Grid Diary can be downloaded for free on iOS, macOS, and Android.
The free version includes:
One journal
Limited templates
Limited tags
Limited diary attachments
Auto backups (iCloud or local)
Limited exporting formats
Dark mode
Membership-only features
Sync between devices (account needed)
Unlimited journals
Unlimited templates
Unlimited tags
Unlimited diary attachments
Markdown tools
More editing tools
Export as PDF
Passcode lock
Color themes
Custom prompts
Custom quotes
More stickers
Custom reminders
Custom fonts
Integration with health data
Integration with system calendars
Export to Evernote
Audio and video attachments (coming soon)
End-to-end encryption (coming soon)
Priority customer support