BAuthenticator

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.

Yurent is a scooter and bicycle rental service through a convenient application designed for active users of urban spaces.

SafeAuth generates TOTP codes for two-factor authentication with support for backup to Google Cloud, but distracts users with excessive ads and poor technical support.

An app for digitalizing VAT refunds on airport purchases: scan QR codes in stores, photograph receipts, track refund status, and receive payments to a bank account. The app operates unstably with support issues and local bank compatibility problems.

Official application of the French tax authority for managing tax documents, filing returns, paying bills, and communicating with the administration.

An app for verifying the legality of cash receipts by scanning QR codes or manually entering data with requests sent to the Russian Federal Tax Service, as well as storing receipts in electronic format.

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.

A service for paying for purchases in equal installments, allowing you to schedule payments for future periods.