Tools that help you grow,
one habit at a time.
Defyner builds thoughtful mobile apps for productivity, habit-building and self-improvement. Small changes, tracked simply.
Our first app
BookTrail keeps every book in one place.
Track your collection and reading progress across paper books, e-books and audiobooks.
- Track your book collection and reading progress from one dashboard.
- Keep physical books, e-books, and audio books organized together.
- Update the titles you're currently reading with fresh progress snapshots.