Operational amplifier tools

Developer: Peter Ho

Category: Education

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10.3K installs

Ratings not yet available

658 monthly active users

$<10K monthly revenue est.

IAP 100% · Ad 0%

Install Trends

Weekly +529

Trending

Monthly +598

Trending

Operational amplifier tools Summary

Operational amplifier tools is a with in-app purchases Android app in Education by Peter Ho. Released in Mar 2022 (4 years ago). It has about 10.3K+ installs Based on AppGoblin estimates, it reaches roughly 658 monthly active users and generates around $<10K monthly revenue (100% IAP / 0% ads). Store metadata: updated Mar 16, 2026.

Recent activity: 529 installs this week (598 over 4 weeks) showing exceptional growth View trends →

Store info: Last updated on Google Play on Mar 16, 2026 .

SDKs, Trackers & Permissions

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App Details

Store ID: com.peterhohsy.opamp_tools

First Released: 2022-03-28

Store Last Updated: 2026-03-16

In-App Purchases: Yes

Ads: No

Website: peterho386.weebly.com

App Store

Crawl Status: Success

AppGoblin First Crawled: 2023-10-17

AppGoblin Last Crawled: 2026-04-06

Ads & App-Ads.txt

App does not have ads.

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App not yet analyzed for SDKs.

The download and scan process is automated but can require manual troubleshooting. Feel free to reach out if your request does not complete in 24hrs or if you have any questions.

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App Description

Operational amplifier calculators

An operational amplifier (often op-amp or opamp) is a DC-coupled high-gain electronic voltage amplifier with a differential input. It is the basic building block in analog circuits.

This app is a collection of operational amplifier calculators including inverting amplifier, non-inverting amplifier, comparators, filters, oscillators etc. It is suitable for hobbyist, electronic engineers or professionals.

Features
* Inverting amplifier
* Non-inverting amplifier
* Differential amplifier
* Summing amplifier
* Inverting comparator
* First order filter
* 2nd-order filter (HPF)
* Phase-shift oscillator
* Colpitts oscillator
* Limit 5 combinations of component values
* Support English, German, French, Italian, Spanish, Portuguese, Japanese, Korean, Traditional Chinese, Simplified Chinese, Russian, Hindi, Indonesian, Malay, Thai, Turkish, Vietnamese

PRO features
* Instrumentation amplifier
* Non-inverting comparator
* 2nd-order filter (LPF)
* Wien bridge oscillator
* Hartley oscillator
* No Ads
* No limitation of component values
* Selectable 1%,5%,10%,20% of values

Note :
1. For those who need support please email to the designated email.
Do NOT use either the feedback area to write questions, it is not appropriate and that is not guaranteed that can read them.

All trade names mentioned in this app or the other documentation provided by this app are trademarks or registered trademarks of their respective holder. This app is not related or affiliated in any way these companies.