KaiOS vs Rocky Linux
| KaiOS | Rocky Linux | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | No | No |
| Paid from | — | Free |
| Open source | No | No |
| Platforms | Linux | Linux, self-hosted, Windows |
| Device types | Smart feature phones; non-touch mobile phones | Servers, workstations/desktops, Raspberry Pi, virtual machines, cloud instances, containers |
| 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. | Major releases: 10 years total, with 5 years active support and 5 years security support; only the latest minor release is supported |
| App compatibility | HTML5/web apps; packaged apps can use privileged APIs; hosted apps run content from a web server; app updates/distribution through KaiStore | RHEL-compatible software environment; RPM packages and DNF package manager |
| Deployment models | Installed on OEM/ODM smart feature phones | Physical installation media, generic cloud images, AWS, Google Cloud, Microsoft Azure, Docker OCI, WSL |
| Free plan | — | Yes |
| CPU architectures | — | x86-64-v3, riscv64, aarch64, ppc64le, s390x (Rocky Linux 10); support varies by release |
| Built-in management | — | DNF package management and upgrade commands |
Both are listed in Best Operating Systems. On Inferse, Rocky Linux scores higher on our published basis.