Photon OS vs postmarketOS

Photon OS

6.1 #25 in Operating Systems

About Photon OS

postmarketOS

7.0 #6 in Operating Systems

About postmarketOS
Photon OSpostmarketOS
Free planYesYes
Free trialNoNo
Paid fromFreeFree
Open sourceNoNo
PlatformsLinux, self-hostedAndroid, Linux
Free planYesYes
Device typesBare-metal systems, virtual machines, Raspberry Pi, cloud instancesphones, tablets, laptops, Chromebooks, single-board computers, x86_64 EFI systems
CPU architecturesx86_64, ARM64/aarch64aarch64, armv7, x86_64, riscv64
Support lifecycleSecurity updates as needed; non-security package updates described in legacy FAQ as quarterly; no fixed duration verifiedNo fixed duration stated; stable kernel packages are kept up to date while the release is supported; device support depends on category and maintainers.
Built-in managementtdnf package manager; Photon Management Daemon; RPM OSTree; Network Configuration ManagerStable and edge release channels; kernel and system package upgrades; automatic kernel upgrades required for community-category devices
App compatibilityDocker and other container formats; Kubernetes; RPM packages via tdnf; RPM OSTreeAlpine apk packages; Flatpak is primary application distribution for Duranium
Deployment modelsBare metal; VMware hypervisors; ISO installation; OVA appliance; AWS AMI; Google GCE image; Azure VHD; Raspberry Pi imagePhysical device installation; Duranium also uses standard GPT partitions on compatible laptops

Both are listed in Best Operating Systems. On Specifiction, postmarketOS scores higher on our published basis.