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Platform Portability
Uses Substack subdomain (donaldrobertson.substack.com). Migrating would require subscribers to re-subscribe at a new address.
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Newsletter and podcast from Donald J. Robertson, cognitive-behavioural therapist, and author of Stoicism books, including How to Think Like a Roman Emperor. Sign up to learn how ancient philosophy and modern psychology can help you to improve your life.
Data updated Today
5K paid
Paid Subscriber Retention
+0.0%
net growth
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Start tracking — freeStoicism: Philosophy as a Way of Life reports a rounded subscriber count of 50K. The platform doesn't expose finer-grained numbers, so week-to-week changes below the rounding threshold aren't visible in a chart.
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Avg Comments
2.8
Avg Likes
33.2
Engagement Rate
0.07%· ~36 likes + comments/post
(comments + likes) / subscribers
Quality Score
Engagement vs Health
0.07% engagement rate
Score Breakdown
Engagement Score
vs 142 newsletters in Health
50K places you in the top 10% of newsletters in this category.
Engagement Rate
0.07%
median: 0.00%
Posts per Week
1.9
median: 1.0
Publishing Consistency
64/100
median: 67/100
Subscribers
50K
median: 1K
Here's what we know about this newsletter's activity:
Publishing Pace
~2x per week
Consistent
Category Rank
#28 of 806
in Health
Engagement Trend
Rising
based on recent posts
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++0.9%/wk
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Publishing Frequency
~2x per week
Last published Jul 14, 2026
Usually publishes Tue, Thu
1.9 posts/week avg
Health Pricing
$6/mo median
Above average(+17%)
Monetization Readiness
Already monetizing
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