QR сканер

Google Authenticator generates one-time verification codes for two-factor authentication, works offline, and synchronizes codes through a Google account, but frequently produces incorrect codes and has critical issues with account recovery when access is lost.

Free app for scanning QR codes and barcodes with the ability to generate custom codes, works offline, but some users report stability issues and installation problems.

An alarm clock app with interactive challenges (puzzles, math problems, object recognition via camera) designed to help wake up. However, it operates unreliably: alarms frequently disappear, challenges may not register, sound behavior is unpredictable, and there are compatibility issues on some devices.

Fast offline QR code and barcode scanner with history, working without internet or ads, but has recognition issues on some devices.

The app quickly scans QR codes and barcodes of all formats and generates them, but has limitations with Russian text encoding and update issues.

Wallet app allows you to store and conveniently use digital loyalty cards, coupons, tickets, boarding passes, and club cards.

WB PVZ is an app for Wildberries pickup point employees that enables receiving, sorting, and dispatching goods, processing returns, and managing requests; it experiences stability issues (crashes, freezes, authentication glitches) and has poor customer support.

An app for paying for purchases in online and offline stores with installment plans of 6-10 months, featuring automatic payments, reminders, and payment schedule management.