Prices, stated plainly.
The tools, articles and milestone tracker are free, and Ask the research answers five AI questions a day with no account and no card. Everything we sell is below, with the price stated plainly. The free tier stays free because the mission is access, not upsell.
Free
No account and no card. Free stays free.
Tools, articles, and Ask the research
Every parent tool and guide, eight articles, the milestone tracker, the Tallykin check-in, and five AI questions a day in Ask the research.
$0
Classes
One payment each, lifetime access, nothing renews. Full refund within 14 days if you’ve watched 4 lessons or fewer. Terms of sale.
Birth to 12 months
Cues, attachment, and the first year. 16 short lessons, about 3 hours, with captions and a written version of every lesson.
$49once, lifetime access
Checkout is here, with Stripe; lessons live in My classes. Not sure yet? Watch a lesson free.
Toddler years
Language, autonomy, and big feelings. 13 lessons, about 2.5 hours. Ask the research, the AI tool, is included with your class, with a fair-use limit of 50 questions a day.
$49once, lifetime access
Checkout is here, with Stripe; lessons live in My classes. Already enrolled? Open My classes.
Preschool years
Self-regulation, play, and kindergarten readiness, for ages 3 to 5. 15 short lessons.
$49once, lifetime access
Checkout is here, with Stripe; lessons live in My classes.
Also available
For when you want one tool rather than a course.
Tallykin
The counting check-in for ages 2 to 5 is free. The full version adds three matched games a week, a daily number-talk prompt, and a re-check every six weeks.
Freecheck-in; the full version is $34 once
Questions parents ask
Which class includes the AI tool?
The toddler class. Ask the research, the AI tool, is included with your class, with a fair-use limit of 50 questions a day. Without a class, Ask the research answers five free questions a day, with no account and no card.
Can I get a refund?
Yes. Email Matthew with the address you bought with.
- Classes: a full refund within 14 days of buying, as long as you have watched 4 lessons or fewer. The free preview lesson does not count toward the four. A refund ends your access to that class.
- Tallykin: a full refund within 14 days of buying it.
- Gift codes: a refund within 14 days of buying, if the code has not been redeemed.
The full wording is in the terms of sale.
Is any of this medical advice?
No. Everything here explains developmental science in plain language. It does not diagnose, label, or replace your pediatrician, therapist, or other specialists. More about the approach.