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The Wonder Weeks

By Domus Technica

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Nominated for BestAppEver 2014!
Awarded coolest app for moms 2012!
"The Wonder Weeks app can be a lifesaver for parents during those times of wondering what on earth is going on."


The Wonder Weeks worldwide bestselling baby app is now a (native) iOS app! A personalized daily calendar of your baby’s development that will keep you informed about the (mental) leaps and bounds and the fussy phases of your baby -- any time of day or night. This baby calendar app won prizes in several countries as BEST PARENTING APP!

Think of it as a portable, at-a-glance version of the calendar leap chart in The Wonder Weeks. Where the book describes in-depth and easy-to-understand terms the incredible developmental changes your baby goes through, the app is the perfect leap calendar companion to track your baby’s mental development (during the first 20 months).
By knowing what is going on inside the head of your baby, you can help him to make the leap more easily and stimulate his development.

The Wonder Weeks app helps new parents by:

- Calendar Showing when your baby makes a leap in his mental development

- What your baby can understand & learn after this mental leap

- What your baby can do after this leap

- What you can do to help your baby

This app is also a handy reminder for new parents when their baby’s brain is changing, or “leaping,” the baby is making a significant advance in mental development, and with each step forward comes a drastic change in the way your baby sees the world around him. Because these leaps come so quickly, the “new world” and new abilities can sometimes be scary, and the development can initially manifest in poor sleep, bad appetite, crying, clinging and crankiness – exhausting and frustrating mom and dad.

International experts on The Wonder Weeks:
 “This is a very practical and entertaining window into the baby’s first year and a half. van de Rijt and Plooij have observed and found the vulnerable times in an infant’s development that I independently came to in my book Touchpoints (Perseus Books Group). The authors’ observations and practical suggestions are wonderful.”
 -T. Berry Brazelton, M.D., professor emeritus, Harvard Medical School

"Anyone who deals with infants and young children will want to read The Wonder Weeks. This book will open parents' eyes to aspects of their children's growth, development, changing behavior, and emotional responsiveness that they might otherwise not notice or find puzzling and distressing."
 -Catherine Snow, Ph.D., Shattuck Professor of Education, Harvard Graduate School of Education

This App is developed with the greatest care. Neither the developer nor the author shall nevertheless be liable for any damages arising from any inaccuracies or omissions in this app.

What's New in Version 5.1.2

Minor improvements


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Customer Reviews

Wonderful app

I definitely recommend this app to any mom of a 0-18 month old baby. It such a useful tool and almost as good as reading the book. It offers bite-size information and tell you when the new leaps are, what to look out for and what skills the baby will be able to master after a leap. I've used it with both my babies and I found it accurate almost to the day. I have to say I was sceptical when it was first recommended to me but it has been so helpful I have recommended it myself to lots of other mums. All babies are different but it looks like they all go through developmental phases at the same time. It's so reassuring to know that the clinginess/ moodiness will pass and the we'll get our happy baby back :) I recommend the book as well.

Always spot on!

Hi guys, this app is so brilliant! I've used it since my son was around 10 days old, and it has always been completely right, especially as I exclusively breastfed it was difficult to keep up with his ever changing routine and some days I would feel completely lost for what could be wrong, and it was then I'd remember the app, go to it, realise he was in a new leap, read about what was going on with his brain and body, and it made me feel like I could support him through his leaps and also a lot more understanding to his needs!

Everyone should download it! Xxxx

Superb app

Love love love this app. Helped me through many a "moment" when I wondered what was happening with my little one, then discovered it was all completely normal! Amazingly accurate. Just wish it went past leap 10 as we've just finished it X

The Wonder Weeks
View in iTunes
This app is designed for both iPhone and iPad
  • £1.49
  • Category: Health & Fitness
  • Updated:
  • Version: 5.1.2
  • Size: 56.9 MB
  • Language: English
  • Developer:

Compatibility: Requires iOS 8.0 or later. Compatible with iPhone, iPad, and iPod touch.

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Top In-App Purchases

  1. The Wonder Weeks, Leap 1£0.79
  2. The Wonder Weeks, Leap 4£0.79
  3. The Wonder Weeks, Leap 2£0.79
  4. The Wonder Weeks, Leap 5£0.79
  5. The Wonder Weeks, Leap 3£0.79
  6. The Wonder Weeks, Leap 9£0.79
  7. The Wonder Weeks, Leap 6£0.79
  8. The Wonder Weeks, Leap 10£0.79
  9. The Wonder Weeks, Leap 7£0.79
  10. The Wonder Weeks, Leap 8£0.79