Comparison

SJ Resistor Calculator vs Voltage Divider Calculator

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

SJ Resistor Calculator

This tool simplifies resistor calculations for electronics enthusiasts, students, and professionals. It accurately decodes resistor color codes and performs series/parallel calculations for complex circuit analysis. Avoid manual errors and streamline your electronics projects.

Highlights
  • Resistor color code decoding (4, 5, 6 band)
  • Series resistor calculations
  • Parallel resistor calculations
  • Accurate resistance and tolerance values
  • User-friendly interface
Features
Read full description

############################# # SJ RESISTOR CALCULATOR # ############################# Never misread your electronic components again! SJ Resistor Calculator is the essential tool for professionals, students, and electronics enthusiasts. No more color code errors or tedious calculations for your circuits! +----------------------------------------+ | WHY CHOOSE THIS APP | +----------------------------------------+ [ INTUITIVE DECODING ] - Instantly read 4, 5, or 6-band resistors. - Get the exact value and tolerance effortlessly. [ SERIES CALCULATIONS ] - Calculate the equivalent resistance of your series circuits. - Add as many components as you need. [ PARALLEL CALCULATIONS ] - Easily analyze the behavior of your parallel circuits. - Absolute precision for your electrical designs. [ PROFESSIONAL RELIABILITY ] - A clean, ergonomic, and straightforward interface. - Designed for maintenance, studies, and troubleshooting. Free and available in your language, download it today!

About

Voltage Divider Calculator

Calculate unknown values in voltage divider circuits with ease. Supports loaded dividers, power dissipation calculations, and finding standard resistor values. Ideal for students, hobbyists, and engineers.

Highlights
  • Calculate Vin, Vout, R1, R2
  • Support for loaded dividers (RL)
  • Power dissipation calculation (P(R1), P(R2))
  • Find nearest standard E24 resistor values
  • Supports Ohms and Kilo-Ohms
  • Instant results as you type
Features
Read full description

Voltage Divider Calculator Easily solve voltage divider circuits Enter any 3 known values — • Input Voltage (Vin) • Output Voltage (Vout) • Resistor 1 (R1) • Resistor 2 (R2) and the app instantly calculates the fourth. NEW in this version: • Loaded divider support — add an optional Load Resistance (RL) to see the real output voltage under load • Power dissipation — see P(R1) and P(R2) instantly, so you can pick the right resistor wattage • Standard values — get the nearest E24 resistor value for your calculated resistance • Completely ad-free — no banners, no pop-ups, no tracking Supports Ohms and Kilo-Ohms, with instant results as you type. Perfect for students, hobbyists, and engineers doing quick, accurate circuit analysis and design. Compatible with both iPhone and iPad.

Screenshots

SJ Resistor Calculator4 screens
Voltage Divider Calculator4 screens

Verdict

The call

The clearest difference is rating: SJ Resistor Calculator at 5.0 against Voltage Divider Calculator's 3.3. SJ Resistor Calculator also leads on update cadence (every 2 weeks vs every 11 months). Voltage Divider Calculator's advantage is in-app purchases (none vs 5) and ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. SJ Resistor Calculator sells 5 one-off in-app purchases. Voltage Divider Calculator asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

SJ Resistor Calculator holds the better App Store score, 5.0 against 3.3. Both are backed by a comparable volume of ratings — 1 and 3 respectively.

UpkeepUpdate frequency

SJ Resistor Calculator ships an update every 2 weeks, Voltage Divider Calculator every 11 months. Both last shipped on November 4, 2026.

Scorecard6 real differences · 3 level
SJ Resistor Calculator versus Voltage Divider Calculator: the parameters behind the verdict, then further details
ParameterSJ Resistor CalculatorVoltage Divider Calculator
PriceFreeFree
Rating5.0 (1 ratings) — better3.3 (3 ratings)
Number of ratings13 — better
Update frequencyEvery 2 weeks — betterEvery 11 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.0 — better17.6
Further details — not scored
Size4 MB9 MB
Age rating4+4+
DeveloperStephane JAILLIARDV PUGAZHENTHI

Customer experience

SJ Resistor Calculator

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Voltage Divider Calculator

All ratings3 ratings
Positive66.7%
Neutral0.0%
Negative33.3%

In-app purchases

5 purchases

SJ Resistor Calculator

One-time5
  • A coffee$0.99
  • A cookie$2.99
  • No ads$4.99
Show 2 more
  • A lemon tart$4.99
  • A pizza$9.99
None

Voltage Divider Calculator

No in-app purchases

Questions

Is SJ Resistor Calculator free?
SJ Resistor Calculator is free to download, with in-app purchases available.
Is Voltage Divider Calculator free?
Voltage Divider Calculator is free to download, with no in-app purchases.
Which has better reviews, SJ Resistor Calculator or Voltage Divider Calculator?
SJ Resistor Calculator is rated higher. SJ Resistor Calculator averages 5.0 out of 5 from 1 ratings, while Voltage Divider Calculator averages 3.3 from 3 ratings.
Do SJ Resistor Calculator or Voltage Divider Calculator have ads?
SJ Resistor Calculator shows ads; Voltage Divider Calculator does not.
Which is updated more often, SJ Resistor Calculator or Voltage Divider Calculator?
SJ Resistor Calculator ships an update every 2 weeks, and Voltage Divider Calculator every 11 months. Most recently, SJ Resistor Calculator was updated on November 4, 2026 and Voltage Divider Calculator on November 4, 2026.

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