To send a voice memo on iPhone, you have two main methods: sending an audio message directly in Messages or sharing a recorded voice memo from the Voice Memos app.

Sending an Audio Message in Messages App

1. Open the Messages app and select a conversation or start a new one.
2. Tap the plus (+) icon next to the text field.
3. Select Audio from the menu; recording starts immediately.
4. Speak your message.
5. Tap Stop when done.
6. You can tap Play to review or tap the Send (up arrow) button to send it instantly.

Alternatively, you can press and hold the microphone icon in the message field to record and send quickly upon release

. Note: Audio messages sent this way expire after 2 minutes by default unless the recipient chooses to keep them

Sending a Voice Memo from Voice Memos App

1. Open the Voice Memos app on your iPhone.
2. Tap the red Record button to start recording.
3. Tap the red Stop button when finished.
4. Tap the three dots next to your recording.
5. Select Share.
6. Choose how to send it (Messages, Mail, AirDrop, etc.).
7. Select the recipient and send.

This method is useful for longer recordings or when sending to non-iPhone users, as voice memos do not expire automatically

. Both methods allow you to send voice content easily, with the Messages app suited for quick voice notes and Voice Memos for longer or more formal recordings.