Amazon Linux vs KaiOS

Amazon Linux

5.2 #13 in Operating Systems

About Amazon Linux

KaiOS

5.0 #41 in Operating Systems

About KaiOS
Amazon LinuxKaiOS
Free planNoNo
Free trialNoNo
Paid from——
Open sourceNoNo
PlatformsLinuxLinux
Free planYes—
Device typesEC2 instances; Docker container workloadsSmart feature phones; non-touch mobile phones
CPU architecturesx86-64 (x86-64v2); 64-bit ARM (aarch64, ARMv8.2+crypto; Graviton2 or later on EC2)—
Support lifecycleAL2023 supported until June 30, 2029; standard support through June 30, 2027, then maintenance support. Individual LTS kernels are supported for four years.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.
Built-in managementDNF package manager; versioned repositories; AWS Systems Manager for fleet kernel update management—
App compatibilityRPM packages from AL2023 repositories; Docker-compatible container image; 32-bit userspace compatibility retained but deprecatedHTML5/web apps; packaged apps can use privileged APIs; hosted apps run content from a web server; app updates/distribution through KaiStore
Deployment modelsAmazon EC2 AMIs; Docker/container images usable in any environment, including local developmentInstalled on OEM/ODM smart feature phones

Both are listed in Best Operating Systems. On Inferse, Amazon Linux scores higher on our published basis.