Tech riderRev. 23 Sept 2026
- 1Runs onLinux
- 2CostsNot stated by the maker
- 3Device typesSmart feature phones; non-touch mobile phones
- 4Support lifecyclePublished active baselines include KaiOS 2.5.3 and 3.1 through June 30, 2027, and 2.6 and 4.0 through June 30, 2029. KaiOS separately describes at least three years of support for versions 2.6.x and 4.x.
- 5App compatibilityHTML5/web apps; packaged apps can use privileged APIs; hosted apps run content from a web server; app updates/distribution through KaiStore
- 6Deployment modelsInstalled on OEM/ODM smart feature phones
5 lines stated Written from the maker's own pages: kaiostech.com
Overview
KaiOS is ranked #41 of 45 in operating systems on Specifiction. It runs on Linux.
Compared on operating systems
- Device types
- Smart feature phones; non-touch mobile phoneskaiostech.com
- Support lifecycle
- Published active baselines include KaiOS 2.5.3 and 3.1 through June 30, 2027, and 2.6 and 4.0 through June 30, 2029. KaiOS separately describes at least three years of support for versions 2.6.x and 4.x.kaiostech.com
- App compatibility
- HTML5/web apps; packaged apps can use privileged APIs; hosted apps run content from a web server; app updates/distribution through KaiStorekaiostech.com
- Deployment models
- Installed on OEM/ODM smart feature phoneskaiostech.com
Best KaiOS alternatives
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Where it ranks on Specifiction
- Best Operating Systems in 2026#41 of 45
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