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Uses Substack subdomain (sarahconstantin.substack.com). Migrating would require subscribers to re-subscribe at a new address.
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Data updated 2 weeks ago
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Cosmographia
12K subs
Infinitely More
10K subs
Science of Reading Classroom
10K subs
Sign up for a free account to unlock Rough Diamonds's percentile rankings in Science
Sign up free1.1K paid
Weekly Growth
N/A
Paid newsletter — revenue data available
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$17–$39
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Tracking started recently for Rough Diamonds. A growth trend will appear once we have more data points.
Avg Comments
4.5
Avg Likes
25.0
Engagement Rate
0.27%· ~30 likes + comments/post
(comments + likes) / subscribers
Quality Score
Engagement vs Science
0.27% engagement rate
See Rough Diamonds's score breakdown & category ranking
Quality sub-scores, category percentile, and engagement benchmarks
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Publishing Frequency
Bi-weekly
Last published Mar 14, 2026
0.5 posts/week avg
Science Pricing
$9.51/mo avg
Below average(-47%)
Monetization Readiness
Already monetizing
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Sign up freePriced Below Category Average
Priced at $5/mo, 47% below the Science average of $10/mo.