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Help centre / Postmosis

Set up your voice

Your voice is a summary of how you write, made from your past posts. It steers every draft the app writes for you.

Add your past posts

  1. Open Brand, then Your voice.
  2. Paste your own posts into Past post 1 to Past post 5. Fill at least 3, with 100 characters or more each.
  3. Press Save voice profile.

You'll see Voice saved, then Your voice summary. Press Re-distill after you change your posts.

Tell it what's true about you

Under Facts the AI may use, type a fact and press Add a fact. Posts can state these facts about you, and make no other claims. Only add facts you can prove. You can keep up to 20.

Set rules for it

Under What the AI has learned, type a rule such as "Never open a post with a question". Pick what it's for in Use it for: Posts, Videos, Pictures or Everything. Then press Add.

Still stuck? Message us in your WhatsApp group, Monday to Friday, 9am to 6pm. How support works

Last checked 4 November 2026.

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