Oh My Notes vs Mac Ninja
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
Oh My Notes compared with Mac Ninja
| Detail | 
Oh My Notes | 
Mac Ninja |
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| What it does | Your Today Layer for Mac, Always on Top
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| Stage | Not given
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| Founded | Not given
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| Based in | Not given
| SE
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| Pricing model | Freemium
| Freemium
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| Pricing | 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
| Yearly: $9.99/year (cancel anytime); Lifetime: $24.99 one-time payment. Both plans include every feature and work on up to 3 Macs.
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| Key features | - 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
| - Unload idle browser tabs in Chrome, Safari, Brave, Edge, Arc and other browsers
- Calm background CPU hogs without quitting them
- Clean up tabs left behind by AI agents
- Offload unused apps to save disk space
- Live dashboard showing memory and CPU stats
- Memory autopilot for automatic tab sleeping
- Works on up to 3 Macs per license
- Silent auto-updates
- Minimal resource usage
- No admin password required for normal use
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| What makes it different | - 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
| - Never closes your apps or tabs, only unloads idle tabs that reload instantly when clicked
- Uses only standard macOS and browser features, no system changes or kernel extensions
- Automatically cleans up tabs abandoned by AI agents after 8 hours
- No tracking, no analytics, no account required
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| Free plan | Not given
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| Open source | Not given
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| Platforms | Not given
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| Public API | Not given
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 6 ▲ +1 (up) since last check | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 0 | 0 |
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| Citation Flow (Majestic) | 22 | 7 |
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| Referring domains (Majestic) | 4 | 2 |
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4 details filled in for both companies.
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