Free
$0
- CDC + parental + Khamis–Roche forecast
- Growth-window status
- Four public pillars (sleep, food, play, posture)
- Full citation list
Height Lab · predictheight.com
Height Lab is the specific week, not a taller fairy tale.
The predictor stays free. The lab is age-banded protocols: osteogenic loading, slow-wave sleep, postural centimetres, and a food day. Pay with Stripe — monthly or once.
Height Lab monthly
$9/mo
- Osteogenic 10 bone-loading circuit
- Night Architecture GH-sleep stack
- Stand Taller posture sequence
- Growth Plate Plate + 7-day calendar
- Late-bloomer map
Lifetime
$39 once
- Everything in monthly
- Keep the lab after the growth window closes
- Useful for siblings later