Secrets of Adulthood
Investor Due Diligence Report
substackLifestyle
Reflections on self-knowledge from New York Times bestselling author Gretchen Rubin.
102K
8.7K paid
~0%
Subscriber count is a platform estimate
Insufficient data
29 of 30 days needed
Pricing
$6/mo
$60/yr annual option
$41K
8.7K paid subs
$41K/mo – $41K/mo(±0%)
1.2
42.5
0.04%
(comments + likes) / subscribers
Weekly
1.5 posts/week
83/100
Very Consistent (~4.8d avg)
| Newsletter | Subscribers | Weekly Growth | Price | Platform |
|---|---|---|---|---|
| The Art of Noticing | 408K | +2.2% | $5/mo | substack |
| Modern Freedom | 235K | +0.7% | $10/mo | substack |
| Letters From Love with Elizabeth Gilbert | 201K | N/A | $5/mo | substack |
| The Simple Heart | 139K | N/A | $5/mo | substack |
| Month | Subscribers | Est. Revenue | Change |
|---|---|---|---|
| Feb 2026 | 200K | $81,090 | — |
| Mar 2026 | 101K | $40,950.45 | -49.5% |
| Apr 2026 | 101K | $40,950.45 | ~0% |
| May 2026 | 100K | $45,315 | +10.7% |
| Jun 2026 | 101K | $40,950.45 | -9.6% |
| Jul 2026 | 102K |
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
102K subscribers — above the 2K category median for first paid tier
Has paid tier
Active paid subscription offering
Peer monetization
100% of 44 similar-size peers in Lifestyle have paid tiers
Pricing position
$6/mo vs $6/mo category median (1635 newsletters)
| Date | Monthly | Annual |
|---|---|---|
| Mar 2026 | $6 | $60 |
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.
Score based on available components only.
| Component | Score | Weight |
|---|---|---|
| Engagement Rate | 26/100 | 30% |
| Paid Subscriber Ratio | 100/100 | 25% |
| Publishing Consistency | 69/100 | 10% |
| Breathing Space by Camille Styles |
| 135K |
| N/A |
| $9/mo |
| substack |
| $41,355.9 |
| ~0% |
| Aug 2026 | 102K | $41,355.9 | ~0% |
| Sep 2026 | 102K | $41,355.9 | ~0% |
Revenue Model
Active paid subscription tier