What is the difference between bubble and power app
Bubble is better and I don’t even need to search for you to find out what Power app is
Power Apps is good for a small number of use cases such as basic data management. Of course, some integration is out of the box (like teams i.e., MS products). Bubble is more like general-purpose no-code tool with more flexible functionality.
For example, in PowerApps, you can easily display a data in a nicely designed table, send any changes to this table via MS Teams while executing a stored procedure in a MSSQL Db in addition to that. But doing anything non-MS is extremely hard and is definitely not no-code at all (understandable business strategy from their point of view).
In Bubble, you can do all these with a bit more effort but you can integrate more with other tools and technologies as well. Also, publishing. In Bubble, it is easier as far as I see.