Karv
Every habit costs energy. As you master them, they get easier. The only app built on how your brain actually forms habits.
Start free. No account needed.

Your Willpower Has Limits. Karv Knows.

Habits Get Easier the More You Do Them

Features
100 units. That's your daily budget. Each habit costs energy based on how hard it is. Can't fit everything? Good. That's the point: focus on what matters.
Science-based milestones that reward your consistency. Each one makes the habit easier. Keep building until it barely costs a thought.
Open the app, see today's habits, check them off. Your energy gauge updates in real-time. No journaling, no planning. Just do the work.
Group habits by area: fitness, work, morning routine. Keep things clean so you can find what matters when it matters.
Heatmap calendar, streak tracking, completion rates, and recovery metrics. See patterns you'd never notice on your own.
No accounts. No cloud. No tracking. Your data lives on your device and nowhere else. Export anytime. We don't even have a server.
Frequently Asked Questions
