Kaifuz Studio
KaiPlay Icon KaiPlay — Toddler Playroom

First words through
calm play.

KaiPlay is a calm little playroom for toddlers — a warm, wooden world where a child learns their first words simply by playing. Home is a playroom: toys sit on the floor and one tap opens a toy. Nothing to read, no menus.

iOS & Android (works beautifully on E-Ink devices too)
In development (formerly BabyVocab)

A roomful of toys

Swipe to explore the playroom

A calm wooden playroom
A calm wooden playroom
Float among the stars
Float among the stars
Wake gentle dinosaurs
Wake gentle dinosaurs
Sail to tiny islands
Sail to tiny islands
Cook for a hungry guest
Cook for a hungry guest
Stack a wooden rainbow
Stack a wooden rainbow

Gentle wooden toys

A roomful of gentle wooden toys — a little town, a kitchen, a market, a garden, drawing, wooden blocks, driving and more.

13 languages

First words woven through play, spoken clearly — Vietnamese and English free, plus 11 more languages with Premium (13 total).

Soothe mode

One tap to a quiet, calming screen when it's time to wind down. Wellbeing timers, quiet hours and gentle breaks that pace each session.

Parent Zone

A Parent Zone behind a parental gate, with private on-device play insights.

Safe & private

No ads. No data collection. Nothing leaves the device.

KaiPlay Premium

KaiPlay Premium is an optional family subscription with a free trial — it unlocks every toy, all 13 learning languages and the full vocabulary. The calm core stays free forever.