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.
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.
- Resistor color code decoding (4, 5, 6 band)
- Series resistor calculations
- Parallel resistor calculations
- Accurate resistance and tolerance values
- User-friendly interface
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############################# # 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!
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.
- 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
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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
Verdict
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
Both are free to download. SJ Resistor Calculator sells 5 one-off in-app purchases. Voltage Divider Calculator asks for nothing beyond the download.
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.
SJ Resistor Calculator ships an update every 2 weeks, Voltage Divider Calculator every 11 months. Both last shipped on November 4, 2026.
| Parameter | SJ Resistor Calculator | Voltage Divider Calculator |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 3.3 (3 ratings) |
| Number of ratings | 1 | 3 — better |
| Update frequency | Every 2 weeks — better | Every 11 months |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 4 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | Stephane JAILLIARD | V PUGAZHENTHI |
Customer experience
SJ Resistor Calculator
Voltage Divider Calculator
In-app purchases
SJ Resistor Calculator
- A coffee$0.99
- A cookie$2.99
- No ads$4.99
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- A lemon tart$4.99
- A pizza$9.99
Voltage Divider Calculator
No in-app purchases
Questions
Is SJ Resistor Calculator free?
Is Voltage Divider Calculator free?
Which has better reviews, SJ Resistor Calculator or Voltage Divider Calculator?
Do SJ Resistor Calculator or Voltage Divider Calculator have ads?
Which is updated more often, SJ Resistor Calculator or Voltage Divider Calculator?
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