I love this tool, but I am pessimistic because the following is probably going to happen next:

1. At some point, the app will be covered with tonloads of ads to the point of impossibility to use

2. The core functionality will be hid behind sign-up/sign-in walls. The email addresses will be collected and then spammed to the brim

3. To add an insult to the injury, the app features will be gradually crippled unless you switch to a "Pro" plan. But you will not be able to do that efficiently as a user because you will be constantly attacked, bombarded and poisoned by ad banners and popups everywhere

4. Then, the app will start to upsell other offerings (of course, with modal banners!)

Those are cynical observations but they are 99% precise. I wish you good luck if you are among 1% elite.