Alternatively, you can use apple’s continuity feature for sms.
How to forward text messages from one iphone to another. Imessages appear as blue bubbles. If you're not using two. Find the message / conversation thread containing the message (s) you want to forward and send to another.
To transfer messages to new iphone from old iphone using itunes or finder, follow these steps: Open the messages app on your device, and then select the conversation you’d like to. This is possible using the sms feature in continuity.
Press the three vertical dots icon that appears, then tap forward. When someone sends you an sms or mms message on your iphone, it appears as a green bubble. Type out your intended recipient (s), or hit the + icon to select from your contacts list.
On this screen, you'll need to select the type. Now press send to forward your message. On your iphone, go to settings > messages > text message forwarding.* choose which devices can send and receive text messages from your iphone.
Connect your device, enter the application and select 'back up & export from device' on the left, then click 'export data'. Launch the settings on your iphone and select messages option. To set up message forwarding on your iphone, follow these steps:
Tap the circle to select the messages, images, and anything else you want to forward. In the messages app, tap and hold the message you want to forward. In the messages app, press and hold the text message bubble you wish to forward.