# Resistor Plus vs Circuit Cubes

The clearest difference is price: Circuit Cubes at Free against Resistor Plus's $2.99. Circuit Cubes also leads on review sentiment (42% vs 0%) and update cadence (monthly vs every 20 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Circuit Cubes is free to download; Resistor Plus costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Resistor Plus ships an update every 20 months, Circuit Cubes monthly. The most recent releases landed on October 2, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Resistor Plus | Circuit Cubes |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | — | **[3.4 (57 ratings)](https://appshunter.io/ios/app/circuit-cubes/id1530623322/reviews)** |
| Number of ratings | — | **57** |
| Positive reviews | 0.0% of reviews | **42.1% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 20 months | **Monthly** |
| Monetization | Paid | **Free** |
| Size | 1 MB | 145 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Nitrio](https://appshunter.io/developer/321121189) | [Tenka Inc](https://appshunter.io/developer/1530623324) |

## What reviewers say

### Resistor Plus

[App page](https://appshunter.io/ios/app/resistor-plus/id500615686)

Easily calculate resistor values and tolerance using color codes. Simply select the colors for each band, and the app instantly displays the resistance in ohms. Save your results with screenshots for future reference.

**Highlights:** Resistor color code calculation, Tolerance calculation, Instant results display, Copy result functionality, Screenshot capability, Works on iPhone and iPad, Ad-free and private

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

**In-app purchases:** none


### Circuit Cubes

[App page](https://appshunter.io/ios/app/circuit-cubes/id1530623322)

Add power, motion, and light to toys with electronic building blocks. Control creations with various modes or basic programming. Compatible with major brick brands and includes kit instructions.

**Highlights:** Add power, motion, and light, Compatible with major brick brands, Control creations via app modes, Basic programming interface, Includes kit instructions, Save custom builds

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

**In-app purchases:** none


## Frequently asked questions

### Is Resistor Plus free?

Resistor Plus costs $2.99, with no in-app purchases.

### Is Circuit Cubes free?

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

### Do Resistor Plus or Circuit Cubes have ads?

Neither Resistor Plus nor Circuit Cubes shows ads.

### Which is updated more often, Resistor Plus or Circuit Cubes?

Resistor Plus ships an update every 20 months, and Circuit Cubes monthly. Most recently, Resistor Plus was updated on October 2, 2026 and Circuit Cubes on October 6, 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.*