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Gemicore vs SkyShare

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

Gemicore compared with SkyShare
DetailGemicore logo GemicoreSkyShare logo SkyShare
What it doesPayments, email, sign-in and webhooks for your apps, hosted or self-hosted Identify Moon, planets and stars in night sky photos
StageNot given Not given
FoundedNot given Not given
Based inNot given US
Pricing modelFreemium Free
PricingSelf-host: Free (Apache 2.0). Hosted: Free ($0/month, 2 apps, 50,000 API requests/month, 10,000 webhook deliveries/month); Starter ($19/month, 3 apps, 500,000 API requests/month, 50,000 webhook deliveries/month); Pro ($49/month, 5 apps, 2,000,000 API requests/month, 250,000 webhook deliveries/month) Not given
Key features
  • Multiple payment providers (Stripe, Paystack, Flutterwave, USDC on Base)
  • Authentication methods: password, magic link, TOTP, OpenID Connect
  • Email delivery over SMTP
  • Admin dashboard
  • Signed webhooks with dead letter queue
  • Notifications system
  • TypeScript SDK with no runtime dependencies
  • Realtime payment status updates
  • Multi-app support with isolated keys and data
  • Usage monitoring and plan limits
  • Photo analysis with time and location detection from metadata
  • Returns celestial object names with pixel-level positions
  • Automatic labeled image generation with custom shapes
  • Label layer available in story, portrait or square formats
  • Sky data API endpoint for Sun, Moon, planets and thirty named stars
  • Confidence grading for identification accuracy
  • Manual correction through tap confirmation on ambiguous objects
  • Browser-based processing using Astronomy Engine
What makes it different
  • Unified API for payments, email, sign-in and webhooks instead of multiple services
  • Use your own payment and email accounts (Stripe, Paystack, Flutterwave, SMTP)
  • Open source self-hosting option with no usage limits
  • Free plan with no card required to start
  • Cryptocurrency payments support via USDC on Base
  • Runs directly in the browser with no server processing required
  • Tested on real photos with documented accuracy metrics
  • Powers the Sky Map with same underlying code
  • Uses open-source Astronomy Engine for accurate celestial calculations
Community votes00
DR (Domain Rating by Ahrefs)Not checked yet no change since last check7 no change since last check
Trust Flow (Majestic)04
Citation Flow (Majestic)032
Referring domains (Majestic)081

4 details filled in for both companies.

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