# biu

> biu is a study app that turns videos, links, PDFs, and photos of notes into summaries and flashcards, then schedules those cards in a daily spaced-repetition quiz.

Supported platforms: iOS, Android.
Last updated: 2026-07-23.

## Product

- [Homepage](https://getbiu.app): Product overview, workflow, features, pricing, and frequently asked questions.
- [AI flashcard maker](https://getbiu.app/ai-flashcard-maker): Supported study inputs, generated summaries and flashcards, review workflow, and AI limitations.
- [PDF to flashcards](https://getbiu.app/pdf-to-flashcards): Workflow for converting a PDF into an inspected flashcard deck and scheduled reviews.
- [Spaced repetition guide](https://getbiu.app/spaced-repetition): Source-led explanation of spacing, retrieval practice, research limitations, and biu's scheduling behavior.
- [Planned launch pricing](https://getbiu.app/#pricing): Human-readable private-beta status, planned trial, monthly and yearly pricing, and included features.
- [Frequently asked questions](https://getbiu.app/faq): Detailed answers about supported inputs, flashcard generation, daily quizzes, the AI tutor, access, and pricing.
- [Machine-readable pricing](https://getbiu.app/pricing.md): Planned launch pricing, trial terms, private-beta availability, and included features.

## Policies

- [Privacy policy](https://getbiu.app/privacy): How biu handles personal information and user content.
- [Terms of service](https://getbiu.app/terms): Terms governing access to and use of biu.

## Discovery

- [Sitemap](https://getbiu.app/sitemap.xml): Index of public resources.
- [Robots policy](https://getbiu.app/robots.txt): Crawler access rules.