Waxstat

Paywalling this app when you can’t even properly cache login credentials on a web client is really poor form. Then requiring a login to make a search, even worse. You could be monetizing people but instead you’re relentlessly adding friction to the experience.
The entire premise of your product is to sell something for another vendor and save the customer time/money in the process of doing so.
If you simply focus on doing your job well there should be plenty of ways to monetize this other than reducing the actual value of the product you created. You’re biting off your nose despite your face.
You badly need to consult with a product manager.