Plate solving and push-to telescope navigation for smartphones
One tap says thinking of you
Stage
Not given
Not given
Founded
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Based in
US
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Pricing model
Freemium
Freemium
Pricing
Free with optional one-time purchases: Plus $9.99 (Messier and Caldwell catalogs, Bayer or Flamsteed designated stars), Pro $29.99 (everything in Plus, NGC and IC catalogs, remote control, ASCOM Alpaca/INDI/LX200/Stellarium connections), Pro Beta pricing $24.99
Free app with optional Psst+ one-time purchase
Key features
Live plate solving with accuracy up to within 10 arcseconds
Computes coordinates in less than a second
Immune to magnetic field interference
Works in light-polluted skies
Complete offline operation
Personalized guide to tonight's best targets
Remote control between devices (iOS)
Integration with Stellarium and SkySafari
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
What makes it different
On-device plate solving eliminates compass and gyroscope drift and lags that traditional astronomy apps experience
Sub-arcminute precision navigation that outperforms standard planetarium apps
No subscription required, only optional one-time purchases
Compatible with existing telescope and equipment without proprietary hardware lock-in
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)
Psst