Show HN: Kibo, AI expense tracker for Android with AI categorization

Hacker News - AI
Aug 17, 2025 22:35
saulmm
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Summary

Kibo is a newly launched Android expense tracker that leverages AI and OCR to automatically categorize expenses and extract transaction details from receipts, aiming to provide a fast, lightweight, and privacy-focused alternative to existing budgeting apps. The app uses a fine-tuned NLP model for instant category suggestions and offers features like end-to-end encrypted cloud sync and a clean Material You design. This demonstrates practical integration of AI for everyday personal finance tasks, highlighting the growing trend of user-friendly, privacy-centric AI applications in mobile tools.

Hi HN, I’ve been working nights and weekends on my first Android app, and last week I finally launched it. It’s called Kibo, a simple, privacy-focused expense tracker that uses AI and OCR to make logging expenses less painful. The problem I wanted to solve: I tried a bunch of budgeting apps, but most were either slow, bloated, full of ads, or locked basic features behind subscriptions. I wanted something I’d actually use every day — fast, lightweight, and private. What Kibo does: • AI suggests categories + emojis instantly from the expense name • OCR reads receipts and fills in transaction details automatically • Clean Material You design with light/dark/system themes • Free tier includes 20 transactions/month with unlimited custom categories • Secure cloud sync (end-to-end encrypted) Tech stack: Built with Kotlin + Jetpack Compose, Firebase for auth/storage, and MLKit for OCR. AI categorization uses a lightweight NLP model fine-tuned on category datasets. I’d love feedback on both the