iPhone Screenshots


With When to Wonder: Picky Eating, children learn through play, and find it easier to share thoughts and feelings when they’re having fun. So we created games that help them share their yums and yucks, and their feelings about food.

Parents like fun, too! When you play, you and your child can compare your points of view. You can also tell us more about eating, mealtimes, and concerns like anxiety and tantrums. The more we learn about your family, the more we can tailor feedback and strategies for you.

We are a team of child psychiatrists, psychologists, data scientists, software engineers, and designers. Our app is a research tool that supports families as it generates new knowledge about early childhood mental health and development. Your participation will help us expand our understanding of children everywhere, and pave the way for new, innovative approaches.

About the Study
Your child doesn’t have to be a picky eater for you to join this study.

To join the When to Wonder: Picky Eating study, you must:
1.  Be 18 years or older
2.  Have a child younger than 7
3.  Be the parent or legal guardian of the child

Join our study, and together we can find new answers to support young children and the adults who care for them.

Download today and let’s explore, learn, and wonder together!

What’s New

Version 1.7.1

This update provides minor improvements to event tracking.

Ratings and Reviews

4.7 out of 5
24 Ratings

24 Ratings

JM⬇️s ,

Excellent tool for parents!

My son and I have enjoyed working through the games, and I appreciate the opportunity to see how he thinks about food.

edith mcmillin ,

Very interesting app

Interesting to know that there is this kind of resource available to help parents help kids eat more healthfully

kat_disco_ ,

Great for little kids

This app gives awesome strategies for the picky eaters in your family, plus the yum yuck game is fun and helps you understand your kid’s eating preferences!


NYU Langone Medical Center
166.7 MB

Requires iOS 10.2 or later. Compatible with iPhone, iPad, and iPod touch.



Age Rating


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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