TrackMe. Hike&Travel Recorder

An app for creating and managing reminders with voice input support, location-based reminders, and offline functionality, but with unreliable notifications and frequent issues after updates.

Samsung Smart Switch Mobile allows transferring contacts, photos, music, messages and other data between Galaxy devices, as well as from other Android and iOS devices, but often requires Wi-Fi connection and suffers from compatibility issues and instability.

GPS tracker for recording and analyzing travel routes with support for multiple maps (OSM, Google), offline mode, and export to GPX/KML.

Obsidian is an app for creating a knowledge base from local Markdown files with graph visualization and plugins; on mobile platforms it suffers from numerous bugs with interactivity and text input.

E-book reader supporting multiple formats (EPUB, PDF, DJVU, FB2, MOBI, comics, audiobooks) with cloud synchronization across devices and integration with cloud services and OPDS catalogs, but with performance issues and lack of active support.

The best app for planning and logging workouts according to professionals and trainers.

Simple text notepad with markdown support, note encryption (AES-256), folder organization, and plain text file storage. Works offline and has stability issues on some Android versions.

A simple voice recorder that saves to MP3 with background recording and file sharing, but has unstable performance, intrusive ads, and limited support for bulk file operations.