How to auto-reply to messages on Android when you can't answer
Sometimes you can't answer — you're driving, in a meeting, or asleep — but leaving people waiting isn't great either. An automatic reply tells them you've seen it and will get back to them.
How auto-reply works on Android
An automation app can do what you would do by hand, step by step:
- A message notification arrives.
- The app checks it matches what you set — which app, which words.
- It opens the chat, types your reply into the message box and presses send.
Because it works through the screen like you do, it isn't limited to one messenger. Your messages stay on your phone.
What to write
- Short and clear: "Driving now, I'll call you back in 30 min."
- Don't overpromise: "I'll reply later" is safer than a specific time you may miss.
- Vary it if people message you often. The same sentence ten times a day looks robotic.
- Leave out private details, like where you are, in replies that could go to anyone.
Setting it up with Flow Macro
In Flow Macro, auto-reply is a simple flow:
- Wait: choose a notification to wait for — from a specific app, or containing certain words.
- Act: open the chat, then type text into the message box and send. Write several lines and it picks one each time, so replies don't all look the same.
- Turn it on. It runs every time a matching notification arrives, without opening the app.
Useful with it:
- Schedules — turn the reply on only during work hours or at night.
- Device events — start when you connect earphones or plug in the charger.
- Loud alerts — let important notifications ring with an alarm sound even on silent, so urgent messages still reach you.
Screen text and notification content never leave your phone.
Before you turn it on
- Test it with a friend so you know exactly what gets sent.
- Limit it to the right apps or chats — you probably don't want to auto-reply to group chats.
- Turn it off when you're available again, or let a schedule do it.