Resistor Tools Downloads & RevenueResistor Tools · App Store
Not in any tracked top chart right now.
Updated 8 Nov 2026 · rankings refresh through the day
DeveloperSiu Yuen Ho
CategoryUtilities
PriceFree
Released
Rating★ 5.0 (10)
Version2.6.30
Age rating4+
First seen by us
24 Oct 2026
24 Oct 2026Full timeline · 2 events in the last 12 months
- 🆕Resistor Tools first spotted by AppInsiderUnited States (found via developer)
- 🆕Resistor Tools released on the App Store
Collected from the stores by AppInsider since we first spotted the app. Dates are when we saw each change.
Rating
5.0 ★
10 ratings
Measured
Resistor Tools on the App Store
App details
App ID
826045228
Publisher
Siu Yuen Ho
On the store since
Feb 2014
12 years on the store
Minimum OS
iOS 12.0+
iPhone 5s and later
Devices
iPhone · iPad
Universal purchase
Content rating
4+
Languages
11
EN FR DE HI IT JA PT RU ZH ES ZH
Size
4 MB
Where it ranks now
Every top chart it appears in across 30 countries.
| Country | Charts | Rank |
|---|---|---|
| Not charting right now. | ||
Ratings
App Store, worldwide.
Rating
5.0 ★
10 ratings
Measured
Ratings
10
Measured
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
Latest updates
2.6.30
Fix minor bugs
