# Resistor Color Code Calc + vs GLPSKHeatmap

The clearest difference is ads: GLPSKHeatmap at none against Resistor Color Code Calc +'s shown. GLPSKHeatmap also leads on update cadence (daily vs every 2 days). On price, in-app purchases, device support and iOS requirement 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 Code Calc + ships an update every 2 days, GLPSKHeatmap daily. The most recent releases landed on October 17, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Resistor Color Code Calc + | GLPSKHeatmap |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 days | **Daily** |
| Size | 50 MB | 2 MB |
| Requires iOS | 16.4 | **16.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 17+ | 4+ |
| Developer | [heekyung moon](https://appshunter.io/developer/6779193748) | [JIRO UENO](https://appshunter.io/developer/6788414943) |

## What reviewers say

### Resistor Color Code Calc +

[App page](https://appshunter.io/ios/app/resistor-color-code-calc-plus/id6790018644)

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

**In-app purchases:** none


### GLPSKHeatmap

[App page](https://appshunter.io/ios/app/glpskheatmap/id6815259034)

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

**In-app purchases:** none


## Frequently asked questions

### Is Resistor Color Code Calc + free?

Resistor Color Code Calc + is free to download, with no in-app purchases.

### Is GLPSKHeatmap free?

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

### Do Resistor Color Code Calc + or GLPSKHeatmap have ads?

Resistor Color Code Calc + shows ads; GLPSKHeatmap does not.

### Which is updated more often, Resistor Color Code Calc + or GLPSKHeatmap?

Resistor Color Code Calc + ships an update every 2 days, and GLPSKHeatmap daily. Most recently, Resistor Color Code Calc + was updated on October 17, 2026 and GLPSKHeatmap on October 8, 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.*