offline-communication

Communication solutions without internet

Mobile Dev Create SMS/MMS Messenger App for Offline Group Chat

Learn how to build an SMS/MMS messenger app like iMessage for offline communication with group messaging. Use Android SmsManager API, cloud gateways like Twilio, self-hosted solutions, or mesh networks for reliable messaging without internet.

#android
#group-messaging
#messaging
#offline-communication
#sms

1 answer• 1 view

02/12/2026, 03:42 PM