SV Premium vs StackStats

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

SV Premium compared with StackStats
Detail	SV Premium	StackStats
What it does	Compare infrastructure bills at your usage	Advanced analytics for Substack writers that runs locally without cloud or subscription
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Free	Paid
Pricing	Not 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	Compare 237 infrastructure and API services Filter by parent-company jurisdiction and EU data residency 18 service categories including infrastructure, developer services and AI APIs Pricing sources and last-checked dates Step-by-step migration guides with testing procedures Cost estimation with usage-based inputs	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	Compares actual estimated bills at your specific usage instead of generic pricing Explains why prices differ across vendors and what work they do for you Provides practical migration guides not just price comparisons Shows residency and jurisdiction filters for data handling and compliance	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 plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	2 no change since last check	17 +4 (up) since last check
Trust Flow (Majestic)	0	8
Citation Flow (Majestic)	25	19
Referring domains (Majestic)	19	29

4 details filled in for both companies.

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