Build a Habit in 21 Days.
One clear challenge. One daily check-in.
Real progress you can finish.
A clear 21-day finish line
Finish what you start — with a countdown you can see.
One-tap daily check-ins
Yes/No, count, amount, or time — done in seconds.
Badges that feel earned
Celebrate milestones and completed challenges.
Why most habits fail — and why Streak21 works
Traditional habit trackers overwhelm you with options and guilt. Streak21 is different.
❌ Too many habits at once
Most apps encourage you to track everything, leading to burnout and failure.
✅ One habit at a time
Focus on one clear 21-day challenge. Finish it, then move to the next.
❌ No clear finish line
Endless tracking without a goal makes it easy to give up.
✅ A clear 21-day finish line
See your progress fill up day by day. Know exactly when you're done.
❌ Miss one day, give up completely
All-or-nothing thinking makes setbacks feel like failures.
✅ Visual daily progress
Every check-in matters. Build consistency, not perfection.
❌ Tracking without motivation
Just logging data doesn't create lasting change.
✅ Motivation through completion
Celebrate milestones and completed challenges. Feel the progress.
How Streak21 Works
Streak21 keeps habit-building lightweight: one habit, one day at a time, with a clear finish line.
Step 1 — Choose one habit
Pick something small and realistic. Read · Exercise · Sleep earlier · Save money · Meditate
Step 2 — Check in daily
Just one tap a day. Yes / No, count, amount, or time.
Step 3 — Finish the 21‑day challenge
Watch your progress fill up day by day. Reach Day 21. Claim your achievement.
Step 4 — Build consistency
The goal isn't perfection. It's building a streak you can repeat and feel proud of.
Everything you need — nothing you don't
Designed for calm focus, fast check-ins, and a clear sense of progress.
✅ Multiple tracking types
Yes/No · Count · Amount · Time — built in, consistent, and easy to use.
📊 Clear visual progress
21‑day progress bar with 21 segments and streak tracking so you always know what's next.
🏅 Achievements & badges
Celebrate milestones with metallic badges and completed challenges.
🎯 Today's Focus
Know exactly what matters today with prioritized habit cards.
🎨 Calm & motivating design
Clean UI with gradient cards that makes consistency feel easy.
⚡ One-tap check-ins
No clutter. No overthinking. Just quick, meaningful progress.
Track your progress with clear insights
See your habit-building journey at a glance with comprehensive statistics and analytics.
Progress you can see. Achievements you can feel.
Streak21 turns daily effort into visible progress. Every check‑in matters. Every completed challenge means something.
🏅 Badges for real milestones
Earn metallic badges for 1st Goal, 3rd Goal, 7th Goal, and more. Celebrate 1 Check-in, 7 Check-ins, 14 Check-ins, and the ultimate 21 Check-ins achievement.
🔥 Built for consistency, not guilt
You're not chasing perfection. You're building a streak you can repeat. Every day counts toward your 21-day challenge.
Unlock more badges by checking in daily. Download the app to start earning your achievements.
You're not chasing perfection.
You're building consistency.
Start your 21‑day challenge today
No pressure. No shame. Just one habit, one day at a time.