If you want to export a PDF or PNG file without watermark, you need to purchase a subscription for Xmind Mobile to unlock the full version of Xmind Mobile.
After you purchase the subscription, you can sign in with your account on Xmind Mobile to unlock the full version.
Please follow these steps to export a PDF/PNG file without watermark.
1. Open the map,
2. Tap “...” on the upper right corner,
3. Tap Export,
4. Select PDF or PNG or Markdown to export the mind map.