Unlock your full height potential.
TallTeen turns the science of growth into simple daily habits. Train your posture, fuel your body, and sleep smarter — so you don't leave a single centimeter on the table.
Personalized for boys
Cool blue theme with growth predictions calibrated for male development curves.
Personalized for girls
Warm pink theme with predictions tuned to female growth patterns from the CDC.
Everything you need
A complete growth toolkit
Six powerful tools working together — backed by pediatric growth science, not magic.
Personal dashboard
Current height, predicted max, dream-height odds, and growth completion at a glance.
112-day program
Daily posture & mobility workouts structured into progressive levels.
Nutrition tracking
Log meals by text or photo — calories and key growth nutrients calculated for you.
Sleep tracking
Hours, consistency and recommendations to maximize your growth-hormone window.
Daily journal
A simple checklist of habits proven to support healthy adolescent growth.
Measurements & trends
Track height and weight, see growth velocity, and compare against pediatric norms.
The Dashboard
Know exactly where you stand.
Built on the Mid-Parental Height formula and CDC growth data, your dashboard shows your predicted maximum height, how you compare to peers, and how much potential is still on the table.
- Predicted max height & remaining potential
- Height-vs-age curve up to age 20
- Taller-than-peers percentile
- Dream-height probability
Food, Water & Calories
Fuel your growth, one meal at a time.
Track every meal with a photo or quick description. We calculate calories, protein, calcium, and Vitamin D — the nutrients that matter most for adolescent growth.
- Daily nutrition score at a glance
- Calorie & macro tracking with goals
- Calcium and Vitamin D for bone growth
- Hydration reminders throughout the day
The 112-Day Program
A daily ritual for posture & growth.
Sixteen progressive levels of decompression, mobility, and posture work. Just a few minutes a day to stand taller and protect every centimeter you've earned.
Daily Habits
Track what truly moves the needle.
Nutrition, sleep, posture, hydration — every action that supports your growth, in one simple checklist. Snap a photo of your meal and let the app handle the rest.
- Photo & text food logging with AI
- 9-point daily habits checklist
- Sleep window 9–12.5 hours
- Outdoor time, hydration, supplements
Progress that motivates
Watch yourself grow.
Detailed charts, milestones, and streaks turn small daily wins into long-term progress.
How it works
Three steps to your tallest self.
Onboard
Tell us your age, sex, current height, and parents' heights. We calibrate your personal growth model.
Build habits
Follow your daily program: posture training, nutrition logging, sleep tracking, and the journal.
Track progress
Measure regularly, watch your curve, hit milestones, and unlock every centimeter of your potential.
Loved by teens & parents.
"Finally an app that explains the science instead of selling pills. My posture is so much better after 6 weeks."
— Marcus, 16
"I love that the daily checklist is short. It actually fits in my schedule between school and sports."
— Sofia, 14
"As a parent I trust this — no fake claims, just sleep, nutrition, and movement. Exactly what we wanted."
— Linda, parent