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PenguinRadar vs Caldera

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

PenguinRadar compared with Caldera
DetailPenguinRadar logo PenguinRadarCaldera logo Caldera
What it doesInstagram tracker and analyzer for public accounts The social network for GitHub and Obsidian
StageNot given Not given
FoundedNot given Not given
Based inUS Not given
Pricing modelFreemium Open source
PricingFree: 50 signup credits plus 10 daily credits for lookups. Free Track: one following list up to 1,000 accounts, 3 scans in 7 days. Lite: $99/year (≈$8.25/month) with 1,000 monthly credits. Starter: $199/year (≈$16.58/month) with 2,500 monthly credits. Pro: $499/year (≈$41.58/month) with 7,000 monthl Not given
Key features
  • Instagram Story Viewer
  • Instagram Likes Viewer
  • Instagram Follower Viewer
  • Instagram Follower Tracker
  • Instagram Unfollow Tracker
  • AI Analyzer for tracked accounts
  • Follower export to CSV
  • Email alerts for detected changes
  • REST API and CLI access
  • ChatGPT plugin and MCP server
  • GitHub city visualization showing repos as buildings and districts
  • Living profile with daily journal, activity score and streaks
  • End-to-end encrypted private note sharing
  • AI agent and coding activity visualization
  • World map showing all members' cities and neighborhoods
  • Asks and offers with gravity rewards
  • Read-only GitHub integration with no code access
  • Self-hosted profile export to static site
  • Mobile support on iOS and Android
  • Cryptographic identity key stored locally in vault
What makes it different
  • No Instagram password required; uses email or Google sign-in
  • Tracks changes with exact dates, not just final counts
  • Priced per scan, not per subscription week
  • Works across web, mobile apps and AI assistants with one account
  • Free and open source with no telemetry
  • Visualizes GitHub activity as a living city that updates automatically
  • Privacy by default: nothing leaves your Obsidian vault unless you explicitly choose
  • Sign up with just GitHub, no installation required
  • Self-hosted option with open protocol
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)1 no change since last check30 +1 (up) since last check
Trust Flow (Majestic)07
Citation Flow (Majestic)1326
Referring domains (Majestic)221

4 details filled in for both companies.

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