See how tall you'll be.
Then grow into it.

GoTaller uses established statistical growth models with your age, biological sex, current height and parent heights to estimate your adult height. It's an estimate for guidance, not a guarantee — real growth varies from person to person.

No. GoTaller's predictions are estimates for guidance only, not a medical diagnosis. Many factors affect growth. Consult a doctor for clinical concerns.

No app can add height beyond what your body is capable of — and we won't tell you otherwise. What GoTaller does is help you support your natural growth potential while your growth window is open — with consistent sleep, nutrition, activity and posture habits — and stand at your full height at any age through posture work.

GoTaller is for ages 13 and up. Teens still growing get a growth-focused plan; adults get a posture-focused plan to reclaim standing height.

GoTaller is free to download and the height prediction is completely free — no signup, no card. GoTaller Pro is $5.99/week, $24.99/year, or $34.99 once for lifetime. Billing runs through Google Play, the App Store, or securely by card (Stripe) on gotaller.app — cancel anytime in your store's subscription settings, or via email for web purchases. Details in our Terms.

Only what the app needs: your growth answers (age, sex, heights, habits), height logs and check-ins. No ads, no third-party analytics, no camera or location access. Details in our Privacy Policy.

Yes — GoTaller is available for Android on Google Play and for iPhone on the App Store.

At 12 you're usually just before — or right at — the puberty growth spurt, so the habit years are still ahead of you. The levers that matter are the boring ones: 9+ hours of sleep, protein and calcium every day, regular activity, and straight posture. They won't push you past your genetic range, but they decide whether you reach the top of it — and GoTaller turns them into a daily plan.

Thirteen sits right in the middle of the puberty window: most girls are in their fastest growth phase and most boys are entering it, with height often climbing 6–10 cm in a single year. You can't speed the spurt up — but you can stop it from being shortchanged: 9+ hours of sleep, protein and calcium every day, regular activity, straight posture. GoTaller predicts where you're heading and turns those levers into a daily plan.

It depends on where you are in puberty. Many girls are at or near their final height by 15; many boys still have two or more growing years ahead. So 15 is the age to stop guessing: check your predicted height and how much of your growth window is left. For parents reading along — this is the last stretch where daily habits still shape the outcome, and it's why GoTaller shows the window, not just the number.

It's when most growth hormone is released, so during the growing years sleep genuinely matters — chronic short nights can leave part of your genetic range unclaimed. No amount of sleep pushes you beyond that range, though. Aim for 9+ hours on a steady schedule; GoTaller tracks it as one of your daily moves.