The System Design Newsletter
Investor Due Diligence Report
substackTechnology
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Investor Due Diligence Report
Download my AI engineering playbook on newsletter signup for free.
251K
10.7K paid
~0%
Subscriber count is a platform estimate
Insufficient data
29 of 30 days needed
Pricing
$17.5/mo
$150/yr annual option
$134K
10.7K paid subs
$134K/mo – $134K/mo(±0%)
0.5
52.9
0.02%
(comments + likes) / subscribers
~2x per week
1.9 posts/week
76/100
Consistent (~3.8d avg)
| Newsletter | Subscribers | Weekly Growth | Price | Platform |
|---|---|---|---|---|
| Big Technology | 156K | N/A | $5/mo | substack |
| The Shortcut | 146K | N/A | $5/mo | substack |
| Software Design: Tidy First? | 127K | +0.4% | $25/mo | substack |
| The Developing Dev | 103K | N/A | Free | substack |
| Month | Subscribers | Est. Revenue | Change |
|---|---|---|---|
| Feb 2026 | 220K | $117,810 | — |
| Mar 2026 | 226K | $121,023 | +2.7% |
| Apr 2026 | 231K | $123,706.8 | +2.2% |
| May 2026 | 236K | $126,378 | +2.2% |
| Jun 2026 | 241.5K | $129,326.4 | +2.3% |
| Jul 2026 | 245K | $131,203.8 |
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
251K subscribers — above the 2K category median for first paid tier
Has paid tier
Active paid subscription offering
Peer monetization
100% of 9 similar-size peers in Technology have paid tiers
Pricing position
$17.5/mo vs $5/mo category median (545 newsletters)
| Date | Monthly | Annual |
|---|---|---|
| Mar 2026 | $18 | $150 |
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 | 77/100 | 30% |
| Paid Subscriber Ratio | 100/100 | 25% |
| Publishing Consistency | 53/100 | 10% |
| Rich on Tech |
| 75K |
| N/A |
| $5/mo |
| substack |
| ~0% |
| Aug 2026 | 249.5K | $133,610.4 | ~0% |
| Sep 2026 | 251K | $134,416.8 | ~0% |
| Oct 2026 | 251K | $134,416.8 | ~0% |
Revenue Model
Active paid subscription tier