# Resistor Color Code Calc. vs Resistor Decoder

The clearest difference is in-app purchases: Resistor Decoder at none against Resistor Color Code Calc.'s 1. Resistor Decoder also leads on update cadence (every 9 days vs every 4 months). Resistor Color Code Calc.'s advantage is iOS requirement (13.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Resistor Color Code Calc. sells 1 one-off in-app purchase. Resistor Decoder asks for nothing beyond the download.

Resistor Color Code Calc. ships an update every 4 months, Resistor Decoder every 9 days. The most recent releases landed on September 10, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Resistor Color Code Calc. | Resistor Decoder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/resistor-color-code-calc/id6755287812/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 9 days** |
| Monetization | Free with in-app purchases | — |
| Size | 41 MB | 72 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sachinbhai Surani](https://appshunter.io/developer/1838685550) | [ESDEV Teknoloji](https://appshunter.io/developer/1693053468) |

## What reviewers say

### Resistor Color Code Calc.

[App page](https://appshunter.io/ios/app/resistor-color-code-calc/id6755287812)

Instantly decode resistor color bands, calculate exact values, and convert SMD resistor markings. This app provides essential tools for electronics students, technicians, and hobbyists with a clean interface and fast processing.

**Highlights:** Decode 3- to 6-band resistors, Calculate resistance values, Convert SMD resistor codes, Series and parallel resistor calculators, Save and share results, Clean and simple interface

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime premium | $12.99 | one-time |


### Resistor Decoder

[App page](https://appshunter.io/ios/app/resistor-decoder/id6786609623)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Resistor Color Code Calc. free?

Resistor Color Code Calc. is free to download, with in-app purchases available.

### Is Resistor Decoder free?

Resistor Decoder is free to download, with no in-app purchases.

### Do Resistor Color Code Calc. or Resistor Decoder have ads?

Neither Resistor Color Code Calc. nor Resistor Decoder shows ads.

### Which is updated more often, Resistor Color Code Calc. or Resistor Decoder?

Resistor Color Code Calc. ships an update every 4 months, and Resistor Decoder every 9 days. Most recently, Resistor Color Code Calc. was updated on September 10, 2026 and Resistor Decoder on September 11, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*