# PDF vs PlainMark

The clearest difference is in-app purchases: PlainMark at none against PDF's 3. PlainMark also leads on ads (none vs shown) and update cadence (weekly vs every 4 months). PDF's advantage is iOS requirement (13.0 vs 17.0). On price and device support there is nothing between them.

Both are free to download. PDF sells 3 in-app purchases, starting at $4.99 per 7 days. PlainMark asks for nothing beyond the download.

PDF ships an update every 4 months, PlainMark weekly. The most recent releases landed on October 24, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | PDF | PlainMark |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (3 ratings)](https://appshunter.io/ios/app/pdf-merge-extract-and-reduce/id1643890238/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 27 MB | 3 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hardik Dhameliya](https://appshunter.io/developer/1611140120) | [Elemental Development](https://appshunter.io/developer/1895493718) |

## What reviewers say

### PDF

[App page](https://appshunter.io/ios/app/pdf-merge-extract-and-reduce/id1643890238)

This app offers a comprehensive suite of tools to manage PDF documents on your iPhone and iPad. Easily compress, merge, convert, secure, and extract pages from PDFs. It features OCR for text recognition and a user-friendly interface for efficient document handling.

**Highlights:** Compress PDF files, Merge multiple PDFs, Extract and remove pages, Convert PDF to text/images, OCR text recognition, Lock and unlock PDFs, Read and manage PDFs

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Subscription Weekly | $4.99 | per 7 days |
| Subscription Monthly | $9.99 | per month |
| Subscription Yearly | $19.99 | per year |


### PlainMark

[App page](https://appshunter.io/ios/app/plainmark/id6763797561)

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

**In-app purchases:** none


## Frequently asked questions

### Is PDF free?

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

### Is PlainMark free?

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

### Do PDF or PlainMark have ads?

PDF shows ads; PlainMark does not.

### Which is updated more often, PDF or PlainMark?

PDF ships an update every 4 months, and PlainMark weekly. Most recently, PDF was updated on October 24, 2026 and PlainMark on October 11, 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.*