App with AI-generated content

Year: 2025
Runs on: Android

AI creates content from a few user choices and speech synthesis reads it aloud. A mobile app, our own backend and in-app purchases.

Who it is for

Users who want content made for them, to read and to listen to.

What it solves

Ready-made content does not fit a particular reader.

Our role

Mobile app and backend

What was built

Content generated by AI from a few user choices
Speech synthesis in several voices, with the text being read highlighted
Character animation synchronised with the audio
Content moderation and age verification
Google Play purchases verified by the server
Background playback, push notifications and an admin panel

Technologies

Flutter, Symfony, MySQL, OpenAI, ElevenLabs, Firebase, Docker

What it is

A mobile app in which AI creates content from a few user choices and speech synthesis reads it aloud. Behind it is our own backend with an admin panel.

How it works

The Symfony backend requests text from an OpenAI model, runs it through moderation and turns it into speech with ElevenLabs. Audio files and images go to cloud storage. The Flutter app plays them in the background as well, highlights the passage being read and moves an animated character in time with the audio.

Purchases and safety

The server verifies Google Play purchases and also receives notifications about changes to subscriptions and payments. Accounts have age verification, and all content goes through moderation.

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Tell us about your project

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