Simple Calendar: ToDo Planner

Free mobile app for managing to-do lists with reminders, calendar, widgets, and Google Drive synchronization.

Todoist is a task management app with calendar support, voice input (Ramble), various views (list, board, calendar), cross-device synchronization, and collaboration features; partially implemented with issues in voice input for Russian language and some devices.

A simple calendar organizer with Google synchronization support (paid), reminders, widgets, and multiple views (month, week, day). The free version includes basic features, but synchronization and full access require a paid subscription.

A simple and minimalist calendar with support for tasks, reminders, and color coding, but with device synchronization issues and non-functional notifications.

A task management and planning app with timeline/calendar functionality that enables creating, organizing and tracking tasks through lists, projects, templates and recurring tasks with notifications.

Structured is a visual day planner based on a timeline, combining calendar, tasks, and habit tracking. It works mostly stably, but has bugs with synchronization, subscription purchases, and notifications.

A habit tracking app with a simple interface that allows creating unlimited habits and viewing progress by days and weeks; most advanced features (goals, journal, AI planning) require a paid subscription.

Student app with class schedules, social network (Подслушано), teacher reviews, courses, and part-time job search features, but with serious stability and data loading issues in recent versions.