Diun vs Cosmos Cloud: Compared

Quick Verdict These solve different problems at different scales. Cosmos Cloud is a full self-hosting platform with container management, reverse proxy, and auto-updates. Diun is a lightweight notification service that tells you when container image updates are available. If you use Cosmos Cloud, you probably don't need Diun. If you use Portainer or Dockge for management, Diun adds valuable update awareness. Overview Cosmos Cloud is an all-in-one self-hosting platform combining Docker management, reverse proxy with SSL, app marketplace, VPN integration, security features, and automatic container updates. Current version: v0.20.2. Diun (Docker Image Update Notifier) is a single-purpose tool that monitors Docker registries for new image versions and sends notifications via 20+ providers (Discord, email, Slack, Gotify, etc.). It does not apply updates — notify only. Current version: 4.31.0. Feature Comparison Feature Cosmos Cloud v0.20 Diun 4.31 Container management Yes (full GUI) No Reve