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AstroHelm vs Minus5

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 Minus5
Detail AstroHelmMinus5 logo Minus5
What it doesPlate solving and push-to telescope navigation for smartphones Pre-record camera that captures moments you didn't see coming
StageNot given Not given
FoundedNot given Not given
Based inUS Not given
Pricing modelFreemium Freemium
PricingFree 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. Pro available as one-time purchase or monthly subscription.
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
  • Pre-record up to 60 seconds before tap
  • Event-named clips automatically labeled
  • Six ready-made presets for different activities
  • Custom event buttons with names, icons and colors
  • Highlight reel with multiple clips as one video
  • Broadcast graphics with scoreboard and match time
  • Volume button or Bluetooth remote control
  • Trim and edit clips before export
  • Fixed pre-record storage that overwrites itself
  • Replay moments up to 4× slower
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
  • Every moment gets its own named event button so clips are automatically labeled
  • Captures action that already happened, up to 60 seconds before the tap
  • Pre-record uses fixed storage that doesn't pile up or fill phone storage
  • Multiple clips join into one highlight reel with broadcast graphics in Pro
  • Ready-made presets for sports, pets and street photography
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)5 no change since last check2 no change since last check
Trust Flow (Majestic)73
Citation Flow (Majestic)2813
Referring domains (Majestic)655

5 details filled in for both companies.

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