# OhmCheck — Quick Resistor Value Check!

> Calculates resistor resistance values from color bands. (iPhone/iPad app by ONTRAILS.)

- Source: https://appshunter.io/ios/app/ohmcheck/id6504354587 (this page in markdown: same URL + `.md`)
- Developer: [ONTRAILS](https://appshunter.io/developer/1570756171)
- Category: Utilities, Developer Tools
- Price: Free
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 15.6 · 23 MB
- Languages: American English, French (France), German (Germany), Indonesian, Japanese, Korean, Polish, European Portuguese, Chinese (Simplified, China), European Spanish
- Released: 2024-06-13
- Data updated: 2026-06-10
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/ohmcheck/id6504354587/reviews.md

## What is OhmCheck?

OhmCheck is a simple app that allows you to determine the resistance value of a resistor based on its color code.

By choosing the number of bands and selecting the colors, you can check the resistance value and tolerance of the resistor. The app supports 3, 4, 5, and 6 bands. Calculated resistance values can be saved to a list or shared via text.

Please note that we accept no responsibility for any issues arising from the use of this app.

## Key features

- Resistor color code calculation
- Supports 3, 4, 5, and 6 bands
- Displays resistance value
- Displays tolerance
- Save calculated values
- Share values via text


## Frequently asked questions about OhmCheck

### What resistor band configurations does OhmCheck support?

OhmCheck supports resistors with 3, 4, 5, and 6 color bands, allowing for a wide range of resistor value calculations.

### Can I save the resistor values I calculate with OhmCheck?

Yes, OhmCheck allows you to save the calculated resistance values to a list within the app for future reference.

### How can I share resistor values from OhmCheck?

You can easily share the calculated resistance values and their tolerances via text message directly from the OhmCheck application.

### What devices is OhmCheck compatible with?

OhmCheck is available for iPhone and iPod devices, running on iOS.

### What is the age rating for OhmCheck?

OhmCheck has an age rating of 4+, making it suitable for a broad audience.

### How often is OhmCheck updated?

The latest version, 1.0.8, was released on January 30, 2025, indicating regular updates to the application.

### Does OhmCheck have ads?

No, OhmCheck is ad-free, providing an uninterrupted user experience.

### What do users think of OhmCheck?

Based on available data, OhmCheck has received a perfect 5.0-star rating from one user, suggesting a highly positive reception.

## Version history (last 5 releases)

### 1.0.8 — 2025-01-30

Improved performance.

### 1.0.7 — 2024-09-09

Improved performance.

### 1.0.6 — 2024-07-29

We now support saving the calculated resistance values to a list.

### 1.0.5 — 2024-06-20

The number of bands is now supported for 3 bands.

### 1.0.4 — 2024-06-19

Improved performance.

## More apps by ONTRAILS

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All apps by ONTRAILS: https://appshunter.io/developer/1570756171

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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 2026-06-10.*