Comparison

Resistor vs Smart Resistor Calc

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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!

About

Smart Resistor Calc

Features
Read full description

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

Resistor4 screens
Smart Resistor Calc4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Scorecard1 real difference · 8 level
Resistor versus Smart Resistor Calc: the parameters behind the verdict, then further details
ParameterResistorSmart Resistor Calc
PriceFreeFree
Rating4.9 (19 ratings) — better—
Number of ratings19 — better—
Update frequencyEvery 9 months—
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPadiPhone, iPod
Requires iOS26.015.0 — better
Further details — not scored
Size8 MB24 MB
Age rating4+4+
DeveloperGerhard LentschikMamta Kevadiya

In-app purchases

None

Resistor

No in-app purchases

None

Smart Resistor Calc

No in-app purchases

Questions

Is Resistor free?
Resistor is free to download, with no in-app purchases.
Is Smart Resistor Calc free?
Smart Resistor Calc is free to download, with no in-app purchases.
Do Resistor or Smart Resistor Calc have ads?
Neither Resistor nor Smart Resistor Calc shows ads.

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