Let’s first start with lots of praise. I was able to create the most impressive product directory within a few days. Had I access to a valid sheet it would have taken under an hour.
That alone should be your tipping point to success, but then I thought it would be a good idea to watch a few more tutorials.
Even though I am technically adept, and just love seeing and hearing Jack speak, I feel that you are missing out on the mass market of people, those who can easily create a basic app, by instantly turning app creation into something apparently complex, even to me.
Clearly there is a high level, high competency, need for such an app builder, but if you want to be successful you need to cater to the masses with a fee structure that ranges from very low to what your initial market of GSheet gurus will bear for certain features.
I would try to focus on the basics, which are by themselves amazing. Charge $3/month for any app that doesn’t have sales or relational capabilities. $10 for relations and $19 for that and sales.
I know my opinion means squat but you really should run a poll. You already have devoted fans that want to see you succeed. Get their opinion. They know what is fair and just.
Trust those that love you or you are truly lost.