# RC Circuit Pro

> Calculates RC charging, discharging, and filter circuits for electronics. (iPhone/iPad app by Siu Yuen Ho.)

- Source: https://appshunter.io/ios/app/rc-circuit-pro/id824145786 (this page in markdown: same URL + `.md`)
- Developer: [Siu Yuen Ho](https://appshunter.io/developer/814088527)
- Category: Utilities
- Price: $0.99
- Rating: 1.00/5 from 1 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 9.0 · 17 MB
- Languages: American English, French (France), German (Germany), Italian, Japanese, European Portuguese, Chinese (Simplified, China), European Spanish, Chinese (Traditional, Taiwan)
- Released: 2014-02-26
- Data updated: 2026-06-04
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/rc-circuit-pro/id824145786/reviews.md

## What is RC Circuit Pro?

This app is used to calculate the RC charging and RC filter circuit. It is suitable for hobbyist or electronic engineer.

Features
* Calculate time constant from R, C
* Find component value R,C from time constant
* Get voltage at time t in RC charging / discharging
* Calculate cutoff frequency by R, C
* Find component value R,C from cutoff frequency
* Save data to CSV files
* Upload CSV via AirDrop / iCloud Drive
* Support English, German, French, Italian, Spanish, Portuguese, Japanese, Traditional Chinese, Simplified Chinese

## Key features

- Calculate time constant
- Find component values (R, C)
- Determine voltage at time t
- Calculate cutoff frequency
- Save data to CSV
- Export data via AirDrop/iCloud Drive

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/rc-circuit-pro/id824145786/reviews.md

### 5/5 — RC circuit pro is very good

*2020-02-28*

Very useful app

## Frequently asked questions about RC Circuit Pro

### What is RC Circuit Pro used for?

RC Circuit Pro is used to calculate RC charging, discharging, and filter circuits. It helps users determine time constants, component values, and cutoff frequencies for electronic circuits.

### What devices does RC Circuit Pro support?

RC Circuit Pro supports iPhone, iPad, and iPod devices. It is designed for use on Apple's mobile operating systems.

### How much does RC Circuit Pro cost?

RC Circuit Pro is a paid application priced at $0.99. This one-time purchase grants access to all its features.

### Does RC Circuit Pro have ads?

No, RC Circuit Pro does not contain advertisements. It is a paid app that offers an ad-free experience.

### How often is RC Circuit Pro updated?

RC Circuit Pro was last updated on March 25, 2024, with version 2.8.0. This indicates the app is actively maintained by its developer.

### What languages does RC Circuit Pro support?

RC Circuit Pro supports multiple languages including English, German, French, Italian, Spanish, Portuguese, Japanese, Traditional Chinese, and Simplified Chinese.

### Can I save my circuit calculations with RC Circuit Pro?

Yes, RC Circuit Pro allows you to save your circuit data to CSV files. These files can then be uploaded via AirDrop or iCloud Drive for further analysis or sharing.

### What is the age rating for RC Circuit Pro?

RC Circuit Pro has an age rating of 4+. This suggests it is suitable for a wide range of users, including younger individuals interested in electronics.

## Version history (last 5 releases)

### 2.8.0 — 2024-03-25

Fix minor bugs

### 2.7.5 — 2021-05-13

Fix minor bugs

### 2.6.5 — 2021-01-02

Charts function are added

### 2.4.0 — 2019-12-28

- Support dark mode
- Fix minor bugs

### 2.3.5 — 2017-09-07

Fix bug in Airdrop sharing function

## Apps similar to RC Circuit Pro

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| --- | --- | --- | --- |
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| [Vibroscope](https://appshunter.io/ios/app/vibroscope/id1034169622) | 5.0 (2) | $6.99 | Utilities |
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| [GT智能家居](https://appshunter.io/ios/app/gt/id1439860700) | — | Free | Utilities |
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## More apps by Siu Yuen Ho

- [Easy Ohm's Law](https://appshunter.io/ios/app/easy-ohms-law/id814088524)
- [RC Circuit](https://appshunter.io/ios/app/rc-circuit/id824460716)
- [Resistor Tools Pro](https://appshunter.io/ios/app/resistor-tools-pro/id825620924)
- [Resistor Tools](https://appshunter.io/ios/app/resistor-tools/id826045228)
- [Timer 555 Calculator Pro](https://appshunter.io/ios/app/timer-555-calculator-pro/id833443125)

All apps by Siu Yuen Ho: https://appshunter.io/developer/814088527

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-04.*