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Platform Portability
Uses Substack subdomain (oldster.substack.com). Migrating would require subscribers to re-subscribe at a new address.
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Exploring what it means to travel through time in a human body, at every phase of life.
Data updated 3 days ago
Avg Comments
60.5
Avg Likes
159.6
Engagement Rate
0.26%· ~220 likes + comments/post
(comments + likes) / subscribers
Quality Score
Engagement vs Travel
0.26% engagement rate
Score Breakdown
Engagement Score
8K paid
Paid Subscriber Retention
+0.0%
net growth
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Start tracking — freeOldster Magazine reports a rounded subscriber count of 84K. 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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vs 78 newsletters in Travel
84K places you in the top 10% of newsletters in this category.
Engagement Rate
0.26%
median: 0.00%
Posts per Week
3.8
median: 1.0
Publishing Consistency
76/100
median: 58/100
Subscribers
84K
median: 1K
Here's what we know about this newsletter's activity:
Publishing Pace
~4x per week
Consistent
Category Rank
#6 of 339
in Travel
Engagement Trend
Consistent
based on recent posts
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Hotel Espresso, with HAP
86K subs
Sarah Kendzior’s Newsletter
69K subs
Club Yolo
138K subs
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Publishing Frequency
~4x per week
Last published Jun 12, 2026
Usually publishes Wed, Fri, Mon
3.8 posts/week avg
Travel Pricing
$5/mo median
Above average(+20%)
Monetization Readiness
Already monetizing
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Start tracking — freeSponsor-Attractive Profile
84.0K subscribers, 0.26% engagement, and 2 detected sponsors — a strong profile for advertisers.