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Before calculating the time required to develop a chat app using android it is necessary to define the requirements as without knowing the requirements it is not possible to find the required development time.
Requirements in a Chat App?
· Registering with Cell Phone No
· Sync Phone Contacts
· Edit Profile Details
· Chat with Individual & Group Contact
· Edit Group Information
· Voice & Video Call Features
· Access Chat and Call History
· App Setting Management
· Star Chats based on Priority requirements
· Connect the chat app with Web/Desktop
· Account Setting
· Chat Customization
· Backup Storage Setting
· In-App Support
· End-to-End Encryption
· Notification Setting
The above requirements just describe the basic necessity in a chat app, So the addition of extra features and requirements will change the development timeline of the chat app.
Based on the above points it can be estimated that an Android & iOS app will take approximately 1500 hours to develop.
