Apps like GSM Modem (SMS)

Here are some great alternatives to GSM Modem (SMS) by Sindhi Developers :
Bulk SMS Software Mobile help
Bulk SMS Software Mobile help
★3.5
Messenger SMS - Text messages
Messenger SMS - Text messages
★4.1
Telerivet Gateway
Telerivet Gateway
★3.7
Messages Lite - Text Messages
Messages Lite - Text Messages
★4.3
Bulksmsplans - Unlimited Sms
Bulksmsplans - Unlimited Sms
★3.3
Messages: Private messaging
Messages: Private messaging
★4.5
Write sms by Voice all languag
Write sms by Voice all languag
★4.3
Messages
Messages
★4.0
Messages
Messages
★3.4
Messages - all in one chat app
Messages - all in one chat app
★4.3
MAXSIP
MAXSIP
★4.1
Messages: SMS, Text Messenger
Messages: SMS, Text Messenger
★3.8
Salesmsg - Business Texting
Salesmsg - Business Texting
★4.5
Messages
Messages
★3.7
Messages 2025
Messages 2025
★4.1
SMS Texting from Tablet & Sync
SMS Texting from Tablet & Sync
★4.2