# Operational Amplifiers Pro vs Printed Circuit Board Designer

The clearest difference is price: Operational Amplifiers Pro at $4.99 against Printed Circuit Board Designer's $12.99. Operational Amplifiers Pro also leads on chart position (#188 vs unranked). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Operational Amplifiers Pro costs $4.99 and Printed Circuit Board Designer $12.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Operational Amplifiers Pro | Printed Circuit Board Designer |
| --- | --- | --- |
| Price | **$4.99** | $12.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/operational-amplifiers-pro/id6467253953/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Paid | — |
| Best chart rank | **#188** | — |
| Size | 14 MB | 5 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ALG Software Lab](https://appshunter.io/developer/1650561236) | [Yuhsiu Lai](https://appshunter.io/developer/433114647) |

## What reviewers say

### Operational Amplifiers Pro

[App page](https://appshunter.io/ios/app/operational-amplifiers-pro/id6467253953)

**Currently charting:** #188 Top Paid · Utilities (US App Store)

This app provides interactive calculators and reference information for designing and analyzing op-amp circuits. It offers step-by-step explanations and technical data on popular op-amp series, aiding students and engineers in circuit development and prototyping.

**Highlights:** Interactive op-amp circuit calculators, Step-by-step explanations and formulas, Reference data on op-amps and comparators, Support for 14 languages, Light and dark mode, Advanced calculators and circuit guides (Pro), Full-text search (Pro)

**Features:** Vision Pro support

**In-app purchases:** none


### Printed Circuit Board Designer

[App page](https://appshunter.io/ios/app/printed-circuit-board-designer/id6781058611)

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

**In-app purchases:** none


## Frequently asked questions

### Is Operational Amplifiers Pro free?

Operational Amplifiers Pro costs $4.99, with no in-app purchases.

### Is Printed Circuit Board Designer free?

Printed Circuit Board Designer costs $12.99, with no in-app purchases.

### Do Operational Amplifiers Pro or Printed Circuit Board Designer have ads?

Neither Operational Amplifiers Pro nor Printed Circuit Board Designer shows 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.*