GUN vs back4app : Which is Better?

GUN

GUN is a utility for synchronizing data. Developed by GUN INC

License: Open Source

Apps available for Mac OS X Windows Linux Android iPhone

Back4App is a parse server hosting platform for apps.

License: Freemium

Apps available for Android iPhone Blackberry Android Tablet Windows Phone

Feature	GUN	back4app
Decentralized
Distributed
Peer-To-Peer
Content analysis
Content discovery
Database
Database Publishing
Developer Tools
Distributed Database
Embeddable
Graph database
Graphs
Real-time
Real-time sync
Web Development
Backend
Persistent Storage
Allows subscriptions
Support for Javascript
Observables
Client side encryption
Data streaming
Discovery engine
Apps that Sync with Google Calendar
Real-time bidirectional API
Real-time socket communication
Database as a Service
Database Management
Android Development
Customer support
Push Notifications
Real-time analytics
Browser based
NoSQL database
Works Offline
Decentralized storage
Scalable
Blockchain
Cryptocurrency
Live Push Notifications
REST API
Social media integration
Messages in cloud
GraphQL integration
GraphQL API
Headless CMS
Multi-Factor Authentication (MFA)
Notifications
Dynamic content
Chat
Gaming