Play comes first
Short, hands-on activities make room for thinking, trying again, and discovering without scores, streaks, lives, or speed pressure.
Early mathematics · Ages 4–5
Vachag
A little world for big mathematical ideas.
Vachag invites young children into Number Grove for 66 calm, replayable journeys across counting, patterns, shapes, measurement, position, and early operations.
Coming to the App StoreEnglish and Spanish
The complete experience includes visible and spoken guidance in English and Latin American Spanish.
Private and offline
No child accounts, ads, analytics, or third-party tracking. Profiles and progress remain on the device, and core play works offline.
Built for access
VoiceOver, Dynamic Type, Increased Contrast, Reduce Motion, and clear non-color cues are part of the product—not afterthoughts.
The curriculum
Inside Number Grove
Children move through a carefully sequenced collection of playful mathematical experiences.
- 01Numbers & quantities
- 02Patterns & relationships
- 03Shapes & space
- 04Measurement & data
For grown-ups
A calm boundary for families.
Journeys 1–3 are always available without a purchase. Subscription choices, restoration, sound controls, legal information, and local-data deletion live behind a grown-up multiplication gate.