KaiOS vs Raspberry Pi Imager
| KaiOS | Raspberry Pi Imager | |
|---|---|---|
| Free plan | No | No |
| Free trial | No | No |
| Paid from | — | — |
| Open source | No | No |
| Platforms | Linux | Linux |
| Device types | Smart feature phones; non-touch mobile phones | Raspberry Pi computers; PC and Mac (Raspberry Pi Desktop) |
| 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. | Regular free updates, including security patches; no fixed support duration stated |
| App compatibility | HTML5/web apps; packaged apps can use privileged APIs; hosted apps run content from a web server; app updates/distribution through KaiStore | APT package manager; desktop Add / Remove Software; 64-bit edition can run 32-bit software |
| Deployment models | Installed on OEM/ODM smart feature phones | Installable disk image on Raspberry Pi boot media; PC and Mac image via Raspberry Pi Desktop |
| Free plan | — | Yes |
| CPU architectures | — | 32-bit and 64-bit |
| Built-in management | — | APT software and firmware updates; graphical Add / Remove Software; raspi-config / Control Centre |
Both are listed in Best Operating Systems. On The Geeks Club, Raspberry Pi Imager scores higher on our published basis.