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Mobile product · Flutter
Lingola Kids Stories
A multilingual reading and vocabulary platform for children
iOS + AndroidReleased on iOS and Android

Store screenshot · Repository asset
Overview
What the product is
Lingola Kids Stories is an interactive children's reading and language learning app. It combines story browsing, audio-assisted reading, word-level highlighting, vocabulary tools, progress syncing, referrals, notifications, and premium unlocks.
My role
Flutter engineer for reading, audio, vocabulary, authentication, notification, and subscription flows.
Product focus
Turned reading, listening, vocabulary, and progress tracking into one child-focused learning experience.
Key work
The parts that needed product thinking
- Built a story-first home experience with featured content, categories, recommendations, continue-reading, and reading history.
- Connected the app to a REST backend for authentication, profiles, story catalog data, progress syncing, ratings, feedback, referrals, and notifications.
- Implemented guest login, Google sign-in, Apple sign-in, token refresh, and secure session storage.
- Added guided story playback with audio support and word-level highlighting for synchronized reading.
- Included vocabulary tools with translation, text-to-speech, saved words, and a shared library of popular terms.
Stack
Tools used in the work
- Flutter
- Riverpod
- Firebase
- REST API
- Audio
- RevenueCat
Visuals
Product evidence and project artwork

Continue exploring
Open the project or store listing when you want the external context.