Debian vs postmarketOS

Debian

6.8 #7 in Operating Systems

About Debian

postmarketOS

6.4 #13 in Operating Systems

About postmarketOS
DebianpostmarketOS
Free planYesNo
Free trialNoNo
Paid fromFree—
Open sourceNoNo
PlatformsLinux, self-hostedLinux
Free planYesYes
Device typesPersonal computers; cloud virtual machinesphones, tablets, laptops, Chromebooks, single-board computers, x86_64 EFI systems
CPU architecturesamd64, arm64, armhf, ppc64el, riscv64, s390x; i386 supported as a co-architecture for 32-bit software on amd64; armel upgrades onlyaarch64, armv7, x86_64, riscv64
Support lifecycleDebian 13: five years, including three years of full Debian support through August 9, 2028 and LTS through June 30, 2030No 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 managementAPT package installation, removal, and distribution upgradesStable and edge release channels; kernel and system package upgrades; automatic kernel upgrades required for community-category devices
App compatibilityDebian packages (.deb); APT package managerAlpine apk packages; Flatpak is primary application distribution for Duranium
Deployment modelsPhysical computer installation; live boot from CD, DVD, or USB; OpenStack and QEMU cloud images; Amazon EC2 and Microsoft Azure imagesPhysical device installation; Duranium also uses standard GPT partitions on compatible laptops

Both are listed in Best Operating Systems. On Everything Xiaomi, Debian scores higher on our published basis.