Newsletter Insights — advertising rates and audience data for 31K+ newsletters
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Platform Portability
Uses Substack subdomain (designwithai.substack.com). Migrating would require subscribers to re-subscribe at a new address.
Custom domains let newsletters switch platforms without losing their audience.
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Practical articles every week to help you design better, faster, and smarter with AI.
Data updated Yesterday
MarTech AI
48K subs

Lex Fridman
33K subs
++1.7%/wk
The Prompt: Insights from OpenAI Global Affairs
31K subs
Avg Comments
3.6
Avg Likes
25.7
Engagement Rate
0.07%· ~29 likes + comments/post
(comments + likes) / subscribers
AI by Hand ✍️
62K subscribers
Quality Score
Engagement vs AI
0.07% engagement rate
Score Breakdown
Engagement Score
| Public |
| Subscriber-only |
| Subscriber-only |
| Public |
| Subscriber-only |
| Subscriber-only |
| Subscriber-only |
| Subscriber-only |
| Subscriber-only |
2K paid
Weekly Growth
+1.3%
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Start tracking — freeSubscriber counts are rounded by the platform — step changes may not reflect actual growth
vs 168 newsletters in AI
40K places you in the top 10% of newsletters in this category.
Engagement Rate
0.07%
median: 0.00%
Posts per Week
0.6
median: 1.0
Publishing Consistency
88/100
median: 65/100
Subscribers
40K
median: 2K
Publishing Frequency
Bi-weekly
Last published Apr 27, 2026
0.6 posts/week avg
AI Pricing
$6/mo median
Premium tier
Monetization Readiness
Already monetizing
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40.0K subscribers and 0.07% engagement — past the threshold where AI newsletters typically attract sponsors.