This is how I got the EyeTV iPhone app to work with EyeTV Mac running Sierra 10.12.3
1. Open Mac System Preferences / Security & Privacy
2. Click the lock (lower left) and enter password when prompted.
3. Click Firewall / Firewall Options
4. Add the eyeConnect.app that you will find here:
/Library/Application Support/EyeConnect/EyeConnect.app
5. Click the lock (lower left) to prevent changes.
6. Close System Preferences window.
7. If EyeTV app is open, close it.
8. Launch the eyeConnect.app that you will find here:
/Library/Application Support/EyeConnect/EyeConnect.app
9. Enter password when prompted.
10. Open EyeTV app.
11. Open EyeTV Preferences
12. Click the Sharing icon (at top)
13. Check both items if they are not checked.
14. Click iPhone button (at top)
15. Click both options if they are not checked.
