Apps like String — Modern Phone Inbox

Here are some great alternatives to String — Modern Phone Inbox by String (NumberBarn LLC) :
Salesmsg - Business Texting
Salesmsg - Business Texting
★4.5
Business Text Messaging & SMS
Business Text Messaging & SMS
★3.3
SimpleTexting
SimpleTexting
★4.1
alive5
alive5
★3.3
Bigly Phone
Bigly Phone
★3.6
Auto Text: Schedule, Auto Send
Auto Text: Schedule, Auto Send
★3.9
Podium - Small Business Tools
Podium - Small Business Tools
★4.4
InText
InText
★4.6
Messages
Messages
★4.4
respond.io - Inbox
respond.io - Inbox
★3.8
Messages - SMS & MMS Texting
Messages - SMS & MMS Texting
★4.4
smrtPhone
smrtPhone
★3.8
Index: Business Phone Number
Index: Business Phone Number
★4.1
CommuniqAI – Easily in Touch
CommuniqAI – Easily in Touch
★3.8
Messages: Text Messaging App
Messages: Text Messaging App
★4.2
Messages
Messages
★4.1