# PP+ Series vs Magnetism

The clearest difference is device support: Magnetism at 3 against PP+ Series's 1. Magnetism also leads on price ($0.99 vs $1.99) and iOS requirement (12.0 vs 18.0). On update cadence, ads and in-app purchases there is nothing between them.

PP+ Series costs $1.99 and Magnetism $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

PP+ Series ships an update every 29 months, Magnetism every 33 months. The most recent releases landed on September 27, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | PP+ Series | Magnetism |
| --- | --- | --- |
| Price | $1.99 | **$0.99** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/magnetism-physics/id1161368366/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 29 months** | Every 33 months |
| Monetization | — | Paid |
| Size | 118 MB | 27 MB |
| Requires iOS | 18.0 | **12.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Polyhedron Learning Media, Inc.](https://appshunter.io/developer/458882328) | [www.ajaxmediatech.com](https://appshunter.io/developer/973768003) |

## What reviewers say

### PP+ Series

[App page](https://appshunter.io/ios/app/pp-plus-series-parallel-circuits/id599293156)

**Features:** macOS Compatibility

**In-app purchases:** none


### Magnetism

[App page](https://appshunter.io/ios/app/magnetism-physics/id1161368366)

Explore the principles of permanent magnets and magnetic materials with interactive animations and diagrams. Learn about magnetization and demagnetization methods, and test your knowledge with quizzes. Designed for K12 physics students to easily grasp complex concepts.

**Highlights:** Permanent magnet fundamentals, Magnetization and demagnetization, Interactive 3D animations, Virtual experiments, Electromagnetism quizzes, Diagrams and graphical representations

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PP+ Series free?

PP+ Series costs $1.99, with no in-app purchases.

### Is Magnetism free?

Magnetism costs $0.99, with no in-app purchases.

### Do PP+ Series or Magnetism have ads?

Neither PP+ Series nor Magnetism shows ads.

### Which is updated more often, PP+ Series or Magnetism?

PP+ Series ships an update every 29 months, and Magnetism every 33 months. Most recently, PP+ Series was updated on September 27, 2026 and Magnetism on October 8, 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.*