PDF: Reader, Scanner, Editor

PDFChef is a document scanning app for iPhone/iPad that converts camera images into editable PDFs with the ability to add text, signatures, and graphics. The app suffers from stability issues (crashes during saving, especially with large scans) and has concerns regarding crop quality and aggressive monetization.

TapScanner is a document scanning app that converts documents to PDF with OCR support, editing, and cloud synchronization, but requires a paid subscription even for basic use.

The app scans documents through the camera, automatically processes images and saves them as JPEG or PDF, supports OCR for Russian and other languages (with Cyrillic limitations), cloud synchronization and export to various services via subscription.

Android app for editing and signing PDF documents: fill forms, draw signatures, import from cloud services and export via email.

PDFelement is a multifunctional PDF document application featuring editing, reading, scanning, OCR and AI tools, but functionality verification is not possible due to the absence of user reviews.

Sign any document with your real handwritten signature.

A mobile PDF editor with scanning, OCR, AI assistant, and annotation features, but requires a paid subscription for most editing and export operations.

Nopaper is a mobile app for signing and exchanging documents using legally binding electronic signatures. Core functionality works, but the app suffers from instability, interface bugs, and identification issues during registration.