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Social Undertone vs Caldera

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

Social Undertone compared with Caldera
DetailSocial Undertone logo Social UndertoneCaldera logo Caldera
What it doesCreator audience reports from real comments The social network for GitHub and Obsidian
StageNot given Not given
FoundedNot given Not given
Based inUS Not given
Pricing modelFreemium Open source
PricingFree: 3 reports with scores, summary and about 300 comments from the last 30 days. Full report: $29 one time for up to 3,000 comments from the last 90 days. Shortlist pack: $99 for 5 full reports. Enterprise: custom pricing. Not given
Key features
  • Comment analysis from Instagram and TikTok
  • AI-powered sentiment classification
  • Audience sentiment scoring
  • Topic mapping and categorization
  • Post-by-post performance analysis
  • Audience health scoring
  • Brand safety flagging
  • Shareable reports and PDF export
  • Audience demographic and interest insights
  • No creator login required
  • 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
  • Analyzes up to 3,000 comments from 90 days in full reports
  • No subscription required, pay per report
  • Combines Instagram and TikTok data in single report
  • Reports include every comment with full context and traceability
  • Free access to reports without credit card
  • 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)Not checked yet no change since last check30 +1 (up) since last check
Trust Flow (Majestic)07
Citation Flow (Majestic)1326
Referring domains (Majestic)821

4 details filled in for both companies.

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