MarkThatDownKeep control of the replacement
Select a passage and choose a Writing Tools action. Review the original and suggested replacement. Choose Replace Selection only when the change says what you mean.
Compatibility and privacy
This feature requires macOS 26 or later and compatible Apple Intelligence hardware. The editor supports macOS 14 or later without Writing Tools. No external AI service is provided.
Free writing stays available
MarkThatDown has no free note limit. Optional Pro access is available monthly, annually, or through a one-time lifetime purchase. Apple shows your local price and eligible offers before purchase.