SJ Resistor Calculator vs Walvis
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!
Walvis
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Description Walvis is an innovative platform designed to streamline the accounting and document management processes for businesses and accountants. With its user-friendly interface and advanced features, Walvis allows you to digitize, categorize, and efficiently manage all your documents. Key Features Intelligent document scanning: Use artificial intelligence to automatically scan and read invoices and receipts, reducing the risk of manual errors. Instant in-app discussion: Facilitate communication between accountants and businesses with integrated discussion tools. Automated Data Entry: Save time and reduce errors with automated data entry powered by advanced algorithms. Mobile accessibility: Access and manage your documents anytime, anywhere, with the Walvis mobile app.
Screenshots
Verdict
The clearest difference is in-app purchases: Walvis at none against SJ Resistor Calculator's 5. Walvis also leads on ads (none vs shown) and iOS requirement (13.4 vs 16.0). SJ Resistor Calculator's advantage is update cadence (every 2 weeks vs monthly). On price and device support 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. Walvis asks for nothing beyond the download.
SJ Resistor Calculator ships an update every 2 weeks, Walvis monthly. The most recent releases landed on July 18, 2026 and September 20, 2026 respectively.
| Parameter | SJ Resistor Calculator | Walvis |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 2 weeks — better | Monthly |
| 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 | 13.4 — better |
| Further details — not scored | ||
| Size | 4 MB | 14 MB |
| Age rating | 4+ | 4+ |
| Developer | Stephane JAILLIARD | SARL RED BEARD SOFT |
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
Walvis
No in-app purchases
Questions
Is SJ Resistor Calculator free?
Is Walvis free?
Do SJ Resistor Calculator or Walvis have ads?
Which is updated more often, SJ Resistor Calculator or Walvis?
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