# Electrodoc Pro vs Resistor

The clearest difference is price: Resistor at Free against Electrodoc Pro's $4.99. Electrodoc Pro's advantage is rating (4.6 vs 3.0) and ads (none vs shown). On in-app purchases and device support there is nothing between them.

Resistor is free to download; Electrodoc Pro costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Electrodoc Pro holds the better App Store score, 4.6 against 3.0. That said, the two scores are not equally well evidenced: Electrodoc Pro has 62 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 75% of Electrodoc Pro's written reviews are positive against 50% of Resistor's.

Electrodoc Pro ships an update every 3 months, Resistor every 16 months. The most recent releases landed on October 16, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Electrodoc Pro | Resistor |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[4.6 (62 ratings)](https://appshunter.io/ios/app/electrodoc-pro/id1146647134/reviews)** | [3.0 (3 ratings)](https://appshunter.io/ios/app/resistor-electronics-tools/id6504726625/reviews) |
| Number of ratings | **62** | 3 |
| Positive reviews | **75.4% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 3 months** | Every 16 months |
| Monetization | **Free** | Ad-supported |
| Best chart rank | **#134** | — |
| Size | 25 MB | 22 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [IODEMA Srl](https://appshunter.io/developer/1146647133) | [Anas Abubakar](https://appshunter.io/developer/1581534101) |

## What reviewers say

### Electrodoc Pro

[App page](https://appshunter.io/ios/app/electrodoc-pro/id1146647134)

**Currently charting:** #134 Top Paid · Productivity (US App Store)

This app is a comprehensive toolkit for electronics enthusiasts and professionals. It offers a wide range of calculators, reference tables, and pin-out diagrams for various electronic components and connectors. Simplify complex calculations and access essential information quickly.

**Highlights:** Resistor color code lookup, Ohm's Law calculator, LED resistor calculator, NE555 timer calculator, Extensive port pin-out diagrams, Electronics reference tables

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

**In-app purchases:** none


### Resistor

[App page](https://appshunter.io/ios/app/resistor-electronics-tools/id6504726625)

This application simplifies electronic circuit calculations with tools for series/parallel resistance, LED current limiting, and three-phase circuit conversions. It also features a resistor color code decoder for quick component identification.

**Highlights:** Series/parallel resistor calculator, LED series resistor calculator, Star-delta and delta-star converters, Resistor color code decoder, Intuitive interface

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

**In-app purchases:** none


## Frequently asked questions

### Is Electrodoc Pro free?

Electrodoc Pro costs $4.99, with no in-app purchases.

### Is Resistor free?

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

### Which has better reviews, Electrodoc Pro or Resistor?

Electrodoc Pro is rated higher. Electrodoc Pro averages 4.6 out of 5 from 62 ratings, while Resistor averages 3.0 from 3 ratings.

### Do Electrodoc Pro or Resistor have ads?

Resistor shows ads; Electrodoc Pro does not.

### Which is updated more often, Electrodoc Pro or Resistor?

Electrodoc Pro ships an update every 3 months, and Resistor every 16 months. Most recently, Electrodoc Pro was updated on October 16, 2026 and Resistor on September 27, 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.*