The core of the social app development is a database with personal details of the members. Basic profile data for the user can be retrieved via REST API calls from a social network that a user used to register. Also, users can enter emails and passwords to sign up but usually they pass on this.
Users express themselves via the profile so it is important to provide some specific tools, like:

Front-end User

• Signup and Login process
• User Profile. (Personalize your profile with status, updates, photos, albums etc. )
• Messages. (Text, chat and group’s conversions)
• Privacy Settings.
• Search for every feature(Groups, Events)
• Push notification.
• Group joins and create.
• The event joins and create.
• Add and Remove friends.
• Add post – updates, photos, and videos
• Share post on the newsfeed, share on facebook, whatsapp…etc
• Comment and like to post
• Add/update/delete/list group/community
• Add/update/delete/list event
• Get notified when friends like or comment on your posts, photos, videos etc.
• Able to upload pictures taken from camera or gallery.
• Post anything, from anywhere.
• Chat (one to one, group chat, audio/video call, file sharing, emojis)
• Add friends/suggest friends based on algorithms
• Advertisement
• Topic/User-friendly
• User friendly
• Light weight