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Mender vs SWUpdate

How Mender and SWUpdate differ on target hardware, rollback, deployment and cost.

MenderSWUpdate
TypeLinux OTAOSS Linux updater
TargetsEmbedded LinuxEmbedded Linux
DeploymentSaaS + self-hostedOn-device (no server)
RollbackA/B partitions with automatic rollback on failed bootConfigurable: A/B, single-copy, or rescue, with bootloader integration
How it worksWrites the new root filesystem to the inactive partition, reboots into it, and rolls back automatically if the device fails to check in. Delta updates and phased rollouts sit in the paid tiers; the update mechanism itself is open source and self-hostable.A configurable updater invoked on the device. You describe the update in a sw-description file, and it handles verification, signature checking and writing to the right place — U-Boot, GRUB or EFI integration decides what happens on a failed boot. There is no management backend; pair it with hawkBit or your own.
Pricing*OSS free; hosted from $34/moFree
Free tierYesYes
Open sourceApache-2.0 (client + server)GPL-2.0
Best forLinux fleets that must never brickCustom update logic on Yocto builds

Mender

  • A/B rollback is the safest widely deployed model
  • Genuinely usable open-source edition, not a crippled demo
  • Self-host or hosted without changing the client
  • Dual partitions cost you flash — roughly double the rootfs
  • Not designed for constrained MCUs

SWUpdate

  • Extremely flexible update strategies
  • Tiny footprint, no runtime service
  • Signature verification and encryption built in
  • No fleet management whatsoever
  • Configuration is expert territory

Bottom line

Choose Mender for linux fleets that must never brick. Choose SWUpdate for custom update logic on yocto builds.

* Published list pricing (vendor pricing pages, August 2026).