Scan a manual with your camera, snap a photo, or import a PDF. ManualBook reads every word on the page — in English, Chinese, and Japanese — entirely on your device, so you can find any detail in seconds.
What it does
Capture — document scanner, Photos, or Files (images & PDFs).
Recognize — on-device OCR, including mixed English / 中文 / 日本語.
Search — full-text across every page, with highlights and jump-to-page.
Organize — folders, tags, and notes.
Share to ManualBook — send a PDF or photo from any app.
Export — turn any manual back into a PDF.
Private by design
Everything runs on your iPhone. No accounts, no servers, no analytics. Optional iCloud Sync keeps your library in your own private iCloud, encrypted by Apple.