Tallzo: Grow Taller
Height growth habits & plan
Only for iPhone
Free · In‑App Purchases
iPhone
How tall will you actually get?
Not a guess. Not a vibe. A real prediction based on your genetics, sleep, food, and how you move.
Tallzo is the only height app built around the science of what you can actually control. Up to 20% of your final height is determined by your lifestyle habits during your teen years. Most guys never optimize that 20%.
You're about to.
YOUR PERSONAL HEIGHT PREDICTION
Enter your parents' heights, your age, and your current habits. Tallzo runs the numbers and shows you:
- Your predicted height range
- How much your habits are helping (or hurting)
- What changes would move your prediction higher
This isn't a generic calculator. It's your number, based on your life.
MEET ZO
Zo is your bamboo growth companion. He grows when you do.
Log your sleep - Zo gets taller.
Hit your nutrition targets - Zo gets stronger.
Stay consistent - Zo levels up.
Skip a day? Zo notices. But he never shames you - he challenges you to come back.
THE THREE PILLARS OF HEIGHT OPTIMIZATION
SLEEP
Growth hormone is released during deep sleep. Tallzo tracks your sleep window and tells you if you're hitting the window that actually matters.
FOOD
Your growth plates need protein, zinc, vitamin D, and calcium. Tallzo's AI meal logger scans your food and shows you exactly what you're getting and what's missing.
MOVE
The right exercise stimulates growth. The wrong kind compresses your spine. Tallzo tracks your movement and flags what's helping vs what's not.
AI MEAL PHOTO LOGGING
Point your camera at your plate. Tallzo identifies what you're eating and logs the nutrients that matter for growth in seconds. No calorie counting. No manual entry. Just take the photo.
BUILT FOR TEEN GUYS
No fluff. No shaming. No pseudoscience.
Tallzo is designed for guys aged 13-18 who want real answers about their height and a daily system to maximize what's possible.
Your genetics set the ceiling. Your habits determine whether you hit it.
SCIENCE, NOT HYPE
Everything in Tallzo is grounded in peer-reviewed research on endocrinology, bone development, nutritional science, and sleep science for adolescent development.
We don't claim to make you taller than your genetics allow. We help you reach your actual potential - which most guys never do.
SUBSCRIPTION OPTIONS
- $4.99/week
- $19.99/year (best value - less than $1.67/month)
Free 7-day trial on yearly plan. Cancel anytime.
This app is not a medical device and does not provide medical advice. Consult a healthcare provider for medical concerns.
Growth is a daily habit. Start yours today.
Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Fixed an issue that prevented some accounts from finishing setup.
The developer, Semir Ismael Husen, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Linked to You
The following data may be collected and linked to your identity:
- Health & Fitness
- Purchases
- Contact Info
- Sensitive Info
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Usage Data
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Semir Ismael Husen
- Size
- 100.7 MB
- Category
- Health & Fitness
- Compatibility
Requires iOS 15.1 or later.
- iPhone
Requires iOS 15.1 or later. - iPod touch
Requires iOS 15.1 or later.
- iPhone
- Languages
- English
- Age Rating
9+
- 9+
- Contains
Health or Wellness Topics
- In-App Purchases
Yes
- Tallzo Yearly $19.99
- Tallzo Weekly $4.99
- Copyright
- © 2026 Tallzo
