# PP+ Series vs Electrical Quantities

The clearest difference is device support: Electrical Quantities at 3 against PP+ Series's 1. Electrical Quantities 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 Electrical Quantities $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, Electrical Quantities every 32 months. The most recent releases landed on September 10, 2026 and June 6, 2026 respectively.

## The numbers

| Metric | PP+ Series | Electrical Quantities |
| --- | --- | --- |
| Price | $1.99 | **$0.99** |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/electrical-quantities-circuit/id1161304158/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 | 118 MB | 22 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


### Electrical Quantities

[App page](https://appshunter.io/ios/app/electrical-quantities-circuit/id1161304158)

This app teaches K12 students fundamental electrical concepts like voltage, resistance, and current through interactive diagrams, virtual experiments, and animations. It includes modules for learning, practicing circuit building, and testing knowledge with quizzes.

**Highlights:** Interactive circuit diagrams, Virtual experiments with 3D animations, Ohm's triangle calculations, Conductor and insulator identification, Interactive quizzes, Gamified learning model

**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 Electrical Quantities free?

Electrical Quantities costs $0.99, with no in-app purchases.

### Do PP+ Series or Electrical Quantities have ads?

Neither PP+ Series nor Electrical Quantities shows ads.

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

PP+ Series ships an update every 29 months, and Electrical Quantities every 32 months. Most recently, PP+ Series was updated on September 10, 2026 and Electrical Quantities on June 6, 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.*