# PP+ RC Circuits vs Electromagnetic Forces

The clearest difference is device support: Electromagnetic Forces at 3 against PP+ RC Circuits's 1. Electromagnetic Forces 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+ RC Circuits costs $1.99 and Electromagnetic Forces $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

PP+ RC Circuits ships an update every 29 months, Electromagnetic Forces every 32 months. The most recent releases landed on September 6, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | PP+ RC Circuits | Electromagnetic Forces |
| --- | --- | --- |
| Price | $1.99 | **$0.99** |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/electromagnetic-forces-emf/id1159691990/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 29 months** | Every 32 months |
| Monetization | — | Paid |
| Size | 180 MB | 25 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+ RC Circuits

[App page](https://appshunter.io/ios/app/pp-plus-rc-circuits/id804726243)

**Features:** macOS Compatibility

**In-app purchases:** none


### Electromagnetic Forces

[App page](https://appshunter.io/ios/app/electromagnetic-forces-emf/id1159691990)

This educational app uses interactive 3D animations and experiments to explain electromagnetism and cathode rays for K12 students. It covers Fleming's left-hand rule, cathode ray structure, and the Cathode Ray Oscilloscope, with practice exercises and quizzes to reinforce learning.

**Highlights:** Interactive 3D animations, Explains Fleming's left-hand rule, Demonstrates cathode ray structure, Illustrates Cathode Ray Oscilloscope, Practice exercises, Interactive quizzes

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PP+ RC Circuits free?

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

### Is Electromagnetic Forces free?

Electromagnetic Forces costs $0.99, with no in-app purchases.

### Do PP+ RC Circuits or Electromagnetic Forces have ads?

Neither PP+ RC Circuits nor Electromagnetic Forces shows ads.

### Which is updated more often, PP+ RC Circuits or Electromagnetic Forces?

PP+ RC Circuits ships an update every 29 months, and Electromagnetic Forces every 32 months. Most recently, PP+ RC Circuits was updated on September 6, 2026 and Electromagnetic Forces on September 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.*