When comparing Apache Usergrid vs Back4App, the Slant community recommends Back4App for most people. In the question“What are the best self-hosted BaaS (backend-as-a-service) providers?” Back4App is ranked 1st while Apache Usergrid is ranked 9th. The most important reason people chose Back4App is:
The platform is reliable allow to scale up the applications running on it.
Ranked in these QuestionsQuestion Ranking
Pros
Pro Multiple SDKs
Usergrid has full SDKs for iOS, Android, and HTML5/JS but also node.js, Ruby on Rails, pure pure Ruby, server-side Java, .NET / Windows and PHP.
Pro Apache Cassandra
Pro Asset storage
Pro Supports OAuth 2.0
Pro Open Source
Pro Open source
Back4app is an open source BAAS and Backend generator.
Pro Smooth migration from Parse
Back4App offers a smooth migration for all former Parse users who wish to migrate their data now that Parse has announced that it will stop soon.
Cons
Con Uses MongoDB for the backend, which is not considered very safe by many
Back4App uses MongoDB as the database where data is stored. Mongo has been known to have issues with data corruption and data loss.