vb.business vb.business
Case study

A finance app inside Telegram

A full personal finance manager — banks, cash, crypto — as a Mini App, no app stores.

Context

The goal: manage multi-account, multi-currency finances with smart categorization — without the cost and time of a native iOS + Android app.

What we did

  • A Telegram Mini App with a full interface and integrated bot.
  • AI transaction categorization and automatic receipt reading.
  • Bank sync and real-time exchange rates.

Stack

  • Telegram Mini App
  • FastAPI
  • OpenAI
  • PostgreSQL

Outcome

  • A complete app with no App Store or Google Play.
  • Transactions categorized automatically.
  • From concept to working product in short cycles.