# Paint Calculator Pro vs Optical Toolkit

The clearest difference is in-app purchases: Optical Toolkit at none against Paint Calculator Pro's 2. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Paint Calculator Pro sells 2 in-app purchases, starting at $1.99 per month. Optical Toolkit asks for nothing beyond the download.

## The numbers

| Metric | Paint Calculator Pro | Optical Toolkit |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Size | 2 MB | 3 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [RYAN KIM](https://appshunter.io/developer/1868562880) | [Sanjay Yadav](https://appshunter.io/developer/1507771486) |

## What reviewers say

### Paint Calculator Pro

[App page](https://appshunter.io/ios/app/paint-calculator-pro/id6758307540)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro | $1.99 | per month |
| Lifetime Pro | $4.99 | one-time |


### Optical Toolkit

[App page](https://appshunter.io/ios/app/optical-toolkit/id6761304395)

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

**In-app purchases:** none


## Frequently asked questions

### Is Paint Calculator Pro free?

Paint Calculator Pro is free to download, with in-app purchases available.

### Is Optical Toolkit free?

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

### Do Paint Calculator Pro or Optical Toolkit have ads?

Neither Paint Calculator Pro nor Optical Toolkit 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.*