# Circuit Calculator Pro

> Circuit Calculator Pro (iPhone/iPad app by ChatStick Company Limited.)

- Source: https://appshunter.io/ios/app/circuit-calculator-pro/id6757982282 (this page in markdown: same URL + `.md`)
- Developer: [ChatStick Company Limited](https://appshunter.io/developer/1165816085)
- Category: Education
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 26.0 · 10 MB
- Languages: English
- Released: 2026-03-19
- Data updated: 2026-07-17
- User reviews in markdown: https://appshunter.io/ios/app/circuit-calculator-pro/id6757982282/reviews.md

## What is Circuit Calculator Pro?

Circuit Calculator Pro is a practical electronics toolkit for students, makers, and engineers.

Use 13 calculators in one app:
• Ohm's Law (V, I, R, P)
• Resistors Series/Parallel
• Voltage Divider
• LED Resistor
• RC Time Constant
• Capacitors Series/Parallel
• Inductors Series/Parallel
• Reactance (Xc/Xl)
• Power & Energy
• Wire Voltage Drop
• LED String
• Loaded Divider
• E-Series Finder

Built-in workflow tools:
• Save recent calculations
• Organize results into projects and folders
• Copy/share results instantly
• Export to PDF and image (Premium)

Reference library included:
• Resistor color code guide
• Capacitor code guide
• Formula cheat sheets
• Electronics glossary

Circuit Builder (Premium):
• Drag-and-drop components
• Connect nodes on a grid canvas
• Run circuit analysis and view node voltages/currents
• Save and reopen circuit files

Free plan includes core calculators with ads.
Premium is a one-time purchase that unlocks advanced calculators, circuit builder access, expanded limits, and ad removal.

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Unlock All Features | $2.99 | one-time |



## Version history (last 1 release)

### 1.0 — 2026-03-19

No release notes.

## More apps by ChatStick Company Limited

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All apps by ChatStick Company Limited: https://appshunter.io/developer/1165816085

## Related topics

[circuit calculator pro](https://appshunter.io/ios/topics/circuit-calculator-pro) · [circuit calculator](https://appshunter.io/ios/topics/circuit-calculator)

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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 2026-07-17.*