Case Study
Vidunderlig: Baby Mental Development Tracker
The Challenge
What Needed Solving
Vidunderlig wanted to build a baby mental development tracker, but struggled with a 35% user drop-off rate because parents found manual activity logging too slow. They also lacked offline support, preventing parents from logging data while away from Wi-Fi.
Our Approach
What We Built
We rebuilt the app in React Native with a local-first offline synchronization architecture, reducing log entry time to under 5 seconds. The custom Leap Calculation Engine runs locally on the device, pushing parent retention up to 85% and maintaining a 4.9/5 app rating.
Delivered
What We Shipped
Milestone tracking across key developmental leaps
Personalized reminders and guidance content
Easy logging of activities and behavior changes
Results
By The Numbers
85%
Parent Retention
0.2s
Offline Sync Speed
15k+
Active Parents
4.9/5
App Rating
Stack
Technologies Used
More Work
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