Resistance Calculator vs Resistor Code Calculators
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Resistance Calculator
Instantly calculate resistor resistance values from color codes (3-6 bands). Includes Ohm's Law and Watt's Law calculators for voltage, current, and power. Ideal for electronics enthusiasts and professionals.
- Decode resistor color codes
- Supports 3-6 band resistors
- Ohm's Law calculator
- Watt's Law calculator
- Calculate V, I, R, and P
- Light and Dark themes
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Resistor Color Code to Ohms (Ω) is a reliable and easy-to-use electronics utility designed to help you quickly calculate resistance using standard Resistor color codes (3-band, 4-band, 5-band, or 6-band). Whether you are an electronics hobbyist, engineering student, or professional engineer, this app simplifies resistor identification and circuit calculations, saving time and reducing errors. With an intuitive interface, you can select the color bands of 3-band, 4-band, 5-band, or 6-band resistors and instantly view the calculated resistance value in ohms (Ω), along with tolerance and multiplier information. This makes it ideal for identifying resistors during circuit design, repair, prototyping, or learning electronics fundamentals. In addition to resistor color code decoding, the app includes a built-in Ohm’s Law and Watt’s Law calculator. Easily calculate voltage, current, resistance, and power by entering known values. This all-in-one approach removes the need for multiple tools and helps you perform essential electrical calculations accurately and efficiently. The app supports both Light and Dark themes, allowing you to choose a comfortable viewing experience in any environment. The clean layout and clear visual design ensure quick understanding and ease of use, even for beginners. Key Features: 1. Decode resistor color codes into accurate resistance values 2. Supports 3-band, 4-band, 5-band, and 6-band resistors 3. Built-in Ohm’s Law and Watt’s Law calculators 4. Calculate voltage, current, resistance, and power 5. Clean, intuitive interface for fast calculations 6. Light and Dark mode support Ideal for electronics hobbyists, students, technicians, and engineers Whether you are studying electronics, working on DIY projects, or designing professional circuits, Resistor Color Code to Ohms (Ω) is a practical and dependable tool you can rely on every day. Our companies vision is to create apps like this resistor color code calculator. We want to help electrical engineers and electricians in their every day work lives. If you have any feedback or app improvements ideas, please mail us at trothmatrixapps@gmail.com Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.trothmatrix.com/
Resistor Code Calculators
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The one handy app for electrical engineering calculation. This app contains not only resistor color code and capacitor code calculators but also electrical filter, attenuator, rectifier, LC oscillator, RF, PCB trace, cable, Ohm's Law, skin effect, Lumen Candela conversion, Delta Y Conversion, and many other handy calculators.
Screenshots
Verdict
The clearest difference is in-app purchases: Resistor Code Calculators at none against Resistance Calculator's 3. Resistor Code Calculators also leads on iOS requirement (13.4 vs 15.0). On price, update cadence, ads 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. Resistance Calculator sells 3 in-app purchases, starting at $0.49 per 7 days. Resistor Code Calculators asks for nothing beyond the download.
Resistance Calculator ships an update every 5 months, Resistor Code Calculators every 7 months. The most recent releases landed on September 9, 2026 and September 17, 2026 respectively.
| Parameter | Resistance Calculator | Resistor Code Calculators |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (9 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 9 — better | — |
| Update frequency | Every 5 months — better | Every 7 months |
| Ads | Yes | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 13.4 — better |
| Further details — not scored | ||
| Size | 13 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | TROTHMATRIX | Kanta Kikubo |
In-app purchases
Resistance Calculator
- Weekly Premium2 Months trial$0.497 Days
- Monthly Premium Subscription3 Months trial$1.491 Month
- Purchase Premium Version$12.99
Resistor Code Calculators
No in-app purchases
Questions
Is Resistance Calculator free?
Is Resistor Code Calculators free?
Do Resistance Calculator or Resistor Code Calculators have ads?
Which is updated more often, Resistance Calculator or Resistor Code Calculators?
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