Height Predictor - TallTell

Predict your adult height. Measure yourself by camera. Track your growth curve. Science-backed. No equipment needed.

Ever wonder how tall you'll actually be?

TallTell uses science-backed growth models to predict your adult height — then lets you measure yourself right now using your iPhone camera. No tape measure. No guessing. Just clear answers based on real data.

Enter your age, current height, and your parents' heights. TallTell runs the mid-parental height formula and Tanner stage growth model — the same methods used in pediatric medicine — and shows you your estimated adult height and where you are on your growth curve.

Then point your camera and measure your height instantly. AR body detection gives you your current height in under 3 seconds, accurate to ±0.5 cm, with no equipment needed.

WHAT YOU GET

Height prediction calculator Enter your age, height, and parents' heights. Get your estimated adult height and potential height range, based on the mid-parental height formula and Tanner stage growth models.

Height measurement by camera Point your iPhone at yourself and get your height instantly. AR body detection works in seconds — no tape measure, no wall marks, no second person needed. Accurate to ±0.5 cm.

Growth trajectory chart See your full growth curve from age 6 to 23. Log your height over time and track whether you are on pace, ahead, or behind your predicted path. Spot growth spurts before they happen.

Nutrition plan for growth Daily meals across Breakfast, Lunch, and Dinner built around calcium, vitamin D, protein, and zinc — the key nutrients that support bone development and healthy growth during teen years.

Daily exercise routine Beginner-friendly exercises for posture improvement and spinal decompression. Includes bar hanging, cobra stretch, and pelvic shift — moves recommended for growing teens and young adults.

BUILT ON REAL SCIENCE

TallTell's predictions use the same growth data trusted by paediatricians worldwide. The mid-parental height formula and Tanner stage percentile charts have guided clinical height estimates for decades. Our AR measurement uses Apple's body-detection framework for accurate, hands-free results every time.

WHO IS TALLTELL FOR

• Teens aged 13 to 18 who want to know how tall they will grow
• Parents tracking a child's growth and looking for a science-based height estimate
• Young adults aged 18 to 25 focused on posture, nutrition, and reaching their full height potential

NOTE: Height predictions in TallTell are estimates based on established growth models, not guarantees. Actual height depends on genetics, nutrition, sleep, and overall health. Always consult a healthcare professional for medical advice about growth.

Your growth window will not stay open forever. Start tracking during the years that count.

Subscription Plans: Weekly Access: $4.99 per week Yearly Access: $29.99 per year

Payment will be charged to your Apple ID account at the time of purchase. Subscriptions automatically renew unless auto-renew is turned off at least 24 hours before the end of the current period. Renewal charges will be applied to your account within 24 hours before the subscription ends. You can manage and disable auto-renewal at any time through your App Store account settings.

Privacy Policy: https://sites.google.com/view/talltell-ios/home

Terms of Service: https://sites.google.com/view/talltell-ios/term-of-use

Subscription Terms: https://sites.google.com/view/talltell-ios/subscription-terms

The Appstrome team is dedicated to improving your experience. If you have suggestions or questions, feel free to contact us at appstrome.tech@gmail.com .