Comparison

SJ Resistor Calculator vs GameDropRadar

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

GameDropRadar

Features
Read full description

Limited-time game drops disappear fast. Game Drop Radar makes sure you never miss the ones worth playing. The radar tracks limited-time game and DLC offers across Epic Games, Steam, GOG, PlayStation, Xbox, Nintendo Switch and mobile stores — then scores every drop from 0 to 100 based on your personal taste. YOUR PERSONAL RADAR • Pick your platforms, favorite genres and playtime style in a quick onboarding • Every drop gets a personal Claim Score with clear reasons why it fits you (or doesn't) • Today's Top Pick highlights the one drop you shouldn't miss NEVER MISS A DEADLINE • Smart reminders warn you before a saved giveaway expires • The Calendar shows everything ending today and this week • A configurable home screen widget keeps the best drop on your radar and opens it directly BUILD YOUR COLLECTION • Save games to your Wishlist or Backlog, or mark them Claimed • Search across all active drops • One tap opens the store page so you can claim your game EVERYTHING INCLUDED One purchase unlocks every feature: unlimited smart reminders, private Apple Intelligence notes, the widget and the full calendar. No ads, no subscriptions, no in-app purchases. BUILT FOR IPHONE, IPAD AND IPHONE DUO Unfold iPhone Duo to see the radar and a game's details side by side, fold it for a quick check of what ends today, or browse on the big screen of iPad. PRIVACY FIRST Your preferences never leave your device, no account is required, and nothing is tracked. Only anonymous crash reports are collected to fix bugs. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

SJ Resistor Calculator4 screens
GameDropRadar4 screens

Verdict

The call

The clearest difference is price: SJ Resistor Calculator at Free against GameDropRadar's $0.99. SJ Resistor Calculator also leads on update cadence (every 2 weeks vs monthly). GameDropRadar's advantage is in-app purchases (none vs 5) and ads (none vs shown). On 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

SJ Resistor Calculator is free to download; GameDropRadar costs $0.99 up front. SJ Resistor Calculator sells 5 one-off in-app purchases. GameDropRadar asks for nothing beyond the download.

UpkeepUpdate frequency

SJ Resistor Calculator ships an update every 2 weeks, GameDropRadar monthly. The most recent releases landed on November 4, 2026 and November 6, 2026 respectively.

Scorecard4 real differences · 5 level
SJ Resistor Calculator versus GameDropRadar: the parameters behind the verdict, then further details
ParameterSJ Resistor CalculatorGameDropRadar
PriceFree — better$0.99
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 2 weeks — betterMonthly
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.0 — better17.0
Further details — not scored
Size4 MB10 MB
Age rating4+12+
DeveloperStephane JAILLIARDHASAN BERAT GURBUZ

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

GameDropRadar

No in-app purchases

Questions

Is SJ Resistor Calculator free?
SJ Resistor Calculator is free to download, with in-app purchases available.
Is GameDropRadar free?
GameDropRadar costs $0.99, with no in-app purchases.
Do SJ Resistor Calculator or GameDropRadar have ads?
SJ Resistor Calculator shows ads; GameDropRadar does not.
Which is updated more often, SJ Resistor Calculator or GameDropRadar?
SJ Resistor Calculator ships an update every 2 weeks, and GameDropRadar monthly. Most recently, SJ Resistor Calculator was updated on November 4, 2026 and GameDropRadar on November 6, 2026.

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