iScanner

A simple QR code and barcode scanner supporting multiple formats, with code generation and basic security filters. Works stably, but features ads in the free version and payments are difficult for users in Russia.

Google Lens is an app for searching and analyzing information about objects, plants, animals, and text through camera or photos: object recognition, QR code scanning, text translation from photos, and similar product search.

A QR-code generator with basic creation, scanning, and customization capabilities, but heavily laden with ads and aggressive premium-version offers.

A grocery delivery app with a catalog of 35,000+ products, featuring in-store pickup, home delivery, a loyalty program, and barcode price checking, but experiences multiple issues with login, stability, and data synchronization.

QR and barcode scanner supporting multiple formats, code generation, history export, and automatic actions (opening links, connecting to Wi-Fi, adding contacts).

An inventory management app for warehouses, retail stores, or home use with barcode support, documents (receipts/shipments/inventory counts), reports, and basic integration with Excel and cloud services.

QR code generation and scanning app with customization options (colors, logos, patterns) and scan tracking, but frequently fails to generate working codes and occasionally crashes.

Aegis Authenticator is a free open-source app for generating and storing 2FA tokens (HOTP/TOTP) with encryption, biometric unlock, group organization, and automatic backups.