Indigo Strudwicke
Investor Due Diligence Report
by Indigo Strudwicke
ghostHealth
Indigo Strudwicke is a PhD researcher in science communication and digital artist. She writes about life and her PhD in her newsletter 'GogoBrain'
1K
~0%
Subscriber count is a platform estimate
Pricing
$5/mo
$50/yr annual option
$442
~100 est. paid subs
$221/mo – $663/mo(±50%)
Monthly
0.3 posts/week
92/100
Very Consistent (~29.0d avg)
| Newsletter | Subscribers | Weekly Growth | Price | Platform |
|---|---|---|---|---|
| Granted | 558K | N/A | Free | substack |
| The Forgotten Side of Medicine | 346K | +0.7% | $7/mo | substack |
| Neuroscience & Wellness | 250K | +2.9% | $7.99/mo | substack |
| Ground Truths | 206K | +0.3% | $8/mo | substack |
| Month | Subscribers | Est. Revenue | Change |
|---|---|---|---|
| Feb 2026 | 3K | $1,325 | — |
| Mar 2026 | 1K | $441.67 | -66.7% |
| Apr 2026 | 1K | $441.67 | ~0% |
| May 2026 | 1K | $441.67 | ~0% |
Platform Dependency
Uses ghost platform
Publishing Consistency
Regular publishing schedule
Key Person
Single-author publication — key-person dependency
Revenue Model
Active paid subscription tier
Subscriber threshold
1K subscribers — below the 2K category median (based on 592 newsletters)
Has paid tier
Active paid subscription offering
Peer monetization
100% of 358 similar-size peers in Health have paid tiers
Pricing position
$5/mo vs $6/mo category median (915 newsletters)
| Date | Monthly | Annual |
|---|---|---|
| Mar 2026 | $5 | $50 |
Disclaimer: This report is generated automatically based on publicly available data and proprietary estimation models. Estimated subscriber counts are derived from engagement patterns and should be verified through direct disclosure. Revenue estimates are based on known pricing and estimated paid subscriber counts. This report is for informational purposes only and should not be the sole basis for investment decisions.
| Better Brain by Dr. Julie |
| 184K |
| +0.6% |
| $10/mo |
| substack |