Spiral DJ vs Postscriptum
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
Spiral DJ compared with Postscriptum
| Detail | 
Spiral DJ | 
Postscriptum |
|---|
| What it does | Build the night before you play it
| A private AI journal that turns your daily reflections into a memoir
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| Stage | Startup
| MVP
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| Founded | Not given
| Not given
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| Based in | PT
| Not given
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| Pricing model | Freemium
| Free
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| Pricing | Free: up to 500 tracks forever. Pro Monthly: $6.99/month, billed monthly, cancel any time. Pro Yearly: $59/year (save 30%).
| $0 during open beta; paid plans to come later
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| Key features | - Local BPM, key and energy analysis from audio
- Harmonic matching with reasons
- Set Brief with energy planning
- Auto Flow for running order optimization
- Spiral Paths with alternative transitions
- Set Check for transition and energy validation
- Export to Rekordbox, Traktor, Serato and more
- Gig Log to track prepared vs. played sets
- Forgotten Gems to rediscover underused tracks
- Runs 100% offline in your browser
| - 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
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| What makes it different | - No music uploads—all analysis runs locally in your browser with no cloud processing
- Shows the reason why each track fits before you commit
- Plans energy arc deliberately with a Set Brief that drives the entire workflow
- Prepares alternative exits (Hold, Lift, Reset, Surprise) without repeating tracks
- Exports to the DJ software you already use and integrates with your existing setup
| - 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
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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) | 21 | 12 |
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| Referring domains (Majestic) | 56 | 1 |
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6 details filled in for both companies.
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