The Wonder Weeks

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The Wonder Weeks worldwide bestselling baby app is a personalized weekly calendar of your baby’s mental development that will keep you informed about the leaps and bounds and the fussy phases of your baby.

- Keep track of your baby’s mental development
- Learn all about the leaps and bounds and the fussy phases of your baby
- Read the bestselling Wonder Weeks book here in this app
- Take notes about a range of topics in a comprehensive diary
- The leap-alarm service
- The calendar sync option to show the leaps in your agenda

With our new subscription option you can extend your app with the following features
- A full HD 4G / WIFI baby monitor
- The complete Audiobook of the Wonder Weeks (English)
- The compete eBook of the Wonder Weeks in several languages
- a proven white noise library to help you baby doze of
- a proven library of classical music and sounds to help you baby relax
- Extra content such as over 400 milestones and over 200 games and activities.

Our subscription unlocks all of these features at once. It’s not needed to unlock separate features.

Terms of Service - Subscription:
Payment will be charged to your Apple ID account at the confirmation of purchase. Subscription automatically renews unless it is canceled at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. You can manage and cancel your subscriptions by going to your account settings on the App Store after purchase.

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 research. 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.

I show you all the features of what you'll get when you download The Wonder Weeks app. CLICK FOR MORE↓↓↓↓↓↓↓↓ To purchase the book ...

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The Wonder Weeks Reviews (0)

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4 star

Great information and presentation of it that helps me track my baby’s development. I’d improve it be making the back up facility run in the background and not ask me to back up every time I add a note. Also, make the notes more presentable in chart form such as sleep record. Thank you

Selena GA
Selena GA
3 star

I’ve loved using this app - it’s been invaluable for my husband and I to be able to predict and therefore attend more consciously to our sons leaps. It’s been pretty spot on for us in terms of when certain behaviour is predicated. I used to find it very easy to use. Since the recent update however the layout has changed, it asks me for language choice every time I open it, there’s new list features- which I don’t find particularly useful and there seems to be problems now with the app- the calendar view isn’t accurate (the dates/week don’t align properly), the videos do not load and the information and usability isn’t as clear. I’ve tried deleting the app and re downloading but the same problems persist. I’ve tried to find a way of contacting someone to help but can’t find a way to do that. Anyone else having such issues?

2 star

I’ve been using the app since may but the recent update makes no sense to me. It talks about the baby as “you will start to” Which when reading it makes me think I’m going through the leaps You now have to pay more to unlock more info. I’m not using it now as it’s lost it’s lustre

Chuck Norris
Chuck Norris
14 October 2019

Chuck Norris's version of a "chocolate milkshake" is a raw porterhouse wrapped around ten Hershey bars, and doused in diesel fuel.

Edel Patricia
Edel Patricia
5 star

This App really helped us to understand the development stages our baby was going through and why he wasn’t himself.

5 star

As a first time parent, this app is really reassuring. When my boy enters a leap, I know the change in his behaviour and sleeping patterns isn’t because I’m doing something wrong, he’s not doing anything wrong, and most of all this is normal, expected and it will pass. As time has gone on I find I’m more adept at handling the leaps without consulting the app, but it is still really helpful to have the heads up timing wise when they’re likely to occur. It does seem to be particularly accurate for my boy as he arrived spontaneously on his due date. However some people I’ve spoken to whose baby has either arrived early or late, it hasn’t quite fit in as perfectly as it does for us. Overall I’ve found it really useful, just to help normalise the various ups and downs of parenting a baby for the first time. Would highly recommend it for first time parents.

5 star

As a first time parent this app has great insight into the changing world that babies go through.

Hasidic saying
Hasidic saying
14 October 2019

Everyone should carefully observe which way his heart draws him, and then choose that way with all his strength.

The Wonder Weeks Wiki

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The Wonder Weeks is the English translation of the Dutch book Oei, ik groei! (literal translation: Ai, I'm growing!) by physical anthropologist Hetty van de Rijt and ethologist and developmental psychologist Frans Plooij. Originally published in 1992, it has been republished several times, with an updated 6th edition published in 2019. Drawing on many years of observation and analysis of infant development, it gives parents practical guidance to help their baby's cognitive development through its predictable stages or 'leaps'. A doctoral study by Carolina de Weerth which failed to find any evidence of predictable leaps generated journalistic and academic controversy, but her methodology and data analysis have been challenged and her conclusion that infant development is chaotic, with wide individual variation, has not been replicated. The findings of Plooij and his colleagues have been replicated by three independent research groups. The book continues to be popular, and the publisher has produced a mobile app based on the book. .

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The Wonder Weeks App News

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Application Data

  • Relase Date30 May 2012
  • CategoryHealth & Fitness
  • Price$3.99
  • App Rating5
  • Current Version9.0.3
  • DeveloperDomus Technica
  • Operating SystemIOS 11.0 or later

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