# OpAmplifiers vs Electronic Circuits Calculator

The clearest difference is ads: OpAmplifiers at none against Electronic Circuits Calculator's shown. OpAmplifiers also leads on monetization model (free vs ad-supported) and iOS requirement (6.0 vs 16.0). On price, update cadence, 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.

OpAmplifiers ships an update every 6 weeks, Electronic Circuits Calculator every 2 months. The most recent releases landed on September 23, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | OpAmplifiers | Electronic Circuits Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/opamplifiers/id700960348/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | **Free** | Ad-supported |
| Size | 3 MB | 21 MB |
| Requires iOS | **6.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kyrill Cousson](https://appshunter.io/developer/478650872) | [ALG Software Lab](https://appshunter.io/developer/1650561236) |

## What reviewers say

### OpAmplifiers

[App page](https://appshunter.io/ios/app/opamplifiers/id700960348)

This app aids electronics students by providing information on operational amplifier applications, including schematics, formulas, and component calculations. It offers a simple interface to revise key concepts and check amplifier pinouts.

**Highlights:** Operational amplifier application revision, Schematics and input value display, Formula lookup, Component value calculation, Amplifier pinout checking, Supports multiple op-amp circuit types

**Features:** macOS Compatibility

**In-app purchases:** none


### Electronic Circuits Calculator

[App page](https://appshunter.io/ios/app/electronic-circuits-calculator/id6444422711)

This comprehensive electronics toolkit offers over 130 interactive calculators, circuit tools, and guides. It's designed for users of all levels, from beginners to professionals, to assist with learning, prototyping, and quick calculations in electronics engineering.

**Highlights:** Over 130 interactive calculators, Circuit tools and guides, Step-by-step explanations and formulas, Ideal for learning and prototyping, Light and dark mode support, Available in 14 languages

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

**In-app purchases:** none


## Frequently asked questions

### Is OpAmplifiers free?

OpAmplifiers is free to download, with no in-app purchases.

### Is Electronic Circuits Calculator free?

Electronic Circuits Calculator is free to download, with no in-app purchases.

### Do OpAmplifiers or Electronic Circuits Calculator have ads?

Electronic Circuits Calculator shows ads; OpAmplifiers does not.

### Which is updated more often, OpAmplifiers or Electronic Circuits Calculator?

OpAmplifiers ships an update every 6 weeks, and Electronic Circuits Calculator every 2 months. Most recently, OpAmplifiers was updated on September 23, 2026 and Electronic Circuits Calculator on September 24, 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.*