Understand what your baby is going through, week by week — with every source cited
Fussy days, sleep changes, new skills: see what's likely happening in your baby's development, in language you can actually use.
Your baby's forecast
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Why parents trust Peanutbean
Backed by real research
Every claim comes from published studies and official pediatric guidelines. Sources cited, always.
Built for real life
The short answer first. No jargon, no guilt, no alarmism. Easy to use while holding a baby.
Fair to premature babies
Born early? We use adjusted age, so the forecast actually fits your baby. Most tools skip this.
How it works
Enter two dates
Birth date, plus due date if your baby came early.
See your baby's timeline
A personal map of the first year: what's happening now and what's next.
Spend less time guessing
Know what's normal, what's coming, and when to ask your pediatrician.
The whole year, answered once
The First-Year Map puts all 5 developmental windows on paper: what's normal, what's coming, and when to call your pediatrician — cited to real research, honest where the science isn't settled. Stick it on the fridge and stop re-searching the same question every few weeks.
$7, instant download. Works for every baby, including preemies.
Get the whole year, onceOr get it made for your baby, with their real calendar dates on every page — a keepsake, not just a printout ($12, delivered within 24h). Also on Etsy.
Made to earn your trust
Peanutbean is new, so instead of invented testimonials, here is exactly what you can rely on. As real parents send us their words, they will appear here.
Every source cited
Every claim traces back to the CDC, NHS, AAP, or peer-reviewed research, linked right on the page. See how we check our facts.
Honest about the unknowns
Where the science is not settled, we say so on the page instead of pretending. Windows, not verdicts.
No account, no cookies, no ads
Use the whole forecast without signing up. Cookieless analytics, so no banner, and nothing about you is sold.
Fair to babies born early
The forecast runs on the due date, the way pediatricians do, so premature babies are measured fairly.
Used the forecast with your baby? Tell us what you think. We read every note, and with your permission we may share it here.