Launchv1.0.0April 27, 2026
V1 — SubSutra is live
Four core analytics features that answer the questions Substack's native dashboard never could.
New- Post Performance Scorer — every post graded A–F using open rate (30%), CTR (20%), subscriber gain (30%), and restacks (20%)
- Subscriber Growth Timeline — interactive chart with spike annotations linking growth events to the posts that caused them
- Best Day & Time to Publish — personalized heatmap built from your own audience's open behavior, not generic advice
- Free → Paid Conversion Tracker — ranks posts by conversion impact within 72 hours of publish
Infra- Google OAuth sign-in — one-click login, no password to manage
- Neon PostgreSQL database — subscriber events, post metrics, and conversion data stored securely
- Substack session connect — encrypted token storage, read-only access, never stores raw credentials
Upcomingv2.0.0ETA ~Week 11
V2 — Growth Features
- Notes Performance Tracker — impressions, likes, restacks, and subscriber conversions per Note
- Churn & Retention Monitor — real-time unsubscribe rate alerts when you spike above 2× your average
- Audience Overlap Intelligence — see which other Substacks your readers follow, with collaboration scores
- Weekly AI Growth Report — every Monday, 3 specific action items based on your data
Plannedv3.0.0ETA ~Week 18
V3 — Premium Intelligence
- Revenue Intelligence Dashboard — MRR, LTV, churn rate, and a 3-month revenue forecast
- Content Topic Analyzer — AI clusters your posts by topic and maps each cluster to performance
- Competitor Benchmarking — your open rate vs. anonymized niche averages (5+ niches at launch)
More features planned. Ship fast, learn faster.