# Resistor Code Calculator Pro vs Rock Identifier ⋅Stone Scanner

The clearest difference is in-app purchases: Resistor Code Calculator Pro at none against Rock Identifier ⋅Stone Scanner's 2. Rock Identifier ⋅Stone Scanner's advantage is iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Rock Identifier ⋅Stone Scanner sells 2 in-app purchases, starting at $4.99 per 7 days. Resistor Code Calculator Pro asks for nothing beyond the download.

## The numbers

| Metric | Resistor Code Calculator Pro | Rock Identifier ⋅Stone Scanner |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Size | 12 MB | 65 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ha Do Thi Thu](https://appshunter.io/developer/1707030622) | [Samet Ates](https://appshunter.io/developer/1805864917) |

## What reviewers say

### Resistor Code Calculator Pro

[App page](https://appshunter.io/ios/app/resistor-code-calculator-pro/id6794582814)

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

**In-app purchases:** none


### Rock Identifier ⋅Stone Scanner

[App page](https://appshunter.io/ios/app/rock-identifier-stone-scanner/id6798387407)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $4.99 | per 7 days |
| Yearly Subscription | $34.99 | per year |


## Frequently asked questions

### Is Resistor Code Calculator Pro free?

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

### Is Rock Identifier ⋅Stone Scanner free?

Rock Identifier ⋅Stone Scanner is free to download, with in-app purchases available.

### Do Resistor Code Calculator Pro or Rock Identifier ⋅Stone Scanner have ads?

Neither Resistor Code Calculator Pro nor Rock Identifier ⋅Stone Scanner shows ads.

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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.*