wonderweeks
baby calendar
Free · Designed for iPad. Not verified for macOS.
Never Miss Your Baby's Special Growth Moments!
Wonder Weeks is an app that tracks the 10 crucial developmental leaps in your baby's brain development. We've removed all complicated features to provide only the essential information in a clean, intuitive interface.
Key Features Instantly check current Wonder Week stage with just birth date input
Intuitive progress indicator for quick understanding
Developmental characteristics and parenting tips for each stage
Countdown to next Wonder Week
Clean and soft design for comfortable user experience
Perfect For Parents with babies aged 0-20 months
Those who want to systematically understand baby development
Users who prefer simple functions over complex apps
Anyone wanting to apply Wonder Weeks theory in daily parenting
What are Wonder Weeks?
A developmental pattern discovered by Dutch developmental psychologists, showing that babies experience 10 major developmental leaps in their first 20 months. During each stage, babies acquire new abilities, and understanding these periods enables more effective parenting.
Why Choose Wonder Weeks App?
Based on Wonder Weeks theory verified by countless parents worldwide
Minimal design focusing only on essentials
Emotional UI designed for modern parents' preferences
Supports both Korean and English for diverse users
Make your precious time with your baby more meaningful. Download now and start your baby's unique growth journey!
App Highlights
One-tap access to current developmental stage
Beautiful, calming interface perfect for new parents
Evidence-based development tracking
No overwhelming features - just what you need
Suitable for babies from birth to 20 months
Transform your understanding of your baby's development with Wonder Weeks!
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
Fix ad bug.
The developer, Jeongsep Lee, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Identifiers
- Usage Data
- Diagnostics
Data Linked to You
The following data may be collected and linked to your identity:
- Usage Data
- Diagnostics
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Location
- Identifiers
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Jeongsep Lee
- Size
- 38.5 MB
- Category
- Lifestyle
- Compatibility
Requires iOS 12.0 or later.
- iPhone
Requires iOS 12.0 or later. - iPad
Requires iPadOS 12.0 or later. - iPod touch
Requires iOS 12.0 or later. - Mac
Requires macOS 11.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Contains
Advertising
- Copyright
- © 2025 Mike Lee