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PenguinRadar vs PostOnce

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 PostOnce
DetailPenguinRadar logo PenguinRadarPostOnce logo PostOnce
What it doesInstagram tracker and analyzer for public accounts Auto post your videos everywhere through official platform APIs
StageNot given Not given
FoundedNot given 2023
Based inUS CA
Pricing modelFreemium Free trial
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 Creator: $261/year ($0.72/day) or $29/month; Pro: $621/year ($1.70/day) or $2.27/month; Agency: $1791/year ($4.91/day) or $6.54/month. All plans include 7-day free trial, no credit card required.
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
  • Automatic crossposting to 9 platforms
  • Post scheduling
  • Existing content distribution
  • Image repurposing
  • Developer API
  • 17+ integrations
  • Workflow creation and management
  • Human support
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
  • Post once and publish automatically to all connected platforms
  • No reach loss compared to manual posting
  • Founder-led support with real people
  • Post using official platform APIs only
  • Maintain your natural posting workflow
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 check61 no change since last check
Trust Flow (Majestic)010
Citation Flow (Majestic)1339
Referring domains (Majestic)2678

6 details filled in for both companies.

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