All Tacx Smart trainers are compatible with Zwift. To connect your Smart trainer with Zwift, you need to have an ANT+ antenna (T2028).
The T2790 Bushido for Tablet is not compatible with the iOS App from Zwift. This one works only with Tacx Apps.
It is very important to do the firmware update via Tacx Utility App (available via App Store and Google Playstore. Connect he trainer as a Smart trainer.
1. Put the ANT+ antenna into the USB port. Make sure you have deactivated any Garmin Software or Garmin express.
2. Search for Controllable Trainer. Then you are able to connect a Tacx Trainer (see below Tacx NEO).
3. Press OK and the trainer will connect with Zwift. The Powermeter and Cadence will be connected automatically with Zwift. If you want to use an extern meter, then you can connect this individual