Umbanela No.1 Digital Library for Vietnamese Children
2018
Product Designer
Mobile Design, Web Design, UX Design, UX, Frontend Development, Sketch, Photoshop
Building a reading platform to become the leading digital book solution for children aged 2–10 in Vietnam.

The Problem
Umbalena was built with one mission: to inspire a generation of children who love reading.
While most digital platforms focus on games or entertainment, Umbalena focuses on something deeper, helping children develop reading habits and comprehension skills from an early age. In a fast-changing digital world, the ability to learn independently is essential. Reading is the foundation of that ability. By strengthening reading comprehension, Umbalena helps children think critically, learn effectively, and grow into lifelong learners
Outcome
- In under a year, Umbalena has reached 40,000+ parents worldwide, with 60,000 children reading daily and 25,000+ app downloads — an impressive milestone for a young product.
- First Prize — Startup Wheel 2020
- Top 2 — Pioneer Award, Women Startup Competition 2020
- Adopted by 10+ international schools and educational organizations in Vietnam
- ⭐ 4.7 rating (200+ users).
- Widely recognized for its intuitive, colorful, and engaging user experience—one of the most user-friendly children’s reading apps in Vietnam/
The numbers were great, but what mattered more: qualitative feedback said checkout felt "fast" and "easy" for the first time.
Feedback
"Vu, really appreciate your commitment to the project’s success. Your positive feedback and dedication to the design have helped a lot."
Nguyen Viet Thang
Vooc.work - Founder
"Vu designs clear and well-structured systems that help teams move fast with minimal friction. Working with him is smooth, transparent, and highly efficient."
Vooc.work
Development Team
Experience it yourself
Visit the live product to see the design and interaction in action.