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Financial News App
Daily market briefings with AI narration behind a secure paywall
- Client
- Financial Media Publisher
- Industry
- FinTech
- Platform
- iOS & Android
- Timeframe
- 2.5 months
About project
A financial news app with daily global market briefings, AI text-to-speech narration and subscriptions validated on the server so premium articles cannot be bypassed.
A market research publisher wanted its daily briefings on phones, with premium analysis protected and an easier way to consume long articles on the go.
Challenges & Solutions
Challenges
Premium content had to stay locked against client-side tampering while new readers could still try the product without signing up.
Solutions
Subscriptions are validated by Firebase and Supabase functions on the server, so the app never decides on its own what a reader may open.
Articles load from Supabase for speed, AI text-to-speech turns them into audio, anonymous sign-in removes the signup wall, and a push goes out to every reader the moment an article is published.
Main functionality
Premium Market Insights with AI Narration and Server-Side Paywall
- AI narration
- Natural text-to-speech for every article.
- Server-side paywall
- Subscription checks the client cannot bypass.
- Anonymous access
- Try the product before creating an account.
- Instant alerts
- Push notifications when a new article goes live.
- Fast loading
- Low-latency article fetching from Supabase.
Results
- 2.5 mo
- to launch
- Launched on the App Store and Google Play
- Articles available as audio for readers on the go
- Premium content protected by a server-side paywall
Technical implementation
- FlutterCross-platform mobile and web
- FirebaseAuth, Firestore, Functions and messaging
- SupabasePostgres, RLS and Edge Functions
- AI & LLMsModel routing, drafting and generation
- Flutter apps for iOS and Android
- Firebase and Supabase functions for validation and content sync
- Row level security across Supabase and Firebase
- Crashlytics, App Check, Performance and Analytics monitoring
Industries
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