I currently use Guesty for my PMS. I am currently in talks with Hostaway to move to their platform. Couple of things I don't like with guesty:
1. They nickel & dime you for a lot of items. For instance, for any reservations with VRBO and some 3rd party or direct book reservations, they use their own cc processing which has high fees. They also have a "reserve" fee in which they collect 10% of every credit card transaction and hold it for 90 days before releasing it back. I recently had a client book one of my properties with VRBO and I was hit with $150 processing fees, $39 intl card fee plus $386 in reserve fees. Guest ended up cancelling (within cancellation window) and now I am out about $190 of fees that guesty wont refund along with guesty holding on to $386 for another 90 days before they will release it.
2. A lot of items are difficult to find on their dashboard and you have to go through multiple menus to find, just not very intuitive sometimes.
3. I like the hostaway calendar a lot better. Easier to see pricing, minimum days, etc. Hostaway also lets you see where holidays fall on the calendar along with allowing you to post special notes on the calendar for special events, etc.
4. Support is not the best on Guesty, they have zero phone support, everything is via email. they are good about responding to emails, but may take 6-24hrs and many times they don't answer the question fully so you have to go back & forth a couple of times which is frustrating when you have to wait long times for responses.