# SJ Resistor Calculator — Resistor calculations > Electronic resistor color code decoder and series/parallel calculator. (iPhone/iPad app by Stephane JAILLIARD.) - Source: https://appshunter.io/ios/app/sj-resistor-calculator/id6504838457 (this page in markdown: same URL + `.md`) - Developer: [Stephane JAILLIARD](https://appshunter.io/developer/1749751077) - Category: Utilities, Productivity - Price: Free with in-app purchases - Rating: 5.00/5 from 1 App Store ratings - Age rating: 4+ - Requires: iOS 16.0 · 4 MB - Languages: Arabic, Bangla, Catalan, Croatian, Czech, Danish, Dutch, English, Finnish, French and 34 more - Released: 2024-07-19 - Data updated: 2026-07-18 - Monetization: free with in-app purchases - User reviews in markdown: https://appshunter.io/ios/app/sj-resistor-calculator/id6504838457/reviews.md ## What is SJ Resistor Calculator? ############################# # 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! ## Key features - Resistor color code decoding (4, 5, 6 band) - Series resistor calculations - Parallel resistor calculations - Accurate resistance and tolerance values - User-friendly interface ## Pricing and in-app purchases Base price: Free. **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | No ads | $4.99 | one-time | | A coffee | $0.99 | one-time | | A cookie | $2.99 | one-time | | A lemon tart | $4.99 | one-time | | A pizza | $9.99 | one-time | ## Frequently asked questions about SJ Resistor Calculator ### What resistor band types does SJ Resistor Calculator support? SJ Resistor Calculator supports 4-, 5-, and 6-band resistors, covering the majority of common electronic components. ### Can SJ Resistor Calculator calculate resistors in series or parallel? Yes, SJ Resistor Calculator allows for complex calculations of resistors placed in series or in parallel, aiding in circuit analysis. ### What is the rating for SJ Resistor Calculator? SJ Resistor Calculator has a perfect rating of 5.0 stars from 1 rating, indicating high user satisfaction. ### Is SJ Resistor Calculator free to use? Yes, SJ Resistor Calculator is a free application. It also includes in-app purchases. ### Does SJ Resistor Calculator have ads? Yes, SJ Resistor Calculator contains advertisements. ### What devices is SJ Resistor Calculator available on? SJ Resistor Calculator is available for iPhone and iPad devices. ### How often is SJ Resistor Calculator updated? The latest version is 1.1.4, last updated on February 3, 2026. This indicates a recent update, suggesting ongoing support and development. ### What is the age rating for SJ Resistor Calculator? SJ Resistor Calculator has an age rating of 4+, making it suitable for a wide range of users. ## Version history (last 5 releases) ### 1.2.0 — 2026-07-13 • Added support for new languages. • SMD Code tool: decode SMD resistor values. • Ohm's Law tool: calculate voltage, current, resistance, and power. • Reference table: comprehensive color code cheat sheet. • Added buttons to share results. ### 1.1.4 — 2026-02-03 Minor modification related to the ad unit display ### 1.1.3 — 2025-08-14 - Fixed an issue with ads ### 1.1.2 — 2025-07-07 - Removal of advertising partners - Lightened the application ### 1.1.1 — 2024-10-09 - Code optimization ## Apps similar to SJ Resistor Calculator | App | Rating | Price | Category | | --- | --- | --- | --- | | [Resistor Code Calculators](https://appshunter.io/ios/app/resistor-code-calculators/id1465336419) | — | Free | Utilities | | [SMD decoder](https://appshunter.io/ios/app/smd-decoder/id6473452077) | 5.0 (1) | Free | Utilities | | [Resistor-Converter](https://appshunter.io/ios/app/resistor-converter/id6446839759) | 4.9 (16) | Free | Utilities | | [Resistor Color Band Calculator](https://appshunter.io/ios/app/resistor-color-band-calculator/id1658435931) | 4.6 (22) | Free | Utilities | | [resistor code calculator+](https://appshunter.io/ios/app/resistor-code-calculator-plus/id6741751785) | — | Free | Utilities | | [Resistor Color Band Calc](https://appshunter.io/ios/app/resistor-color-band-calc/id6473075098) | — | Free | Utilities | ## More apps by Stephane JAILLIARD - [SJ IPv4 Calculator](https://appshunter.io/ios/app/sj-ipv4-calculator/id6503641575) - [SJ Chmod Calculator](https://appshunter.io/ios/app/sj-chmod-calculator/id6504128434) - [SJ Age Calculator](https://appshunter.io/ios/app/sj-age-calculator/id6563151005) - [SJ Cart Calculator](https://appshunter.io/ios/app/sj-cart-calculator/id6627347063) - [SJ Password Generator](https://appshunter.io/ios/app/sj-password-generator/id6639614295) All apps by Stephane JAILLIARD: https://appshunter.io/developer/1749751077 ## Related topics [resistor color band calculator](https://appshunter.io/ios/topics/resistor-color-band-calculator) · [resistor code calculators](https://appshunter.io/ios/topics/resistor-code-calculators) · [resistor calculator](https://appshunter.io/ios/topics/resistor-calculator) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-18.*