Baby Wonder Weeks Development Calendar
what parents are saying
Helps put your mind at ease if you think something is "up" with your baby. It's amazing how spot-on it really is in correlation with my baby's behavior. (Oct 17, 2014)
Abby V.
as seen on weelists
what parents are saying
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- Alyssa N.
United States of America
Kept me up to date with the mental leaps my baby was experiencing and how to comfort my baby in those hard times! Mar 01, 2024
- Jennifer H.
Lafayette, Indiana
Loved this app! We used it all the time. Especially when we weren’t getting much sleep with a restless baby. It made us feel better for sure. May 16, 2023
- Liz A.
Phoenix, Arizona
Love love love this App! As a new parent, it’s great to read about upcoming developments/milestones and it helps prepare us for the fussy stages! Dec 09, 2022
- Kate J.
Perth, Canada
This was recommended to me and I bought it after some hesitation. It turned out to be really helpful and insightful. I love being prepared to guide my baby through his next leap! May 11, 2022
- Amanda A.
Thunderbay, Canada
Why to know why you baby is more fussy then normal? Look no further Feb 02, 2022
- Vanda F.
Albuquerque , New Mexico
Loved this app, it was so nice to know what we should be expecting each week or month in our babies development! Great app for first time parents!! Jun 23, 2021
- Amy C.
Elrama, Pennsylvania
Great app for learning what your baby is going through during all the different developmental milestones. Also great for knowing why your baby is being extra fussy and clingy at the moment. May 21, 2021
- Katie Q.
United States of America
Used this with both my kids, helpful with getting through leaps and knowing when tough days might be headed our way! Apr 14, 2021
- Amanda S.
Orange, California
Helped to explain some fussiness going on, especially as a FTM. Liked having information about the different “leaps”. A little confusing at times but very interesting. Feb 01, 2021
- Kate W.
Boston , Massachusetts
One of the best! SO helpful to understand what baby is going through developmentally and physically and understanding how it can be impacting sleep and their general disposition. Nov 03, 2020
- Melissa T.
Jerome, Idaho
The built-in calendar showing when leaps are coming up has been so helpful in understanding my baby's changing moods! Knowing how his little world is changing helps me interact and play with him. Oct 18, 2020
- Jessica W.
Orlando, Florida
The breakdown of when you’re baby will go through various developmental leaps is so helpful. It offers insight on understanding behavior and different milestones. Aug 04, 2020
- Tara C.
Troy, New Hampshire
This app was this first time mom's saving grace more than a few times. It would let me know when he was entering or in a developmental stage and what to expect. It definitely helped me a lot! Jul 24, 2020
- Isabelle A.
Parkville, Maryland
This app gives you a very in-depth look at how baby’s developing with each “leap”. Makes it easier knowing why baby’s having a hard day. Apr 18, 2020
- Emily B.
Olympia , Washington
As a new mom, I have loved this to help sort through the different stages of life for our little ones. Mar 01, 2020
- Kim S.
Byron Center, Michigan
Take it with a grain of salt. Sometimes my baby’s fussiness would align with a leap, sometimes it wouldn’t. Feb 19, 2020
- Katie V.
Missoula, Montana
The wonder weeks app has been spot-on at telling me when developmental leaps are upon us and I have found them of great help navigating the fussy symptoms that go along with them. Nov 20, 2019
- Betsy F.
Leesport , Pennsylvania
Wonderful app to navigate through those developmental leaps! Oct 16, 2019
- Julie S.
United States of America
This app has been okay. It was helpful when he was a newborn, but as he has gotten older it is less helpful. The app is well designed, but not sure if I would pay for it again. Oct 07, 2019
- Lauren P.
Valparaiso , Indiana
Bought this app and LOVE IT. Helps me figure out why my child is fussier than normal. It’s always spot on! Sep 28, 2019
- Tabitha C.
San Antonio, Texas
Very informative. Warns when you are about to go through a fussy phase in baby's development. Sep 22, 2019
See More Reviews
(including your friends’ reviews!)
Featured Parents' Reviews-
- Siobhán A.
United States of America
I recommend also buying the book. Knowing when your little one is going through a developmental leap helps make everything less stressful as a new parent. Plus you can sync it with your phone calendar Aug 16, 2020
- Deb P.
United States of America
The iPhone app is very neat and easier to have on hand vs the book. My girls followed what Wonder Weeks said in terms of their development so I'm a believer Jan 26, 2020
- Samantha R.
Cold Spring Harbor, New York
Great app. Lots of useful information. Easy to use. Jun 06, 2019
- Liz C.
United States of America
Total game changer! Whenever I can’t figure out why my youngest is being extra fussy, I open the app and low and behold we’re in a leap! Great for understanding baby’s temperament and development. Apr 10, 2019
- Ashley R.
Sanderson, Texas
One of my #1 favorite apps on my phone. It tells you when you should be expecting your little one to be a little fussier than normal. Mar 02, 2019
- Tiffani C.
Memphis, Tennessee
Completely spot on with fussy days. Love that it gives you so much information about your little one without being overwhelming. Sep 10, 2018
- Kristen S.
Madison, Tennessee
It has helped me a lot to determine what we should be seeing from our little nugget developmentally. Aug 30, 2018
- Kaitlin A.
Woodland , California
While we don't use this as a bible "explain-it-away" cure all, it is soooo helpful to know that going through leaps is the big reason why he's being so different. Jun 26, 2018
- Aqsa A.
Knoxville, Tennessee
This is a really helpful app! It lets me know when my baby will face his fussy periods and why! Also talks about which signs and abilities to be looking for during and after a big leap! Apr 20, 2018
- Molly L.
Eau Claire, Wisconsin
It’s ama bug to me how spot on this app is! It helps me to k ow when a fussy phase is coming up and helps me understand what my baby is going through mentally, emotionally, and physically. Mar 05, 2018
- Laura M.
Plainfield, New Jersey
LOVE that this helps me understand when/why the girls are constantly fussy. Helps to keep me calm when in the thick of things. Jan 05, 2018
- Caitlin T.
San Marcos , Texas
this app helps better understand my LO development. I love that is shares the "stormy" and "sunny" days. Oct 21, 2017
- Catie D.
Auburn, Alabama
Really enjoy this app. Whenever baby is extra fussy I'll check the app and see what developement stage they are in. It helps me know why the baby is fussy and how long it might last. Sep 28, 2017
- Jessica A.
Reno, Nevada
I bought the book to accompany this app. I don't think I would have used the app without the book to follow up with the bulk of the information. Sep 13, 2017
- Lauren J.
Lyndhurst, Ohio
Kind of gives you in sight on what your child could be thinking or doing at that certain age or time period. You know when to look for their stormy times or happy times! Aug 30, 2017
- Secretly Expecting
Plover, Wisconsin
Honestly, I didn't think this app was worth the money.It really didn't match up with what my son was going through, and confusing to use. Their are better apps out there to help first time parents Jul 25, 2017
- Shay O.
Longmont, Colorado
It offers some helpful info/insight into typical developmental stages and milestones and when your child might be fussier because of learning new things - refers to buying the book too much for me Jun 02, 2017
- Gabby M.
Milford, Michigan
So far this really does explain what is going on with baby right as it's happening and it makes a lot of sense Apr 27, 2017
- Alexandra M.
Johnstown, New York
Great app for understanding baby's development. Pretty spot on for us! Dec 19, 2016
- Christa T.
Lakeland, Florida
I somehow survived raising two children. With baby #3, I discovered this app and now it's all coming together! I'm able to better predict his behavior based on his leaps! Oct 05, 2016
- Chelsea A.
Orlando, Florida
This app is a game changer and sanity saver for new parents. Aug 13, 2016
- Kate J.
Union City, Pennsylvania
This is an absolute must have ! Especially for a first time mom like me. This has helped me understand things that my baby is going through so much better. I would really recommend this ! Jan 14, 2016
- Abby V.
Pittsburgh, Pennsylvania
Helps put your mind at ease if you think something is "up" with your baby. It's amazing how spot-on it really is in correlation with my baby's behavior. Oct 17, 2014
- Paula M.
United States of America
great resource in your baby's moods and personality! Jul 28, 2014
- Sari L.
United States of America
Interface is confusing, as is the concept. Then again, I am happy to pin fussiness on a wonder week anytime. Mar 17, 2014
- Virginia G.
San Francisco, California
Who has time to read the entire Wonder Weeks book? This is a delightfully condensed version and I can quickly access to see when developmental milestones are going to hit. Fantastic!! Feb 26, 2014
It's an interesting read. Feb 09, 2014
- Jennifer S.
San Francisco, California
The app to have. It's a weather forecaster for your little one. Just wish it went past 84 weeks. Jan 13, 2014
More Parents' Reviews-
- Alyssa N.
United States of America
Kept me up to date with the mental leaps my baby was experiencing and how to comfort my baby in those hard times! Mar 01, 2024
- Jennifer H.
Lafayette, Indiana
Loved this app! We used it all the time. Especially when we weren’t getting much sleep with a restless baby. It made us feel better for sure. May 16, 2023
- Liz A.
Phoenix, Arizona
Love love love this App! As a new parent, it’s great to read about upcoming developments/milestones and it helps prepare us for the fussy stages! Dec 09, 2022
- Kate J.
Perth, Canada
This was recommended to me and I bought it after some hesitation. It turned out to be really helpful and insightful. I love being prepared to guide my baby through his next leap! May 11, 2022
- Amanda A.
Thunderbay, Canada
Why to know why you baby is more fussy then normal? Look no further Feb 02, 2022
- Vanda F.
Albuquerque , New Mexico
Loved this app, it was so nice to know what we should be expecting each week or month in our babies development! Great app for first time parents!! Jun 23, 2021
- Amy C.
Elrama, Pennsylvania
Great app for learning what your baby is going through during all the different developmental milestones. Also great for knowing why your baby is being extra fussy and clingy at the moment. May 21, 2021
- Katie Q.
United States of America
Used this with both my kids, helpful with getting through leaps and knowing when tough days might be headed our way! Apr 14, 2021
- Amanda S.
Orange, California
Helped to explain some fussiness going on, especially as a FTM. Liked having information about the different “leaps”. A little confusing at times but very interesting. Feb 01, 2021
- Kate W.
Boston , Massachusetts
One of the best! SO helpful to understand what baby is going through developmentally and physically and understanding how it can be impacting sleep and their general disposition. Nov 03, 2020
- Melissa T.
Jerome, Idaho
The built-in calendar showing when leaps are coming up has been so helpful in understanding my baby's changing moods! Knowing how his little world is changing helps me interact and play with him. Oct 18, 2020
- Jessica W.
Orlando, Florida
The breakdown of when you’re baby will go through various developmental leaps is so helpful. It offers insight on understanding behavior and different milestones. Aug 04, 2020
- Tara C.
Troy, New Hampshire
This app was this first time mom's saving grace more than a few times. It would let me know when he was entering or in a developmental stage and what to expect. It definitely helped me a lot! Jul 24, 2020
- Isabelle A.
Parkville, Maryland
This app gives you a very in-depth look at how baby’s developing with each “leap”. Makes it easier knowing why baby’s having a hard day. Apr 18, 2020
- Emily B.
Olympia , Washington
As a new mom, I have loved this to help sort through the different stages of life for our little ones. Mar 01, 2020
- Kim S.
Byron Center, Michigan
Take it with a grain of salt. Sometimes my baby’s fussiness would align with a leap, sometimes it wouldn’t. Feb 19, 2020
- Katie V.
Missoula, Montana
The wonder weeks app has been spot-on at telling me when developmental leaps are upon us and I have found them of great help navigating the fussy symptoms that go along with them. Nov 20, 2019
- Betsy F.
Leesport , Pennsylvania
Wonderful app to navigate through those developmental leaps! Oct 16, 2019
- Julie S.
United States of America
This app has been okay. It was helpful when he was a newborn, but as he has gotten older it is less helpful. The app is well designed, but not sure if I would pay for it again. Oct 07, 2019
- Lauren P.
Valparaiso , Indiana
Bought this app and LOVE IT. Helps me figure out why my child is fussier than normal. It’s always spot on! Sep 28, 2019
- Tabitha C.
San Antonio, Texas
Very informative. Warns when you are about to go through a fussy phase in baby's development. Sep 22, 2019
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