# Electronics Toolkit calc vs Resistor

The clearest difference is price: Resistor at Free against Electronics Toolkit calc's $4.99. Electronics Toolkit calc's advantage is ads (none vs shown) and update cadence (every 4 months vs every 16 months). On in-app purchases, device support and iOS requirement there is nothing between them.

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

Electronics Toolkit calc ships an update every 4 months, Resistor every 16 months. The most recent releases landed on October 17, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Electronics Toolkit calc | Resistor |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | — | **[3.0 (3 ratings)](https://appshunter.io/ios/app/resistor-electronics-tools/id6504726625/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 4 months** | Every 16 months |
| Monetization | — | Ad-supported |
| Size | 25 MB | 22 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kantaben Gorasiya](https://appshunter.io/developer/1640260396) | [Anas Abubakar](https://appshunter.io/developer/1581534101) |

## What reviewers say

### Electronics Toolkit calc

[App page](https://appshunter.io/ios/app/electronics-toolkit-calc/id6473828034)

**Features:** macOS Compatibility

**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 Electronics Toolkit calc free?

Electronics Toolkit calc costs $4.99, with no in-app purchases.

### Is Resistor free?

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

### Do Electronics Toolkit calc or Resistor have ads?

Resistor shows ads; Electronics Toolkit calc does not.

### Which is updated more often, Electronics Toolkit calc or Resistor?

Electronics Toolkit calc ships an update every 4 months, and Resistor every 16 months. Most recently, Electronics Toolkit calc was updated on October 17, 2026 and Resistor on October 22, 2026.

---

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