Here, they took a business product, got rid of free plans, and now can sell to a new kind of customer with their same codebase.
Also, a one-time charge for a SaaS app? That's something I haven't seen but could be applicable in a lot of places.
I'm curious how you estimate the cost of access + 1GB storage, forever. What do the terms and conditions say about them turning off the spigot at some point in the future?