AstroHelm vs NotifyTV

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

AstroHelm compared with NotifyTV
Detail	AstroHelm	NotifyTV
What it does	Plate solving and push-to telescope navigation for smartphones	See calls and notifications from your Android phone on your TV
Stage	Not given	Not given
Founded	Not given	Not given
Based in	US	Not given
Pricing model	Freemium	Free
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	Both phone app and TV app are free with no premium plans
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	See incoming calls on TV with caller name Decline calls with TV remote Choose which apps send notifications Sender only mode hides message text Multiple phones to one TV Ring phone from TV to find it Pause notifications for 1 hour or until 7 AM Calls-only mode for Do Not Disturb Battery alerts when phone battery is low
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	No account needed, stays on home Wi-Fi only Privacy by default with hidden codes and sender-only mode Decline calls with remote without reaching phone
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	5 no change since last check	4 no change since last check
Trust Flow (Majestic)	7	4
Citation Flow (Majestic)	28	12
Referring domains (Majestic)	65	7

5 details filled in for both companies.

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