Resistor Free

Tools Contains ads

Calculate the value and tolerance of any resistor.

Downloads: 1.1K+; on Google Play
Price: Free; No in-app purchases
Updated: Sep 8; 2026 · v8.5.0

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Screenshots

About Resistor Free

This application helps you decode those 3 to 6 color bars painted on the surface of usual resistors and the three or four-digit codes from the SMD resistors. If you take or load a photo of a resistor, the color of its rings can be displayed (as RGB components) and automatically recognized.

Features:

-- A lightweight, unique app for all resistor markings
-- Two permissions required, camera and storage, to handle the pictures
-- intuitive interface, ergonomic design
-- runs on most Android phones and tablets
-- no intrusive ads

What’s new

Version 8.5.0 · Updated September 8, 2026

- Code optimization - 'Exit' added to the menu - SMD resistors were added - Improved user interface

App details

Resistor Free is a free Tools app for Android with 1,000+ installs on Google Play. It was released on July 19, 2021 and last updated on September 8, 2026. It requires Android 6.0 or later. The app contains ads.

Category: Tools
Installs: 1,102
In-app purchases: No
Ads: Contains ads
Version: 8.5.0
Requires Android: 6.0
Content rating: Everyone
Released: July 19, 2021
Last updated: September 8, 2026

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Alternatives to Resistor Free

Looking for apps like Resistor Free? Here are 6 similar Android apps on Google Play. The highest rated is Touch Screen Test (4.7/5), and all 6 are free to download.

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Resistor Free

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About Resistor Free

What’s new

Alternatives to Resistor Free

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