Resistor vs Smart Resistor Calc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Resistor
Quickly calculate resistor values from color bands or SMD codes, and vice versa. This tool is ideal for electronics enthusiasts, students, and DIYers working with 4, 5, or 6-band resistors and various SMD codes. It functions offline and requires no registration.
- Calculate resistor values from color bands
- Convert resistor values to color bands
- Supports 4, 5, and 6-band resistors
- Handles SMD codes (EIA-3, EIA-4, EIA-96)
- Works offline
- No registration required
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Resistor Converter – Fast & Easy Calculate resistor values, color bands, and SMD codes in seconds – perfect for electronics hobbyists, students, and professionals. Supports 4-, 5-, and 6-band resistors as well as SMD codes (EIA-3, EIA-4, EIA-96). - Tap color bands → read the value - Enter resistor → get matching color bands & SMD codes - Works offline, no registration required - Perfect for electronics, study & DIY projects Simple, fast, and free – the perfect companion for every electronics enthusiast!
Smart Resistor Calc
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Resistor Color Code Calculator - Fast, Simple and Accurate Quickly decode resistor color bands and calculate resistance with an easy-to-use resistor calculator. Identify resistor values in seconds without manual calculations. FEATURES * Supports 3, 4, 5 and 6 band resistors * Calculate resistance from resistor color bands * Identify resistance and tolerance values * Fast and accurate calculations * Simple and beginner-friendly interface * Works offline with no internet required * Free to use Perfect for electronics students, engineers, technicians, makers and hobbyists. Whether you are learning electronics, repairing circuits or working on an electronics project, this resistor color code calculator helps you read resistor values quickly and accurately. Decode resistor colors and find resistance values anytime, anywhere.
Screenshots
Verdict
The clearest difference is iOS requirement: Smart Resistor Calc at 15.0 against Resistor's 26.0. On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Resistor | Smart Resistor Calc |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (19 ratings) — better | — |
| Number of ratings | 19 — better | — |
| Update frequency | Every 9 months | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 26.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 8 MB | 24 MB |
| Age rating | 4+ | 4+ |
| Developer | Gerhard Lentschik | Mamta Kevadiya |
In-app purchases
Resistor
No in-app purchases
Smart Resistor Calc
No in-app purchases
Questions
Is Resistor free?
Is Smart Resistor Calc free?
Do Resistor or Smart Resistor Calc have ads?
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