Is there a good app for scan documents with the camera?
Fully Served: 67 apps already serve this, and 4 data points mined from real user reviews across 3 sources show where they fall short. Good apps already cover what people want. You'd need a strong wedge.
Data refreshed August 3, 2026 · scores recompute weekly as new reviews are mined, so re-check before you build.
What users complain about
The most common complaints behind apps that try to scan documents with the camera, mined and clustered from real reviews:
| Complaint area | Type | Mentions | What a user said |
|---|---|---|---|
| real document scanning (not plain camera) | missing-feature | 1 | it uses default camera to take pictures and doesn't scan |
| PDF scanning buried deep in menus | ux | 1 | the pdf scanning menu gets buried deeper into menus with every update |
| save image to scan crashes app | bug | 1 | The “save image to scan” function causes app to crash |
| camera scanning reliability | bug | 1 | First last several years, the camera is not worked well |
Apps that already serve this
| App | Rating | Ratings | Price |
|---|---|---|---|
| Camera Scanner - PDF | 4.5 | 6,419 | Free |
| Scan to PDF－Document Scanner | 4.7 | 61,375 | Free |
| Scanner – Scan PDF & Document | 4.7 | 221,488 | Free |
| PDF Document Scanner | 3.3 | 40,011 | Free |
| CamScanner + | OCR Scanner | 4.9 | 17,206 | $0.99 |
| ScanNow: Convert PDF, JPG, Doc | 4.7 | 2,876 | Free |
| Scanner App - Scan PDF & Docs | 4.6 | 27,981 | Free |
| Scan Now: PDF Document Scanner | 4.8 | 2,017 | Free |
Should you build it?
Good apps already cover what people want. You'd need a strong wedge. Opportunity here scores 12 out of 100 — a function of demand, how crowded the field is, and how badly the existing apps perform. Use the live map to compare it against adjacent tasks.
Who has tried building this
4 attempts, 3 dead; mostly stale OpenCV edge-detection demos, with a 369-star leader now stalled.
| Project | Status | Stars | Stack |
|---|---|---|---|
| adityaarora1/LiveEdgeDetection | stale | 369 | Java |
| AxeMello/capex | active | 54 | HTML |
| mshtang/DocScanner | stale | 14 | C# |
| sefakcmn00/Documentation-Scanner-Opencv | stale | 3 | Python |
Open-source projects that attempted this task — active ones show today's bar; abandoned ones are a signal to validate why earlier attempts died.
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<a href="https://speculora.com/gap/scan-documents-with-the-camera-367"><img src="https://speculora.com/badge/367.svg" alt="Speculora: Scan documents with the camera — Fully Served" height="28"></a>Markdown
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