Flash Tzu

Yellow Bat Services

About this app

Learn smarter with Flash Tzu

Flash Tzu is a simple, offline-first flash card app designed to help you learn languages, terms, and concepts efficiently — without accounts, ads, or tracking.

Whether you are studying vocabulary, definitions, or custom knowledge sets, Flash Tzu keeps everything on your device, fully under your control.

Key features:
- Create and study flash cards. Build your own flash card sets or use ready-made packs to start learning instantly.
- Multiple learning methods. Study cards using different approaches, including: simple cycle, randomized review, structured repetition.
- Optional translation & AI support: Generate or translate cards using external services such as Gemini or DeepL. Works only with your own API tokens. Requests are sent directly from your device. No data is collected or stored by the app.
- Downloadable card packs. Access a limited selection of pre-made flash card packs, downloadable directly from public repositories.
- Offline-first. Most features work completely offline. Internet access is only required for optional downloads or AI-powered generation.
- Privacy by design. No accounts. No analytics. No ads. No tracking. No backend servers

Who is Flash Tzu for?
- Language learners
- Students and teachers
- Self-learners
- Anyone who prefers simple tools without distractions

Why Flash Tzu?
Flash Tzu was built with a zero operation cost philosophy:
- No cloud dependencies
- No hidden data collection
- No recurring costs passed to users

You own your data. Always.

Permissions
Flash Tzu requests only the minimum permissions required to function.
No personal data is collected or shared.

Start learning today
Flash Tzu is lightweight, fast, and designed to respect your privacy — so you can focus on learning, not settings.

What’s new

- fixed problem with statusbar
- fixed flashes between plan switches