# Operational Amplifiers Guide vs Series Parallel Calculator

The clearest difference is iOS requirement: Series Parallel Calculator at 12.0 against Operational Amplifiers Guide's 16.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Operational Amplifiers Guide | Series Parallel Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (2 ratings)](https://appshunter.io/ios/app/series-parallel-calculator/id6737332345/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | — |
| Monetization | — | Ad-supported |
| Size | 17 MB | 30 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ALG Software Lab](https://appshunter.io/developer/1650561236) | [Muhammad Awais Younas](https://appshunter.io/developer/1771187232) |

## What reviewers say

### Operational Amplifiers Guide

[App page](https://appshunter.io/ios/app/operational-amplifiers-guide/id6467499897)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Series Parallel Calculator

[App page](https://appshunter.io/ios/app/series-parallel-calculator/id6737332345)

Calculate resistors, capacitors, and inductors in series and parallel circuits. This tool simplifies complex electrical circuit analysis for professionals and students, providing instant, accurate results for various configurations.

**Highlights:** Series and parallel calculations, Resistor, capacitor, and inductor calculation, Mixed circuit solver, User-friendly interface, Instant results, Circuit analysis

**In-app purchases:** none


## Frequently asked questions

### Is Operational Amplifiers Guide free?

Operational Amplifiers Guide is free to download, with no in-app purchases.

### Is Series Parallel Calculator free?

Series Parallel Calculator is free to download, with no in-app purchases.

### Do Operational Amplifiers Guide or Series Parallel Calculator have ads?

Both Operational Amplifiers Guide and Series Parallel Calculator show ads.

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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.*