Astar vs Psst
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
Astar compared with Psst
| Detail | A
Astar | 
Psst |
|---|
| What it does | Name stars, leave notes, and find them again
| 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 | Freemium
| Freemium
|
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| Pricing | Not given
| Free app with optional Psst+ one-time purchase
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| Key features | - Name stars and leave notes
- Public or private note visibility
- 3D scene visualization
- Notes limited to 280 characters
- Likes and favorites
- Explore feed
- Automated profanity filtering
| - 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 | - Private personal night sky
- Free on iOS and Android
- Public and private note options
| - 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) | 29 ● no change since last check | 9 ● no change since last check |
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| Trust Flow (Majestic) | 0 | 5 |
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| Citation Flow (Majestic) | 12 | 20 |
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| Referring domains (Majestic) | 13 | 14 |
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4 details filled in for both companies.
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