PDF Scanner vs Adobe Scan — which is better?
Updated April 19, 2026
Both apps let you scan documents with your phone camera, but they take very different approaches to pricing and account requirements. Here is how iStack PDF Scanner compares to Adobe Scan on Android.
Feature comparison
| Feature | PDF Scanner | Adobe Scan |
|---|---|---|
| Completely free Adobe Scan limits some export features without an Adobe subscription. | ✓ | ~ |
| No account required Adobe Scan requires an Adobe ID to use. | ✓ | ✗ |
| OCR text recognition | ✓ | ✓ |
| Works fully offline Adobe Scan requires connectivity for OCR processing. | ✓ | ~ |
| PDF export | ✓ | ✓ |
| Auto edge detection | ✓ | ✓ |
| Cloud storage sync Adobe Scan integrates with Adobe Document Cloud. | ✗ | ✓ |
| No data uploaded to servers Adobe Scan uploads documents to Adobe's cloud. | ✓ | ✗ |
Verdict
PDF Scanner is the better choice if you want a fully free, no-account scanner that processes everything on-device and works offline. Adobe Scan has a more polished interface and deep Adobe ecosystem integration, but requires an Adobe ID and uploads your documents to the cloud — which is a privacy tradeoff some users may not want.
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