Brainy 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.
Brainy compared with Mac Ninja
| Detail | 
Brainy | 
Mac Ninja |
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| What it does | Autonomous Chief of Staff for engineering leads and founders. Lives in Telegram and Slack.
| Not given
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| Stage | Startup
| Not given
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| Founded | Not given
| Not given
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| Based in | Not given
| SE
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| Pricing model | Freemium
| Freemium
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| Pricing | Starter: Free forever. Pro: $9/month. Chief: $35/month. Monthly billing, cancel anytime, no credit card to start.
| 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 | - Text, voice, and photo capture in Slack and Telegram
- Whisper-v3 voice transcription with 99.8% accuracy
- Three-stage follow-up cadence: morning digest, nudge, and escalation
- Bidirectional sync with Obsidian, Notion, and Markdown vaults
- Meeting CoS that joins calls and converts notes to tasks
- Brain scans across Notion, Obsidian, and Google Sheets
- Approval inbox for all proposed vault writes
- Brain Health score tracking open loop hygiene and clarity
- Deduplication of repeating commitments across threads
| - 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 | - Does not train its own AI model on user tasks
- Approval-based vault sync prevents silent data overwrites
| - 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
| 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
| 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 | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 0 | 0 |
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| Citation Flow (Majestic) | 0 | 7 |
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| Referring domains (Majestic) | 0 | 2 |
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4 details filled in for both companies.
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