Newsletter Insights — advertising rates and audience data for 21K+ newsletters
Browse all →Track Free the Inquiry's growth
Get notified when subscribers, engagement, or pricing changes
Platform Portability
Uses Substack subdomain (heterodoxacademy.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 →
Free The Inquiry is Heterodox Academy’s home for essays, expert commentary, and conversations about open inquiry in the academy.
Data updated 1 week ago
Anatarambana
9K subs
0%/wk
Learn English with Katie
10K subs
Dr Phil's Learning Futures Digest
11K subs
Weekly Growth
N/A
N/A
This is a free newsletter — no revenue data available
$17–$39
Track CPM rates as they change
Category benchmarks and audience-size adjusted rates
Start tracking — freeJoin thousands of newsletter operators tracking the market
Tracking started recently for Free the Inquiry (14 days ago). A growth trend will appear once we have more data points.
| Public |
| No, Geology Departments Shouldn't Hire Flat EarthersViewpoint diversity isn’t a call to denigrate the epistemic standards of the academy.Mar 27, 2026 | Public |
| Teaching Past a Constitutional Crisis | inquisitive Issue #6 "Limits"A less limited approach to teaching indeterminate lawMar 26, 2026 | Public |
| The Limits to Classroom Psychology | inquisitive Issue #6 "Limits"A mental health pandemonium is now common in many K-12 schoolsMar 24, 2026 | Public |
| Bad Reads | inquisitive Issue #6 "Limits"How the publishing industry came to embrace an ethos of limitationsMar 12, 2026 | Public |
| The Case for Transparency in Teaching | inquisitive Issue #6 "Limits"We need to rethink the limits of institutional privacyMar 11, 2026 | Public |
| The Heterodox View of Viewpoint DiversityScholars should recognize that they sometimes have things to learn from people who live and work and form opinions outside the ivory towerMar 10, 2026 | Public |
| Yes, faculty lean left, but…Two dozen studies on faculty political diversity also show sizable minorities of moderate and apolitical faculty.Feb 25, 2026 | Public |
| The Weekly: Campus Cancellations at UCLA, University of North Texas We need a campus culture where viewpoint diversity is embraced, not cancelled.Feb 21, 2026 | Public |
Track changes to Free the Inquiry's percentile rankings in Education over time
Start tracking — freeAvg Comments
1.5
Avg Likes
9.8
Engagement Rate
0.13%· ~11 likes + comments/post
(comments + likes) / subscribers
Quality Score
Engagement vs Education
0.13% engagement rate
Track Free the Inquiry's engagement over time
Monitor quality scores, category ranking, and engagement trends
Start tracking — freeJoin thousands of newsletter operators tracking the market
Publishing Frequency
~2x per week
Last published Mar 28, 2026
Usually publishes Sat, Thu
2.1 posts/week avg
Education Pricing
$14.27/mo avg
Your newsletter: Free
Monetization Readiness
Education newsletters typically start charging at ~1K subscribers
Above the typical threshold
100% of similar-size Education newsletters have paid tiers
Track changes to monetization & ad rate insights over time
Start tracking — freeFree in a Paid Category
Free newsletter in Education where the average paid tier is $14/mo — accessible to a wider audience.