Dedicated flatbed scanners still edge out phone apps on raw technical fidelity, but for the vast majority of everyday scanning needs, a good phone scanner app has closed the practical gap.
Where flatbed scanners still win
Perfectly even lighting, no perspective distortion to correct in the first place, and consistent, calibrated color reproduction remain flatbed strengths, particularly for archival-quality digitization of important physical documents.
Where phone scanning wins
Speed, portability, and zero dedicated hardware — a phone scan happens wherever you are, in seconds, with auto-detect and dewarping largely closing the quality gap for typical documents, receipts, and forms.
The practical takeaway
For everyday paperwork, receipts, and forms, a modern phone scanning app is genuinely good enough for most people — a flatbed scanner remains the better choice mainly for high-volume, archival-grade digitization projects.
Is a phone scan good enough for official document submissions?
In most cases yes — a well-lit, properly dewarped phone scan meets the legibility bar most institutions require, though it's worth checking specific requirements for particularly formal or legal submissions.