Recommendations : software with multiple unit listing and unified inbox

[Nigel57]

Hello guys.

I’m looking for a property management/channel manager software that has below requirement

1. at least 3 OTA channels - Airbnb, bookingxxx, agxxx
2. supports multiple unit per listing for Airbnb
3. has unified inbox so that messages from all OTA will be sync in one place.

I know guesty and getdirectio. but guesty is pricey and getdirect doesn’t respond. Any other alternative you know about