Lifestyle ยท Case study
Worlds: Memory Journals
Private and shared memory journals for couples, friends and family.
- Platforms
- iOS, Android
- Category
- Lifestyle
- Status
- Live on the stores



The product
What we built
Kotlin MultiplatformCompose MultiplatformFirebaseRevenueCatKtorKoin
Worlds lets people keep dated memory journals, either alone or in invite-only shared spaces with a partner, friends or family.
We built Worlds from one Kotlin codebase with Compose Multiplatform, so iOS and Android ship together. That covers the calendar view, real-time sync, image handling and the subscription paywall.
- Invite-only shared Worlds where every member adds memories
- Private solo Worlds for personal entries
- Photos and the story behind them, saved to the day they happened
- Calendar browsing and search for old memories
- Premium plan with unlimited Worlds and custom covers
Screens
A closer look




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