Psychology of Relationships
Investor Due Diligence Report
substackScience
Follow your heart, but take some science and strategy with you. Evidence-based strategies that help you make smarter decisions and build the relationships you actually want.
41K
2.9K paid
+1.5%
Insufficient data
20 of 30 days needed
Pricing
$9/mo
$75/yr annual option
$18K
2.9K paid subs
$18K/mo – $18K/mo(±0%)
4.0
74.1
0.19%
(comments + likes) / subscribers
Weekly
1.0 posts/week
94/100
Very Consistent (~7.0d avg)
| Newsletter | Subscribers | Weekly Growth | Price | Platform |
|---|---|---|---|---|
| Science Matters | 38K | N/A | Free | substack |
| Cremieux Recueil | 33K | N/A | $8/mo | substack |
| The Century of Biology | 26K | N/A | Free | substack |
| The Noösphere | 21K | N/A | $5/mo | substack |
| Month | Subscribers | Est. Revenue | Change |
|---|---|---|---|
| May 2026 | 40K | $17,829 | — |
| Jun 2026 | 41K | $18,274.73 | +2.5% |
Platform Dependency
Hosted on substack subdomain
Publishing Consistency
Regular publishing schedule
Key Person
Single-author publication — key-person dependency
Audience Concentration
Consistent engagement across posts
Subscriber threshold
41K subscribers — above the 2K category median for first paid tier
Has paid tier
Active paid subscription offering
Peer monetization
100% of 24 similar-size peers in Science have paid tiers
Pricing position
$9/mo vs $5/mo category median (280 newsletters)
| Date | Monthly | Annual |
|---|---|---|
| May 2026 | $9 | $75 |
| May 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.
| Component | Score | Weight |
|---|---|---|
| Engagement Rate | 45/100 | 30% |
| Paid Subscriber Ratio | 93/100 | 25% |
| Growth Consistency | 96/100 | 15% |
| Publishing Consistency | 90/100 | 10% |
| Where are the numbers? by Norman Fenton and Martin Neil |
| 20K |
| N/A |
| $7/mo |
| substack |
Revenue Model
Active paid subscription tier