Is there a way to send an automatic text response?

Android Auto, a Google-made app, has auto-respond already baked-in as a feature and it can be installed on any modern Android phone. Tap the menu button, then Settings, then Auto-reply and compose your message.

Can you send an auto reply text on Android?

On Android, try an app like Auto Reply (free). It lets you create custom away messages and set times for them to be set. Once activated, your friends will automatically begin receiving your note—like “I’m in the Bahamas!”—when they text you.