# Refrimaq vs Resistor

The clearest difference is update cadence: Refrimaq at weekly against Resistor's every 16 months. Resistor's advantage is iOS requirement (13.0 vs 15.0). 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.

Refrimaq ships an update weekly, Resistor every 16 months. The most recent releases landed on October 15, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Refrimaq | Resistor |
| --- | --- | --- |
| Price | Free | 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 | Yes | Yes |
| Update frequency | **Weekly** | Every 16 months |
| Monetization | — | Ad-supported |
| Size | 36 MB | 22 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Anderson Rey](https://appshunter.io/developer/1542796027) | [Anas Abubakar](https://appshunter.io/developer/1581534101) |

## What reviewers say

### Refrimaq

[App page](https://appshunter.io/ios/app/refrimaq/id1542795815)

**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 Refrimaq free?

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

### Is Resistor free?

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

### Do Refrimaq or Resistor have ads?

Both Refrimaq and Resistor show ads.

### Which is updated more often, Refrimaq or Resistor?

Refrimaq ships an update weekly, and Resistor every 16 months. Most recently, Refrimaq was updated on October 15, 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.*