AppMetrica

A retail application that accepts payments (card, QR, cash) on smartphones/tablets, prints receipts via email/SMS or QR code, manages inventory, and syncs with 1C, but has stability issues—it occasionally crashes and is incompatible with some terminal versions.

YouTube channel management app: view video analytics, edit metadata, and manage comments on mobile devices, though with significantly reduced functionality compared to the web version.

Remote management app for TP-Link routers: Wi-Fi configuration, device access control, client blocking, and parental controls with schedule and URL restrictions. Frequently unstable in practice — crashes, fails to connect, loses device control.

An app for tracking subscriber analytics on social media (mainly Instagram) that displays new followers, unfollows, hidden admirers, and top subscribers, but operates inconsistently and requires a paid subscription for most features.

The app allows remote control of intercoms, video viewing from entrance and perimeter cameras, and door/barrier opening, but frequently suffers from stability issues: cameras fail to initialize, calls do not arrive, and video freezes or lags.

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Receiptify is an app for analyzing Spotify music listening statistics, displaying top songs, artists and albums with the ability to share results on social media.