AZ | $39.99 | one-time |
| Package - BE | $44.99 | one-time |
| Package - BH | $49.99 | one-time |
| Package - BF | $49.99 | one-time |


## Frequently asked questions

### Is Science Magnet free?

Science Magnet is free to download, with no in-app purchases.

### Is Karma classes free?

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

### Do Science Magnet or Karma classes have ads?

Neither Science Magnet nor Karma classes shows ads.

### Which is updated more often, Science Magnet or Karma classes?

Science Magnet ships an update every 2 months, and Karma classes every 10 months. Most recently, Science Magnet was updated on October 4, 2026 and Karma classes on October 2, 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.*