# Stamp Maker vs PDF Extractor

The clearest difference is update cadence: Stamp Maker at every 5 days against PDF Extractor's every 5 months. Stamp Maker also leads on monetization model (ad-supported vs free with in-app purchases) and device support (4 vs 2). On price, review sentiment, ads and in-app purchases there is nothing between them.

Both are free to download. Stamp Maker sells 4 in-app purchases, starting at $4.99 per month and PDF Extractor sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Stamp Maker ships an update every 5 days, PDF Extractor every 5 months. Both last shipped on October 31, 2026.

## The numbers

| Metric | Stamp Maker | PDF Extractor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/stamp-maker-pdf-signer/id6761462692/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 5 days** | Every 5 months |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 61 MB | 79 MB |
| Requires iOS | **16** | 18.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hashim Sultan Abbasi](https://appshunter.io/developer/1848195327) | [Dajiale](https://appshunter.io/developer/516546398) |

## What reviewers say

### Stamp Maker

[App page](https://appshunter.io/ios/app/stamp-maker-pdf-signer/id6761462692)

Design custom stamps, watermark photos and documents, and sign PDFs with this all-in-one productivity tool. Create professional-looking stamps from scratch or templates, and apply them to images and multi-page documents with precision controls. Works offline and requires no account.

**Highlights:** Custom stamp designer, Curved text and typography, Photo and PDF watermarking, PDF signing and annotation, QR code and barcode generation, Offline functionality, High-quality export

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $4.99 | per month |
| 6-Months | $24.99 | per 6 months |
| Yearly | $44.99 | per year |
| Lifetime Pro | $89.99 | one-time |


### PDF Extractor

[App page](https://appshunter.io/ios/app/pdf-extractor-image-and-ocr/id6761673639)

Extract text, tables, and images from PDFs securely on your device. Offers on-device OCR for scanned documents and rebuilds content as editable Markdown. Includes project management for revisited extractions.

**Highlights:** On-device OCR for scanned PDFs, Extracts text, tables, and images, Rebuilds content as Markdown, Supports password-protected PDFs, Project management for revisited imports, Batch ZIP export

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $4.99 | per month |
| Yearly | $19.99 | per year |
| PDFExtract Pro — Lifetime | $49.99 | one-time |


## Frequently asked questions

### Is Stamp Maker free?

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

### Is PDF Extractor free?

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

### Do Stamp Maker or PDF Extractor have ads?

Both Stamp Maker and PDF Extractor show ads.

### Which is updated more often, Stamp Maker or PDF Extractor?

Stamp Maker ships an update every 5 days, and PDF Extractor every 5 months. Most recently, Stamp Maker was updated on October 31, 2026 and PDF Extractor on October 31, 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.*