No. The Stremio application is completely legal. It's a neutral tool like a web browser. The legality depends entirely on what addons you install and how you use them.
These are add-ons developed by legitimate streaming services. They require a valid subscription to the respective service to function. stremio addons
The Stremio application features an Add-on Manager that maintains the user's collection. Users add an add-on by visiting a link (e.g., https:// addon-url /manifest.json). The app fetches the manifest and registers the add-on for future queries. The ecosystem is evolving rapidly
The ecosystem is evolving rapidly. Recent trends include: stremio addons