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Heap vs StackStats

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

Heap compared with StackStats
DetailHeap logo HeapStackStats logo StackStats
What it doesBetter Insights. Faster. Advanced analytics for Substack writers that runs locally without cloud or subscription
StageNot given Not given
FoundedNot given Not given
Based inUS Not given
Pricing modelFreemium Paid
PricingNot given 1-Year License: $39 USD (1 device, 1 year of updates, app yours forever after update period). Lifetime License: $79 USD early adopter price (up to 3 devices, every future update forever). After 1-year period, renewal available for $29/yr or no renewal required—app continues working permanently.
Key features
  • Automatic event tracking
  • Session replay
  • Heatmaps
  • Funnels and conversion tracking
  • Retention analysis
  • Journey maps
  • Dashboards and reporting
  • AI-powered analytics assistant
  • Data warehouse integration
  • Mobile tracking
  • Subscriber engagement segments identifying Champions, Loyalists, At-Risk, and Ghosts
  • Churn risk scoring for each subscriber on a 0–100 scale
  • Cohort retention analysis tracking last 12 cohorts
  • 90-day subscriber growth forecast
  • Best day and hour to post determined from your own data
  • Superfan and power user identification
  • Open rate decay tracking
  • Geographic audience breakdown by country and US state
  • Content-to-growth correlation analysis
  • 100% local data processing with no cloud or server
What makes it different
  • Automatically captures all user interactions without engineering needed
  • Reveals hidden opportunities through advanced data science
  • Integrates quantitative and qualitative analysis in one platform
  • Provides direction on key investments and product improvements
  • Runs entirely locally on your machine with no cloud server or account required
  • One-time payment model with no recurring subscription charges
  • Auto-Sync functionality for one-click Substack data download without manual CSV exports
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)82 no change since last check17 +4 (up) since last check
Trust Flow (Majestic)358
Citation Flow (Majestic)5419
Referring domains (Majestic)805029

4 details filled in for both companies.

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