Deep Session vs Koku

Deep Session is a focus timer built for people who want to sit down and do the work - without fuss, without distractions. No accounts. No ads. No subscriptions. Just a timer. How it works Pick a session - Deep Work, Quick Focus, or Long Session - and press start. A warm-up period eases you in, then the timer begins. When you’re done, you’ll see how long you stayed focused. That’s it. No complicated setup, no overwhelming features. Track your progress See your focus hours for today, this week, and this month. Watch your streak grow as you build a daily deep work habit. Every session is saved locally on your device - your data stays yours. What makes Deep Session different Starts in seconds, not minutes No sign-up or onboarding walls No cloud sync, no servers, no tracking Designed to feel calm and quiet Works completely offline Dark mode that actually looks good Built for deep work Deep Session is inspired by the idea that the hardest part of focused work is simply starting. The app removes every barrier between you and your next session. Open it, tap, and begin. Your focus data never leaves your device. There are no analytics, no third-party SDKs, and no data collection of any kind.

Koku is a focus timer for deep work. Focus. Rest. Repeat. Set your own session lengths or use the classic rhythm - twenty-five minutes of focus, five minutes of rest, a longer break every four sessions. Each minute is a dot. Watch them fill. - No accounts. - No streaks. - No subscriptions. Just time, and the work in front of you. Add Koku to your Home Screen for quick access - start, pause, and skip sessions right from the widget. Keep the timer visible on your lock screen with Live Activities. Koku also includes an Apple Watch companion app that works with the iPhone app, so you can check your timer and control sessions from your wrist. Designed for iPhone, with an Apple Watch companion. Light and dark mode. Works in any language. Koku (刻) is the Japanese word for a moment of time.