Sign.Plus - Sign PDF Documents

Adobe Acrobat Reader is a PDF viewer with support for comments, signatures, and basic editing (in premium); operates in Russia with restrictions, requires registration and payment, with intrusive feature advertising.

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

Simple PDF editing app: add text with color/size selection, erase content with eraser, create digital signatures, and convert images to PDF.

Adobe Scan is a mobile document scanner with OCR that automatically recognizes text and converts photos to PDF files; functionality is limited without a paid subscription, including export and document merging features.

The app converts photos and scanned documents into PDF files with optional image editing, compression and password protection, working fully offline.

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.

The app scans documents from a smartphone camera into PDF/JPEG with basic processing (brightness adjustment, cropping, filters), but recent versions have included intrusive advertising that makes the app often unusable.

An app for fast document scanning to PDF/JPG with basic editing and OCR search, but with aggressive monetization requiring premium for exporting scans and other features.