Stop "grinding" your way tohabit failure.
Standard trackers rely on willpower. HabitDays relies on neurochemistry. Set 6 habits, complete 4. No streaks to break, no guilt-just 87% higher consistency.
Complete 21 days
User rating
Daily average
Everything you need to buildlasting habits
Designed based on neuroscience research, not gamification tricks
Phase-Based Scheduling
Align habits with your circadian neurochemistry - high energy mornings, calm afternoons, wind-down evenings.
No Streak Anxiety
Set 6 habits, complete 4-5. Built-in permission to miss 1-2 per day. That's success, not failure.
Expert Protocols
Curated habit sets from leading neuroscientists, sleep researchers, and longevity experts.
How it works
Start building better habits in under 2 minutes
Pick Your Protocol
Choose a focus: sleep, focus, fitness, or stress
Get 6 Habits
Pre-built habits optimized for each phase of your day
Complete 4-5 Daily
Built-in flexibility - missing 1-2 is expected
Track for 21 Days
Build neural pathways, then extend or customize
Expert-InspiredHabit Protocols
Curated habit sets inspired by publicly available research from leading health experts. Each protocol is designed for a specific goal.
For detailed research sources, visit protocolshub.com
Foundational Protocol
Based on neuroscience research
Master Your Brain & Body
Longevity Protocol
Inspired by Peter Attia's Research
Exercise is the Most Potent Drug
Sleep Mastery Protocol
Inspired by Matt Walker's Research
Master Your Sleep, Master Your Life
Biomarkers Protocol
Inspired by Rhonda Patrick's Research
Optimize Your Biomarkers for Lifespan
Strength & Power Protocol
Inspired by Andy Galpin's Research
Build Strength Like a Scientist
Breathing Mastery Protocol
Inspired by Jack Feldman's Research
Master Your Nervous System
These protocols are inspired by publicly available research, podcasts, and educational content. HabitDays is not affiliated with, endorsed by, or sponsored by any of the referenced experts. Always consult a healthcare professional before starting any new health regimen.
Simple, Fair PricingStart Free, Upgrade Anytime
Get started for free. Upgrade to unlock unlimited habits and all expert protocols.
Early Adopter Special: $49.99 Lifetime (regularly $79.99) — Ends February 15th
Free
Perfect for getting started
- 3 custom habits
- 21-day cycle tracking
- Foundational Protocol
- Basic progress view
Lifetime
Pay once, own forever
37% off for early adopters
- Everything in Pro forever
- All 8+ expert protocols
- All future features
- Early adopter badge
- Priority support
30-day money-back guarantee
Pro
For serious habit builders
or $39.99/year (save 33%)
- Unlimited custom habits
- All 8+ expert protocols
- Advanced analytics
- Unlimited cycle history
- Priority support
Not sure yet? Start free with up to 3 habits.
Loved by habit builders
"The 4-5 out of 6 approach changed everything. Finally, a habit app that understands I'm human. No more guilt spirals."
Sarah M.
Recovered perfectionist
"Week 2 and I'm sleeping better than I have in years. The phase-based scheduling finally made sense of my chaotic days."
James K.
Dad of 2, chronic insomniac
"I've tried every habit app out there. This is the first one that actually stuck past 30 days. Day 47 and counting."
Maria L.
Failed 6 habit apps before this
Your 21-Day Transformation
Here's what actually happens when you commit to a protocol
Day 1
Quick Win
Complete your first habits. Feel the momentum building.
Day 7
Compound Effect
Habits start feeling easier. Neural pathways forming.
Day 14
Visible Results
Others notice changes. Energy, sleep, or focus improves.
Day 21
Identity Shift
"I am someone who..." becomes your new normal.
Questions? Answers.
Join the 21-Day Challenge
50 people. Same protocol. Accountability group included.
Ready to transform yourdaily habits?
Take our quick quiz to discover your ideal protocol, then try the demo or join the Upcoming Beta (lasting 22 days) for full access for free.
No signup required to try • Join beta for full access