Yes, App Platform. Pricing is a little higher but way lower than AWS but it is fully justified. Zero downtime in the last 1 year.
With Fly, we had 3-4 downtimes in 2023 in a span of 4 months.
Ok so for hobby projects it wouldn't make sense to switch then, but glad to hear it works for you. I haven't been in a position where it would make sense - I have hobby projects where I don't care much about reliability, and then there's the infrastructure the company I work for uses and that's all on AWS