# Resistor Code Calculators vs SpotLink

The clearest difference is ads: SpotLink at none against Resistor Code Calculators's shown. SpotLink also leads on update cadence (daily vs every 7 months). 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 Code Calculators ships an update every 7 months, SpotLink daily. The most recent releases landed on September 17, 2026 and May 14, 2026 respectively.

## The numbers

| Metric | Resistor Code Calculators | SpotLink |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 7 months | **Daily** |
| Size | 6 MB | 60 MB |
| Requires iOS | **13.4** | 14 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kanta Kikubo](https://appshunter.io/developer/1450598215) | [MIZI TECHNOLOGY LIMITED](https://appshunter.io/developer/1801420646) |

## What reviewers say

### Resistor Code Calculators

[App page](https://appshunter.io/ios/app/resistor-code-calculators/id1465336419)

**Features:** macOS Compatibility

**In-app purchases:** none


### SpotLink

[App page](https://appshunter.io/ios/app/spotlink/id6743111855)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Resistor Code Calculators free?

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

### Is SpotLink free?

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

### Do Resistor Code Calculators or SpotLink have ads?

Resistor Code Calculators shows ads; SpotLink does not.

### Which is updated more often, Resistor Code Calculators or SpotLink?

Resistor Code Calculators ships an update every 7 months, and SpotLink daily. Most recently, Resistor Code Calculators was updated on September 17, 2026 and SpotLink on May 14, 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.*