AstroHelm vs Olmi

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 Olmi
Detail	AstroHelm	Olmi
What it does	Plate solving and push-to telescope navigation for smartphones	A simple plant care app for beginners that helps you remember watering, track care history, and build a routine that sticks
Stage	Not given	Not given
Founded	Not given	Not given
Based in	US	Not given
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 plan: $0, includes 1 active plant, watering reminders, care history, streaks/XP/achievements, no account required. Olmi Pro: $2.99 per week, includes everything in Free plus unlimited plants, photo-based plant identification, device sync, and advanced care guides.
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	Watering reminders that show when plants need care Care history tracking Streaks and achievements to build habit consistency AI-powered plant identification from photos Plant dashboard organizing multiple plants Device syncing across iOS and Android Suggested care profiles for identified plants Free plant identifier tool
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	Turns plant care into simple, repeatable actions instead of vague advice Designed specifically for beginners with clear reminders, not complicated encyclopedias Builds visible progress and habit consistency with streaks and history Truly free plan with no fake countdowns or trial traps Works without account creation from the start
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	2 no change since last check
Trust Flow (Majestic)	7	4
Citation Flow (Majestic)	28	18
Referring domains (Majestic)	65	11

5 details filled in for both companies.

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