§ The Journal

Inside Flash Fluency.

Insights, updates, and behind-the-scenes stories from building Flash Fluency.

2026-06-30

Hangul cheat sheet

Everything you need to know about hangul. Free.

2026-05-06

Most apps grade what they think you said. We grade what you actually said.

2025-04-09

Discover our core sentence retrieval algorithm that blends comprehensible input with spaced repetition.