Bookster vs Psst
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
Bookster compared with Psst
| Detail | 
Bookster | 
Psst |
|---|
| What it does | Your Reading Companion
| One tap says thinking of you
|
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| Stage | Not given
| 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 | Not given
| Free app with optional Psst+ one-time purchase
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| Key features | - Organize and manage book collections
- Search 40+ million books by title, author, or ISBN
- Set and track reading goals
- Discover bestsellers and recommendations
- Add books by scanning barcodes
- Organize books into unlimited collections
- Take and store reading notes
| - Reply directly from notification without opening app
- Streak counter that activates after three days
- Same moment notification when both psst within 10 seconds
- Super Psst with double whisper and screen shake (one free daily)
- Invite link system for non-users (valid for 7 days)
- Control Center and Lock Screen buttons
- Block and report functionality with one hold
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| What makes it different | - Barcode scanning for instant book addition
- Access to over 40 million books
- All-in-one book organization and reading tracking
- Free to download with no subscription required
| - Privacy-first design with no contacts, location, or photos collection
- Messages automatically deleted after 30 days
- Customizable whisper word in Psst+ (boop, hey, oi, yo, etc)
- One-time Psst+ purchase for unlimited features
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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) | 21 ● no change since last check | 9 ● no change since last check |
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| Trust Flow (Majestic) | 6 | 5 |
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| Citation Flow (Majestic) | 24 | 20 |
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| Referring domains (Majestic) | 30 | 14 |
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4 details filled in for both companies.
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