SJ Resistor Calculator vs First Due Unify
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
Read full descriptionHide 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!
First Due Unify
Read full descriptionHide full description
Maximize your Unify 2026 experience with the official event app. Build your schedule, save favorite sessions, and stay up to date with event announcements and real-time updates.
Screenshots
Verdict
The clearest difference is in-app purchases: First Due Unify at none against SJ Resistor Calculator's 5. First Due Unify also leads on 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. First Due Unify asks for nothing beyond the download.
| Parameter | SJ Resistor Calculator | First Due Unify |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 2 weeks | — |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 15.5 — better |
| Further details — not scored | ||
| Size | 4 MB | 118 MB |
| Age rating | 4+ | 4+ |
| Developer | Stephane JAILLIARD | Locality Media, Inc. |
In-app purchases
SJ Resistor Calculator
- A coffee$0.99
- A cookie$2.99
- No ads$4.99
Show 2 moreShow fewer
- A lemon tart$4.99
- A pizza$9.99
First Due Unify
No in-app purchases
Questions
Is SJ Resistor Calculator free?
Is First Due Unify free?
Do SJ Resistor Calculator or First Due Unify have ads?
Other comparisons















