⚡ FlowStack

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Focus that sticks.

FlowStack is a free local-first Pomodoro and stopwatch timer. The optional Pro tier is not currently available; the separate Focus Kit remains available.

Free

$0
Forever free, no account required
  • Pomodoro & stopwatch timer
  • Session tags & notes
  • Dark / light theme
  • Local session history
  • Local-first data
  • Focus analytics & stats
  • JSON & CSV export
  • Deep Focus Toolkit
Use Free

Focus Kit

$5
One-time purchase, lifetime access
  • Deep work guide (28 pages)
  • Printable session log sheets
  • Focus technique library
  • Weekly planning templates
  • Pomodoro cheat sheet
  • Distraction tracker
  • Energy mapping worksheet
  • Digital download (print as PDF)
Buy — $5
🔓 No account needed

Feature Comparison

Feature Free Pro Focus Kit
Timer (Pomodoro + Stopwatch)
Session tags & notes
Dark / light theme
Local session history
Pro tierNot available
Focus analytics dashboard
JSON / CSV export
Advanced tagging
Weekly reports
Deep work guide
Printable session logs
Focus technique library

Frequently Asked Questions

What's the difference between Pro and the Focus Kit?
Pro is not currently available. The Focus Kit is a separate one-time digital download — a printable guide and templates you own forever.
Can I try Pro before subscribing?
The Free tier is unlimited and has no time limit. You can use the timer, tags, and local session history as long as you'd like.
Is my data private?
Free tier data stays on your device in IndexedDB. Use the available export tools to create a backup you control. See our Privacy Policy.
How do I cancel Pro?
Go to your Account page and click "Cancel Subscription." You'll retain Pro access until the end of your billing period. No questions asked.
What payment methods are accepted?
All major credit and debit cards. Payments are processed securely by Stripe. We never see or store your card details.
Is the Focus Kit a PDF?
It's a downloadable HTML file you can open in any browser. Press Ctrl+P / ⌘P and "Save as PDF" for a formatted PDF, or print directly on US Letter paper. You get the printable templates, session logs, focus techniques, and planning worksheets.