FocusBottle turns focus time into dancing light particles in a bottle. Use it as a visual focus timer for Pomodoro sessions, deep work, and study blocks—with optional white noise, tasks, and a focus calendar. Free on Android, no registration required.
Achievement level system makes every focus session rewarding
GPU Shader real-time rendering, light particles dance and flutter as you focus. Particle count and appearance change as your level increases
2XP per minute, +50XP on completion, +20% bonus for no interruptions. 5 title levels: Newcomer, Collector, Guardian, Starwalker, Aurora Master
4 beautiful templates: Session, Streak, Milestone, Daily Summary. Generate and share to social media with one click
Monthly calendar view of focus history. See stats, streak days, and weekly rhythm at a glance, tap any date for details
As your focus level increases, particles in the bottle undergo four magnificent evolutions
A clean beam of white light
A golden gleam warms the glass
Tricolor stardust dances
Rainbow aurora light swirls
A few simple steps to experience focus time accompanied by light particles
Download free from Google Play
25min classic, 50min deep, or 90min ultimate
Rain, ocean, cafe, or wind
Watch particles dance, stay focused
Earn XP, evolve particles, unlock titles
Efficient tools to make focus easier
Classic pomodoro technique with 25/50/90 minute durations. Light particles dance continuously during focus, giving visual feedback.
Four curated ambient sounds: rain, ocean, cafe, wind. Independent volume control, works with pomodoro timer, uninterrupted background playback.
Create custom tasks linked to focus sessions. Set priority, groups, estimated pomodoros, due dates, and reminders.
Google account login, focus records, level progress, and task data sync automatically. Offline-first architecture works without internet.
A free Android focus timer with a visual light-particle bottle, Pomodoro durations (25/50/90), white noise, tasks, and a focus calendar.
Yes. Choose Classic, Deep, or Ultimate intervals for Pomodoro-style focus and breaks.
Yes. Pick a longer interval when you want uninterrupted time for one task.
FocusBottle's light particle system is its core feature. As you focus, light particles dance and flutter inside the bottle. As your focus level increases, the number and appearance of particles change, creating different visual experiences.
FocusBottle supports three pomodoro modes: 25 minutes (Classic Pomodoro), 50 minutes (Deep Focus), and 90 minutes (Ultimate Focus).
FocusBottle has four built-in ambient sounds: Rain, Ocean, Cafe, and Wind. Each sound supports independent volume control and can be used simultaneously with the pomodoro timer, with background playback and loop support.
Yes, FocusBottle is free to download and use, no registration required. Available on Android. Core features are completely free, with optional premium skins available.
FocusBottle offers 4 beautiful bottle skins: Warm Sunlight (free, default warm sunlight theme), Mystical Dark (night sky with stars), Vintage Glass (retro wood grain), and Crystal Star (brilliant starlight). Each skin has a unique background scene.
FocusBottle's title system includes 5 levels: Newcomer (Lv.1-5), Collector (Lv.6-15), Guardian (Lv.16-30), Starwalker (Lv.31-50), and Aurora Master (Lv.51+). Earn experience through focus sessions to level up and unlock new titles.
Yes, FocusBottle uses an offline-first architecture. All core features (focus timer, white noise, task management, particle system) work normally without internet. Data automatically syncs to the cloud when logged in.
Yes. After logging in with your Google account, your focus records, level progress, and task data automatically sync to Firebase cloud. Log in with the same account on a new device to restore all data. The merge strategy uses the highest values to ensure no data is lost.
After completing a focus session, you can generate beautiful share cards on the completion page. 4 card types are available: Session Card (single focus), Streak Card (consecutive days), Milestone Card (cumulative milestones), and Daily Card (daily summary). Choose your favorite style and share to social media with one click.
Download FocusBottle and let every focus session become shining light particles in your bottle
Free Download · No Registration · Ready to Use · Offline Support
