Postscriptum vs Oh My Notes
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
Postscriptum compared with Oh My Notes
| Detail | 
Postscriptum | 
Oh My Notes |
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| What it does | A private AI journal that turns your daily reflections into a memoir
| Your Today Layer for Mac, Always on Top
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| Stage | MVP
| Not given
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| Founded | Not given
| Not given
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| Based in | Not given
| Not given
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| Pricing model | Free
| Freemium
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| Pricing | $0 during open beta; paid plans to come later
| Free: $0 forever. Pro: $9.99 one-time (early bird $7.99). Free tier includes Today panel, quick capture, search, plain Markdown notes, edge dock and always-on-top float, one-shot reminders, pinyin search, and git version history with Shortcuts. Pro adds floating above fullscreen apps, recurring remi
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| Key features | - Nightly check-in with AI-generated questions
- Adaptive second question based on previous entries
- Unsealed entries that cannot be edited
- AI memoir generation in literary prose
- Weekly pattern digest
- AI-generated insights about themes and patterns
- Full archive with streaks and backstory
| - Floating notes above fullscreen apps and across Spaces (Pro)
- Adjustable unfocused opacity from 40% to 100%
- Global hotkey quick capture from any app
- Plain Markdown files stored on your Mac
- Reminders with daily or weekly repeat (Pro)
- Apple Reminders and Calendar sync (Pro)
- Point to any folder including Obsidian vault (Pro)
- Trilingual interface: English, Simplified Chinese, Traditional Chinese
- Pinyin search with Simplified and Traditional variant matching
- Hidden by default in screen sharing, recordings and screenshots
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| What makes it different | - The second question intelligently adapts based on what you previously wrote
- Entries are permanently sealed and cannot be edited
- Automatically composes your journal into a literary memoir
| - Plain Markdown files you own with no account or server required
- Stays on top of fullscreen apps and across Spaces
- Notes synced with Apple Reminders reach your iPhone without a separate iOS app
- Compatible with Obsidian vaults as native Markdown files
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| Free plan | Not given
| Not given
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| Open source | Not given
| Not given
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| Platforms | Not given
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| Public API | Not given
| Not given
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | Not checked yet ● no change since last check | 6 ▲ +1 (up) since last check |
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| Trust Flow (Majestic) | 0 | 0 |
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| Citation Flow (Majestic) | 12 | 22 |
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| Referring domains (Majestic) | 1 | 4 |
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5 details filled in for both companies.
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