Application Layer (HTML5/JS)
KaiStore web apps, system UI, and partner integrations.
Platform Architecture
KaiOS enables digital services through lightweight smart mobile experiences, telecom integration, and app ecosystems.
A secure, web-first stack optimized for constrained hardware.
KaiStore web apps, system UI, and partner integrations.
Rendering engine, standard W3C APIs, and device APIs.
HAL (Hardware Abstraction Layer), driver modules, and radio RIL.
Support for 512MB RAM, keypad UI, and non-touch displays.
Core capabilities that connect users, operators, and developers.
Essential messaging, maps, and financial tools on affordable devices.
Web-based content and utilities distributed through KaiStore.
Operator customizations, regional services, and proprietary app bundles.
Lightweight experiences engineered for constrained hardware and legacy networks.
PLATFORM ECOSYSTEM
From dependable devices, KaiOS connects a lightweight platform, relevant apps, and operator services into practical digital access.
Keypad and smart feature phones built for long battery life and 4G connectivity.
Secure Core and Web Engine designed specifically for low-resource hardware.
KaiStore ecosystem connecting developers, telecom operators, and essential global apps.
Empowering the next billion users with access to communication, content, and digital services.
