my9ai vs Ninefold
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
my9ai compared with Ninefold
| Detail | 
my9ai | 
Ninefold |
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| What it does | The AI personality test: discover which of 32 AI personas you are based on the tools you actually use
| Nine letters. One hidden word.
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| Stage | Not given
| Startup
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| Founded | Not given
| 2026
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| Based in | Not given
| US
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| Pricing model | Free
| Free
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| Pricing | Not given
| Not given
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| Key features | - Catalog of 400+ AI tools, models and features
- 32 distinct AI persona types
- Rarity tiers (R, SR, SSR, UR) for personas
- AI-generated one-liner roasts for each persona
- Shareable cards for X, Instagram and stories
- Find other users with matching personas
- Custom tile option to add missing AI tools
- Trending AI tools and personas rankings
- No account required
| - New puzzle every day at midnight in local time zone
- Build words of four or more letters using center letter
- Each tile can be used once per word
- Streak tracking by solving the nine-letter word
- Archive of past puzzles available to play
- Optional daily email subscription
- No account or login required
- Built for single thumb play
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| What makes it different | - Analyzes actual AI usage rather than asking about preferences
- Ten-second test with no sign-up required
- Humorous AI-generated roasts personalized to your exact stack
- Completely free with no paywall
- Community features to find and compare AI stacks with others
| - Same grid for everyone each day without competitive leaderboards
- No ads, no app needed, plays in any web browser
- Includes Journal with strategy guides and focus articles
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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
| 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 | 0 |
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| Referring domains (Majestic) | 0 | 0 |
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4 details filled in for both companies.
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