Smart Prompts For AI
Investor Due Diligence Report
by Smart Prompts For AI
substackAI
Daily, field-tested AI prompts and workflows for solo and small business owners. Buy back your hours and build reliable systems. Zero hype.
19K
1.3K paid
+5.9%
+11.8%
net growth
Pricing
$9/mo
$77/yr annual option
$9K
1.3K paid subs
$9K/mo – $9K/mo(±0%)
0.0
3.1
0.02%
(comments + likes) / subscribers
~5x per week
5.6 posts/week
77/100
Consistent (~1.3d avg)
| Newsletter | Subscribers | Weekly Growth | Price | Platform |
|---|---|---|---|---|
| AI Report | 58.5K | +0.9% | $12/mo | substack |
| MarTech AI | 48K | N/A | $15/mo | substack |
| Market Sentiment | 44K | N/A | $97/mo | substack |
| AI Safety Newsletter | 44K | N/A | Free | substack |
| Month | Subscribers | Est. Revenue | Change |
|---|---|---|---|
| Feb 2026 | 10K | $4,530.75 | — |
| Mar 2026 | 13K | $5,889.97 | +30.0% |
| May 2026 | 17K | $7,702.28 | +30.8% |
| Jun 2026 | 17K | $7,702.28 | ~0% |
| Jul 2026 | 17K | $7,702.28 | ~0% |
| Aug 2026 | 17.5K |
Platform Dependency
Hosted on substack subdomain
Publishing Consistency
Regular publishing schedule
Key Person
Single-author publication — key-person dependency
Audience Concentration
Some posts outperform significantly
Subscriber threshold
19K subscribers — above the 3K category median for first paid tier
Has paid tier
Active paid subscription offering
Peer monetization
100% of 77 similar-size peers in AI have paid tiers
Pricing position
$9/mo vs $7.5/mo category median (621 newsletters)
| Date | Monthly | Annual |
|---|---|---|
| Aug 2026 | $9 | $77 |
| May 2026 | $12 | $97 |
| May 2026 | $9 | $97 |
| Mar 2026 | $12 | $97 |
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 | 29/100 | 30% |
| Paid Subscriber Ratio | 75/100 | 25% |
| Growth Consistency | 86/100 | 15% |
| Publishing Consistency | 91/100 | 10% |
| 43K |
| N/A |
| $79/mo |
| substack |
| $7,928.81 |
| +2.9% |
Revenue Model
Active paid subscription tier