Voivoi

English that feels like play. Bé học tiếng Anh vui — cùng chú voi Voivoi 🐘

Voivoi is a bilingual learning app for children ages 2–6. Every word can be heard in English or Vietnamese with one tap — so toddlers learn a new language with the comfort of their own.

Get early access See how it works

Coming soon to the App Store · Launching first in Vietnam 🇻🇳

One tap, two languages.

Most kids' English apps assume a child already understands English instructions. Voivoi doesn't. Our bilingual voice toggle lets a child — or a grandparent — switch every word, instruction, and celebration between English and Vietnamese instantly.

All audio is recorded by real voice artists and baked into the app, so lessons sound warm and work fully offline — on a plane, in the countryside, anywhere.

Elephant
tap the language to switch

In the app, every tap also speaks the word aloud.

Four worlds to explore

Each pack teaches through the same gentle loop — meet it, play with it, earn a star. Built for ages 2–6, with difficulty that adapts by age band.

Animals

26 animals with real sounds, names and habitats

Available at launch

Alphabet

Letters, phonics and finger tracing

Available at launch

Colors

Spot, match and mix the world's colors

Coming next

Numbers

Count, compare and trace 1 to 10

Coming next

How a Voivoi lesson works

1

Meet

Voivoi the elephant introduces each new word with sound, motion and a friendly voice in the child's chosen language.

2

Explore

Free play — children tap anything to hear it speak. No timers, no pressure, just curiosity.

3

Play & earn

Short challenges — "Find the lion!" — reward every child with stars and stickers for their collection.

There is no way to fail in Voivoi. A wrong tap gets a gentle wiggle and another try — never a buzzer, never a red X. Confidence first; accuracy follows.

Built so parents can hand the phone over

Voivoi is designed for Apple's Kids Category and COPPA from the first line of code — not retrofitted later.

✔ No ads, ever

No banners, no videos, no third-party ad networks anywhere in the app.

✔ No accounts

Nothing to sign up for. No email, no name, no photos collected from your child.

✔ Works offline

Every lesson and every voice is on the device. Airplane mode is fine.

✔ Parental gate

Settings and any external links sit behind an adults-only gate.

✔ Kids-safe analytics

Crash and usage data only, with no advertising identifiers and no tracking.

✔ Calm by design

No loud fail sounds, no dark patterns, no "watch to continue". Sessions end happily.

Why we're building this

Voivoi is built in Ho Chi Minh City by a senior mobile engineer with eight years of experience shipping language-learning products used by millions of learners worldwide.

Across Asia, parents invest heavily in early English — but the best-known kids' apps are English-only, which leaves two-year-olds confused and parents translating every screen. Voivoi's bet is that bilingual-first is the right way to teach a second language to very young children: the home language is the bridge, not the obstacle.

Vietnamese–English is our first pair. The same engine — data-driven lessons, pre-recorded dual voices, one shared play loop — is built to carry Thai, Indonesian, Korean and beyond.

Where we are

  1. Product & design system completeFull app design, 11 screens, interactive prototypes
  2. Animals & Alphabet packs built26-animal content set with Vietnamese voice support

Be first in line

Want early access for your family, or to talk partnerships, investment or press? We'd love to hear from you.

Email the team