Investor Due Diligence Report
Master system design concepts, engineering fundamentals, and interview basics. Weekly summaries, post-mortems, and advice for 42,000+ engineers.
42K
2.9K paid
~0%
Subscriber count is a platform estimate
Insufficient data
13 of 30 days needed
Pricing
$8/mo
$80/yr annual option
$19K
2.9K paid subs
$19K/mo – $19K/mo(±0%)
18.0
0.04%
(comments + likes) / subscribers
Bi-weekly
0.5 posts/week
Score based on available components only.
| Component | Score | Weight |
|---|---|---|
| Newsletter | Subscribers | Weekly Growth | Price | Platform |
|---|---|---|---|---|
| Platformer | 190K | N/A | $10/mo | ghost |
| Technically | 71K | N/A | $8/mo | substack |
| This Week In React | 62K | -0.8% | Free | substack |
| Craft Better Software | 36K | N/A | Free | substack |
| Month | Subscribers | Est. Revenue | Change |
|---|---|---|---|
| Feb 2026 | 42K | $18,698.4 | — |
| Mar 2026 | 42K | $18,698.4 | ~0% |
Platform Dependency
Hosted on substack subdomain
Key Person
Single-author publication — key-person dependency
Audience Concentration
Consistent engagement across posts
Revenue Model
Active paid subscription tier
Subscriber threshold
42K subscribers — above the 2K category median for first paid tier
Has paid tier
Active paid subscription offering
Peer monetization
100% of 31 similar-size peers in Technology have paid tiers
Pricing position
$8/mo vs $12.78/mo category average (828 newsletters)
| Date | Monthly | Annual |
|---|---|---|
| Mar 2026 | $8 | $80 |
| Mar 2026 | $6 | $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.
| Engagement Rate |
| 50/100 |
| 30% |
| Paid Subscriber Ratio | 93/100 | 25% |
| Women of Wearables |
| 20K |
| N/A |
| Free |
| substack |