# Plaster Calculator vs PDF Manager

The clearest difference is in-app purchases: Plaster Calculator at none against PDF Manager's 4. Plaster Calculator also leads on iOS requirement (13.4 vs 18.6). On price, ads and device support there is nothing between them.

Both are free to download. PDF Manager sells 4 in-app purchases, starting at $9.99 per 7 days. Plaster Calculator asks for nothing beyond the download.

## The numbers

| Metric | Plaster Calculator | PDF Manager |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/pdf-manager-editor-and-scanner/id6754659397/reviews)** |
| Number of ratings | — | **4** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 11 days |
| Monetization | — | Freemium |
| Size | 20 MB | 40 MB |
| Requires iOS | **13.4** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [David Hurrell](https://appshunter.io/developer/1781306960) | [LLC Poison Studio](https://appshunter.io/developer/1843177578) |

## What reviewers say

### Plaster Calculator

[App page](https://appshunter.io/ios/app/plaster-calculator/id6738589483)

**Features:** macOS Compatibility

**In-app purchases:** none


### PDF Manager

[App page](https://appshunter.io/ios/app/pdf-manager-editor-and-scanner/id6754659397)

This app offers a comprehensive suite of tools for managing PDF files. It allows users to create, edit, sign, protect, and convert PDFs from various formats. Features include OCR for text recognition and offline functionality.

**Highlights:** Create PDFs from images and documents, Split and merge PDF pages, Add electronic signatures, Password protect and remove protection, Text recognition (OCR), Offline functionality

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $9.99 | per 7 days |
| Weekly Premium | $11.99 | per 7 days |
| Annual Premium | $19.99 | per year |
| Annual Premium | $29.99 | per year |


## Frequently asked questions

### Is Plaster Calculator free?

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

### Is PDF Manager free?

PDF Manager is free to download, with in-app purchases available.

### Do Plaster Calculator or PDF Manager have ads?

Neither Plaster Calculator nor PDF Manager 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.*