# Resistor color decoder vs Resistor Calculator & Ohms Law

The clearest difference is update cadence: Resistor Calculator & Ohms Law at every 4 days against Resistor color decoder's every 9 days. On price, ads, in-app purchases and device support there is nothing between them.

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

Resistor color decoder ships an update every 9 days, Resistor Calculator & Ohms Law every 4 days. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Resistor color decoder | Resistor Calculator & Ohms Law |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/resistor-calculator-and-ohms-law/id6769907481/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 9 days | **Every 4 days** |
| Monetization | — | Ad-supported |
| Size | 6 MB | 5 MB |
| Requires iOS | 17.0 | **16.6** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Michal Pajdak](https://appshunter.io/developer/1794089424) | [Alper Sumer Guc](https://appshunter.io/developer/1896672915) |

## What reviewers say

### Resistor color decoder

[App page](https://appshunter.io/ios/app/resistor-color-decoder/id6744559438)

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

**In-app purchases:** none


### Resistor Calculator & Ohms Law

[App page](https://appshunter.io/ios/app/resistor-calculator-and-ohms-law/id6769907481)

This app decodes resistor color bands and SMD codes, and performs Ohm's Law calculations. It offers features like reverse lookup, favorites, and history, supporting multiple languages and themes. It's designed for electronics enthusiasts, students, and professionals.

**Highlights:** Color band decoder (4, 5, 6-band), SMD code decoder, Ohm's Law calculator, Reverse lookup for resistance values, Favorites and history, E-Series standards indicator, Dark and light mode

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

**In-app purchases:** none


## Frequently asked questions

### Is Resistor color decoder free?

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

### Is Resistor Calculator & Ohms Law free?

Resistor Calculator & Ohms Law is free to download, with no in-app purchases.

### Do Resistor color decoder or Resistor Calculator & Ohms Law have ads?

Both Resistor color decoder and Resistor Calculator & Ohms Law show ads.

### Which is updated more often, Resistor color decoder or Resistor Calculator & Ohms Law?

Resistor color decoder ships an update every 9 days, and Resistor Calculator & Ohms Law every 4 days. Most recently, Resistor color decoder was updated on October 30, 2026 and Resistor Calculator & Ohms Law on November 5, 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.*