Can I use the IKEA Home smart app with TRÅDFRI gateway?
No. The app "IKEA Home smart" only works with DIRIGERA hub, and the app "IKEA Home smart 1" is only compatible with TRÅDFRI gateway.
The apps IKEA Home smart (works with DIRIGERA hub) and IKEA Home smart 1 (works with TRÅDFRI gateway) can be updated in either App Store or Google Play, wherever you first downloaded it. Make sure to keep your app updated to enjoy the latest features! DIRIGERA hub and TRÅDFRI gateway, together with your smart products, automatically stay updated.