This comparison is based on published official documentation. It is not a hands-on test or a quality ranking. Unknown features are not treated as verified.
Turn scanned documents into searchable PDFs with OCR and arrange pages on your computer.
Shared requirement: Image to Text (OCR)
Same platform: Desktop → Desktop
Download an OCR language first; copy text through a PDF viewer.
Visit appTurns paper documents into PDFs with your phone camera and makes their text searchable using OCR. Available for iPhone/iPad and Android for collecting receipts, notes and documents; consider cloud storage and OCR page limits.
Shared requirement: Image to Text (OCR)
Different platform; check your workflow: Desktop → iPhone / iPad
The listings say a subscription raises OCR capacity from 5 to 100 pages. Scans save to Adobe cloud; check recognized text before sharing. Free download does not mean every task is free. Check in-app purchases, export limits and country/device availability in the store.
App StoreCopy text from images or view translations of the text you see.
Shared requirement: Image to Text (OCR)
Different platform; check your workflow: Desktop → Website
Available features may vary by device and access method.
Visit appTurn text in scanned PDFs into searchable, selectable content.
Shared requirement: Image to Text (OCR)
Different platform; check your workflow: Desktop → Website
Verify file formats, size limits and language support in the official plan.
Visit appTurn scanned PDFs and photos into searchable documents with OCR.
Shared requirement: Image to Text (OCR)
Different platform; check your workflow: Desktop → Website
Check the official page for current quotas and output conditions.
Visit app| App name | Where will you use it? | Free output | No account needed | No watermark | Works offline | Batch processing | Content language | Good to know / Sources and review date |
|---|---|---|---|---|---|---|---|---|
| Tesseract | Desktop | Yes | Yes | — | Yes | — | — | Requires command-line setup and language files; no built-in graphical interface. Sources and review date |
| NAPS2 | Desktop | Yes | — | — | — | — | — | Download an OCR language first; copy text through a PDF viewer. Sources and review date |
| Adobe Scan | iPhone / iPad | Yes | — | — | — | — | — | The listings say a subscription raises OCR capacity from 5 to 100 pages. Scans save to Adobe cloud; check recognized text before sharing. Free download does not mean every task is free. Check in-app purchases, export limits and country/device availability in the store. Sources and review date |
| Google Lens | Website | — | — | — | — | — | — | Available features may vary by device and access method. Sources and review date |
| iLovePDF | Website | — | — | — | — | — | — | Verify file formats, size limits and language support in the official plan. Sources and review date |
| PDF24 | Website | Yes | Yes | — | No | — | — | Check the official page for current quotas and output conditions. Sources and review date |