Newsletter Insights — advertising rates and audience data for 40K+ newsletters
Browse all →Platform Portability
Uses Substack subdomain (senecaeffect.substack.com). Migrating would require subscribers to re-subscribe at a new address.
Custom domains let newsletters switch platforms without losing their audience.
Are you a newsletter creator? Get verified insights →
Collapses are the way the universe gets rid of the old to leave space for the new. It was noted for the first time by the Roman Philosopher Lucius Anneaus Seneca (4 BCE-65 CE) and it is called today the "Seneca Effect.".
Data updated 2 months ago
Avg Comments
1.0
Avg Likes
7.0
Engagement Rate
0.40%· ~8 likes + comments/post
(comments + likes) / subscribers
Quality Score
Engagement vs Science
0.40% engagement rate
Score Breakdown
Engagement Score
| Public |
| Public |
| Public |
The Seneca Effect hasn't published recently
Last post was 2 months ago. Growth, revenue and CPM projections assume ongoing activity, so they're hidden until posting resumes.
200 paid
We don't have enough growth data for The Seneca Effect yet. The average Science newsletter has 2K subscribers.
Based on 256 Science newsletters tracked
vs 59 newsletters in Science
2K places you in the top 50% of newsletters in this category.
Engagement Rate
0.40%
median: 0.00%
Posts per Week
0.9
median: 0.8
Publishing Consistency
59/100
median: 64/100
Subscribers
2K
median: 2K
ASeq Newsletter
2K subs
The Turnstone
2K subs
Thoughts from the Center of the Universe
2K subs
Get email alerts when subscribers drop or spike, when new sponsors appear, when pricing changes, or when publishing cadence shifts. Track unlimited newsletters across your watchlist with the Starter plan.
$29/mo·cancel anytime
See what's includedGet the full whitespace list with each brand's category fit, audience overlap, and recommended pitch order. Plus a comparison of The Seneca Effect vs the top 15 peer newsletters on sponsor mix, growth, and CPM.
Including Welcome, Mercury, Epsilon3 + 43 more.
$300·2-3 working days·refunded if we can't deliver
Publishing Frequency
Previously Weekly
Inactive — last post 2 months agoScience Pricing
$5/mo median
At average
Monetization Readiness
Already monetizing
100% of similar-size Science newsletters also have paid tiers
Unlock revenue estimates, CPM benchmarks, and detected sponsors
Start tracking — free