Based on our record, DigitalOcean App Platform seems to be more popular. It has been mentiond 1 time since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
I believe you can achieve something similar to heroku using DO app platform https://try.digitalocean.com/app-platform/. Source: over 2 years ago
Heroku - Agile deployment platform for Ruby, Node.js, Clojure, Java, Python, and Scala. Setup takes only minutes and deploys are instant through git. Leave tedious server maintenance to Heroku and focus on your code.
UserGuiding - User onboarding made easy, for less. Create product walkthroughs in a couple of clicks, without breaking the bank.
CapRover - Build your own PaaS in a few minutes!
Usetiful - Fight user churn with great user onboarding. Interactive product tours and smart tips significantly improve your user retention.
Render UIKit - React-inspired Swift library for writing UIKit UIs
Userlane - Digital adoption platform with interactive guidance for software applications allowing anyone to understand and master any software from the get-go.