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KaiOS

Mobile · Linux, Unix-like, Android · TCL

KaiOS

2017 v4.0 / May 2025; 1 year ago (2025-05) Proprietary, Linux kernel, GPLv2 Active

Operating system entry sourced from Wikipedia: KaiOS.

Key specifications

Family
Linux, Unix-like, Android
Type
Mobile
Kernel
Monolithic, Linux
Version
4.0 / May 2025; 1 year ago (2025-05)
License
Proprietary, Linux kernel, GPLv2
Released
2017

general

Available in 88 languages
Defaultuser interface Graphical
Developer TCL
Initial release October 2017; 8 years ago (2017-10)
Kernel type Monolithic, Linux
Latest release 4.0 / May 2025; 1 year ago (2025-05)
License Proprietary, Linux kernel, GPLv2
Marketing target Feature phones
Official website www.kaiostech.com
OS family Linux, Unix-like, Android
Package manager Kai, Store
Preceded by Firefox OS, Nokia Asha platform
Source model Source-available (except for the binary blobs)
Supported platforms ARM
Working state Current
Written in HTML, CSS, JavaScript

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Performance profile

Catalog-derived scores for comparison — not benchmark results.

Security 92
Performance 66
Compatibility 60
Ecosystem 100
Modern support 87
Compare with other OS →

Data sources