LeafyAI

Problem

Someone walks out of a meeting with audio on their phone and a photo of the board. Neither is worth anything until somebody sits down and types it up: you cannot skim a recording, and you cannot search a photograph.

See the solution

Solution

An Android app with five inputs: microphone, PDF, photo, YouTube and pasted text. Each goes through transcription or OCR and comes back as a Markdown note filed into folders. The streak calendar up to 90 days and the achievements are there because a notebook nobody returns to stays empty.

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The home screen: the streak, a search across every note, and folders

What it does

• Five inputs: microphone, PDF, photo, YouTube, pasted text
• Transcription of a recorded meeting and OCR from a document photo
• Notes come back as Markdown and file into folders
• Streak calendar up to 90 days, achievements and pinned notes
• Legal FAQ in its own section, every question with a detail view
• Forced update when the installed version falls behind

How it's built

1. 01Expo 54 with expo-router, routing from the directory layout
2. 02Recording through expo-av, transcription by Whisper large v3 turbo inside Cloud Functions
3. 03OCR and image analysis in a processImage function, not on the phone
4. 04One callAI function fronting three routes: Groq, Gemini, OpenRouter
5. 05Firestore for notes and folders, Realtime Database for backups
6. 06Source lookup through Tavily, notes rendered with react-native-markdown-display
7. 07Shipped over EAS Update with a fingerprint runtime version: a fix reaches phones without waiting on a store review

Stack

• Expo 54
• React Native
• expo-router
• Firebase Functions
• Groq Whisper
• Gemini Flash

Story

The budget is part of the architecture, not a footnote. The model list is closed to what costs nothing: Groq, Gemini Flash, and only the OpenRouter routes with free in the name. iOS was cut entirely. With one person maintaining it, keeping two platforms alive cost more than it returned.