Investor Due Diligence Report
by Violaine de Landes
A premium French learning platform for American adults: structured A1–C2 programs, AI-powered conversation, cultural insights, live workshops, private tutoring and TCF success preparation.
4K
~0%
Subscriber count is a platform estimate
Pricing
$39/mo
$399/yr annual option
$4K
~120 est. paid subs
$2K/mo – $6K/mo(±50%)
Daily
7.4 posts/week
73/100
Consistent (~2.8d avg)
| Newsletter | Subscribers | Weekly Growth | Price | Platform |
|---|---|---|---|---|
| How to AI | 984K | +1.0% | $120/mo | substack |
| One Useful Thing | 485K | +0.6% | $10/mo | substack |
| Sabrina Ramonov 🍄 | 299K | +2.6% | Free | substack |
| ChatGPT for Education | 257K | +2.9% | Free | substack |
| AI Supremacy |
| Month | Subscribers | Est. Revenue | Change |
|---|---|---|---|
| Feb 2026 | 6.5K | $6,820.12 | — |
| Mar 2026 | 5K | $5,246.25 | -23.1% |
| Apr 2026 | 3K | $3,147.75 | -40.0% |
| May 2026 | 3K | $3,147.75 | ~0% |
| Jun 2026 | 3K | $3,147.75 | ~0% |
| Jul 2026 | 3K |
Platform Dependency
Uses ghost platform
Publishing Consistency
Regular publishing schedule
Key Person
Single-author publication — key-person dependency
Revenue Model
Active paid subscription tier
Subscriber threshold
4K subscribers — above the 3K category median for first paid tier
Has paid tier
Active paid subscription offering
Peer monetization
72% of 161 similar-size peers in AI have paid tiers
Pricing position
$39/mo vs $5/mo category median (427 newsletters)
| Date | Monthly | Annual |
|---|---|---|
| Feb 2026 | $39 | $399 |
| Feb 2026 | $29 | $299 |
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 |
|---|---|---|
| Publishing Consistency | 50/100 | 10% |
| 227K |
| N/A |
| $8.75/mo |
| substack |
| $3,147.75 |
| ~0% |
| Aug 2026 | 1K | $1,049.25 | -66.7% |
| Sep 2026 | 4K | $4,197 | +300.0% |
| Oct 2026 | 4K | $4,197 | ~0% |