# Electronic Calculator: Amperio — Ohm Law,Resistor,Circuit Calc

> Electronics toolkit for Ohm's Law, resistor codes, voltage dividers, and unit conversions. (iPhone/iPad app by Paul Contreras.)

- Source: https://appshunter.io/ios/app/electronic-calculator-amperio/id6752114896 (this page in markdown: same URL + `.md`)
- Developer: [Paul Contreras](https://appshunter.io/developer/1818750645)
- Category: Utilities, Reference
- Price: Free (on sale, was $3.99)
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 17.6 · 6 MB
- Languages: American English
- Released: 2025-09-07
- Data updated: 2026-06-01
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/electronic-calculator-amperio/id6752114896/reviews.md

## What is Electronic Calculator?

Amperio is the essential electronics toolkit every student and engineer needs! Whether you're studying electrical engineering or working on circuit projects, Amperio provides instant, accurate calculations for your everyday electronics needs.

KEY FEATURES:
Ohm's Law Calculator
Calculate voltage, current, resistance, and power with Amperio's intuitive interface. Input any two values and instantly get your results - perfect for circuit analysis and component selection.
Resistor Color Code Decoder

Never struggle with resistor values again! Amperio's visual color band selector works with 4-band and 5-band resistors. Simply tap the colors and get instant resistance values with tolerance.

Voltage Divider Calculator
Design and analyze voltage divider circuits instantly! Input any three values (Vin, Vout, R1, R2) and Amperio calculates the missing value - essential for signal conditioning and biasing circuits.

Smart Unit Converter
Convert between voltage (mV, V, kV), current (μA, mA, A), resistance (Ω, kΩ, MΩ), frequency (Hz, kHz, MHz, GHz), and power units seamlessly.
WHY CHOOSE AMPERIO:
- Lightning Fast - Instant calculations, no loading screens
- Student Friendly - Perfect for homework and lab work
- Professional Grade - Accurate formulas engineers trust
- Clean Interface - No clutter, just results
- Works Offline - Calculate anywhere, anytime
- No Ads Ever - Premium experience with lifetime access

PERFECT FOR:
Electronics engineering students
Electrical engineers and technicians
Circuit design and analysis
Component selection and verification
Homework and exam preparation
Lab work and projects
Electronics hobbyists and makers

Amperio transforms complex electronics calculations into simple, instant results. Get the complete professional toolkit for just $3.99 - less than a coffee, but lasts forever! Download Amperio today and experience the fastest way to solve circuit problems on your iPhone.

PREMIUM FEATURES INCLUDED:
4 Essential calculators (Ohm's Law, Voltage Divider, Resistor Decoder, Unit Converter)
No advertisements ever
Offline functionality
Lifetime access - pay once, use forever
Professional-grade accuracy

Coming in Future Updates:
Advanced circuit calculators and filter design
Calculation history with favorites
Photo resistor value recognition
Dark mode interface
Export and share results

One purchase. Four essential tools. Unlimited calculations. Amperio - the smart investment for serious electronics work.
---
Learn more: https://amperio.paulcontre.com
Terms of Use: https://amperio.paulcontre.com/terms
Need help?: help@paulcontre.com
EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Privacy Policy: https://amperio.paulcontre.com/privacy

## Key features

- Ohm's Law Calculator
- Resistor Color Code Decoder
- Voltage Divider Calculator
- Smart Unit Converter
- Offline Functionality
- Ad-Free Experience


## Frequently asked questions about Electronic Calculator

### What is Amperio?

Amperio is an electronics toolkit designed for students and engineers. It offers instant calculations for Ohm's Law, resistor color codes, voltage dividers, and unit conversions, all within a clean and intuitive interface.

### Does Amperio have ads?

No, Amperio is ad-free. The app emphasizes a premium experience with lifetime access, ensuring no advertisements interrupt your calculations.

### Can I use Amperio offline?

Yes, Amperio works offline. This feature allows you to perform all your essential electronics calculations anywhere, anytime, without needing an internet connection.

### What devices is Amperio available on?

Amperio is available on iPhone and iPad devices. It is designed to provide a seamless experience across Apple's mobile platforms.

### How much does Amperio cost?

Amperio is available for a one-time purchase of $3.99. This grants you lifetime access to all current and future premium features.

### What are the main calculators included in Amperio?

Amperio includes four essential calculators: Ohm's Law, Resistor Color Code Decoder, Voltage Divider Calculator, and a Smart Unit Converter for various electronics units.

### What is the age rating for Amperio?

Amperio has an age rating of 4+. This indicates it is suitable for a wide range of users, including younger students learning about electronics.

### How often is Amperio updated?

Amperio was last updated on September 8, 2025, with version 1.0. Future updates are planned to include advanced circuit calculators, calculation history, and a dark mode interface.

## Version history (last 1 release)

### 1.0 — 2025-09-08

No release notes.

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All apps by Paul Contreras: https://appshunter.io/developer/1818750645

## Related topics

[electronics calculator](https://appshunter.io/ios/topics/electronics-calculator) · [electronics circuit calculator](https://appshunter.io/ios/topics/electronics-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 2026-06-01.*