# PP+ Image Formation vs Magnetism

The clearest difference is update cadence: PP+ Image Formation at every 3 months against Magnetism's every 33 months. Magnetism's advantage is device support (3 vs 1) and price ($0.99 vs $1.99). On ads and in-app purchases there is nothing between them.

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

PP+ Image Formation ships an update every 3 months, Magnetism every 33 months. The most recent releases landed on October 15, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | PP+ Image Formation | 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 3 months** | Every 33 months |
| Monetization | — | Paid |
| Size | 91 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+ Image Formation

[App page](https://appshunter.io/ios/app/pp-plus-image-formation-lenses/id599292005)

**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+ Image Formation free?

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

### Is Magnetism free?

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

### Do PP+ Image Formation or Magnetism have ads?

Neither PP+ Image Formation nor Magnetism shows ads.

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

PP+ Image Formation ships an update every 3 months, and Magnetism every 33 months. Most recently, PP+ Image Formation was updated on October 15, 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.*