Resistor Tools
FreeOffers In-App Purchases
2.6.30for iPhone, iPad and more
Age Rating
Resistor Tools Screenshots
About Resistor Tools
This app is a collection of resistor calculators. It is suitable for hobbyist or electronic engineer.
* Calculate resistance of two resistors in series or parallel
* Find out combinations of two resistors in series/parallel making a desired resistance
* Calculate ratio of R1/R2 and voltage divider
* Find out resistor values of making voltage divider ratio
* Find out resistor values of making inverting amplifier gain
* Save combination values in CSV file
* Calculate resistance of two resistors in series or parallel
* Find out combinations of two resistors in series/parallel making a desired resistance
* Calculate ratio of R1/R2 and voltage divider
* Find out resistor values of making voltage divider ratio
* Find out resistor values of making inverting amplifier gain
* Save combination values in CSV file
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What's New in the Latest Version 2.6.30
Last updated on Mar 26, 2024
Old Versions
Fix minor bugs
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Version History
2.6.30
Mar 26, 2024
Fix minor bugs
2.6.25
Mar 4, 2022
* Support German, French, Italian, Spanish, Portuguese, Japanese, Russian and Hindi
2.6.10
Feb 21, 2022
* Calculate resistance of n resistors in series
* Calculate resistance of n resistors in parallel
* Calculate resistance of n resistors in parallel
2.5.0
Feb 25, 2020
Fix minor bug
2.4.1
Dec 30, 2019
- Fix minor bugs
2.4.0
Dec 29, 2019
- Support dark mode
2.3.6
Sep 26, 2017
Fix minor bug
2.3.5
Sep 7, 2017
Fix bug in Airdrop sharing function
2.3.4
Oct 6, 2016
* Remove obsolete Dropbox API, use iCloud document picker instead
* Upload generated CSV files via AirDrop or iCloud Drive
* Upload generated CSV files via AirDrop or iCloud Drive
2.3.3
Sep 16, 2016
Fix minor bugs
2.3.2
Feb 6, 2016
Fix minor bugs
2.3.0
Jan 9, 2016
Fix minor bugs
2.1.0
Dec 11, 2014
Fix minor bugs
2.0.0
Oct 16, 2014
Fix minor bugs
1.1.0
Oct 9, 2014
Fix compatibility issue of iOS8
1.0.1
Mar 20, 2014
- Save combinations in CSV file
- Upload CSV file to Dropbox
- iPad UI is added
- Upload CSV file to Dropbox
- iPad UI is added
1.0.0
Feb 28, 2014
Resistor Tools FAQ
Click here to learn how to download Resistor Tools in restricted country or region.
Check the following list to see the minimum requirements of Resistor Tools.
iPhone
Requires iOS 12.0 or later.
iPad
Requires iPadOS 12.0 or later.
iPod touch
Requires iOS 12.0 or later.
Resistor Tools supports English, French, German, Hindi, Italian, Japanese, Portuguese, Russian, Simplified Chinese, Spanish, Traditional Chinese
Resistor Tools contains in-app purchases. Please check the pricing plan as below:
Unlock pro feature
$0.99
