Resistor Tools vs Electronic Component Codes
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Resistor Tools
This utility app provides a suite of tools for calculating and determining resistor values. It assists hobbyists and engineers with series, parallel, and voltage divider calculations, as well as inverting amplifier gain.
- Series and parallel resistor calculation
- Resistor combination finder
- Voltage divider ratio and value calculation
- Inverting amplifier gain calculation
- Save combinations to CSV
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This app is a collection of resistor calculators. It is suitable for hobbyist or electronic engineer. * Calculate resistance of two resistors in series or parallel * Find out combinations of two resistors in series/parallel making a desired resistance * Calculate ratio of R1/R2 and voltage divider * Find out resistor values of making voltage divider ratio * Find out resistor values of making inverting amplifier gain * Save combination values in CSV file
Electronic Component Codes
Quickly identify electronic component values using color codes and SMD markings. This utility supports resistors, capacitors, and inductors, offering detailed explanations and standard value charts.
- Resistor color code calculator
- SMD resistor code lookup
- Capacitor code identification
- Inductor color code guide
- E-series value charts
- Detailed help sections
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Electronic Component Codes is a handy tool for identifying resistance, capacitance, and inductance values from component markings. Supported Features: • Resistor color codes • SMD resistor codes • EIA-96 resistor codes • Ceramic capacitor codes • Film capacitor codes • Tantalum capacitor color codes • SMD tantalum capacitor codes • Inductor color codes • SMD inductor color codes The app also includes detailed help sections and explanations for all supported codes, along with standard E-series value charts. Languages Supported: English, French, German, Indonesian, Italian, Polish, Portuguese, Russian, Spanish, Turkish, and Ukrainian. Download now and simplify your electronics work!
Screenshots
Verdict
The clearest difference is review sentiment: Resistor Tools at 75% against Electronic Component Codes's 0%. Resistor Tools also leads on ads (none vs shown) and iOS requirement (12.0 vs 16.0). Electronic Component Codes's advantage is in-app purchases (none vs 1). On price, update cadence 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. Resistor Tools sells 1 one-off in-app purchase. Electronic Component Codes asks for nothing beyond the download.
Resistor Tools ships an update every 2 months, Electronic Component Codes every 6 weeks. The most recent releases landed on September 24, 2026 and September 16, 2026 respectively.
| Parameter | Resistor Tools | Electronic Component Codes |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (10 ratings) — better | — |
| Positive reviews | 75.0% of reviews — better | 0.0% of reviews |
| Number of ratings | 10 — better | — |
| Update frequency | Every 2 months | Every 6 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Ad-supported — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 4 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | Siu Yuen Ho | ALG Software Lab |
Customer experience
Resistor Tools
Electronic Component Codes
In-app purchases
Resistor Tools
- Unlock pro feature$0.99
Electronic Component Codes
No in-app purchases
Questions
Is Resistor Tools free?
Is Electronic Component Codes free?
Do Resistor Tools or Electronic Component Codes have ads?
Which is updated more often, Resistor Tools or Electronic Component Codes?
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