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Card Catalog

Card Catalog Add us as a preferred source on Google

Substack @cardcatalogforlife Education
🔄 Data last refreshed 17 days ago
This is an unclaimed, auto-generated listing. It was built only from Card Catalog’s publicly available Substack information. Card Catalog has not claimed, verified, or endorsed it, and is not affiliated with, sponsored by, or a partner of SocialDB — no partnership or endorsement is implied, and any prices shown are estimates, not set by the creator.
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Subscribers
31K
Account age
0 yrs
💰 Suggested sponsorship rate
🎁 Free analysisfor Card Catalog

💡 Facts

🗓️Joined Substack in 2025.
📤Posts about 2.2× per week.
💬0.24% engagement rate.
🏅Earned the 10K Subscribers for passing 10K subscribers.

👥 Audience demographics

Estimated

Modeled from this creator's niche, platform & region — a niche benchmark, not this creator's real audience data.

Gender split
Male 53% Female 47%
Age · peak 18-24
13-178%
18-2435%
25-3429%
35-4418%
45+10%
Top geographies
  • United States34%
  • India11%
  • United Kingdom8%
  • Brazil6%
  • Indonesia5%
Audience language
  • English88%
  • Other12%
Likely interests
EducationScienceBooks

💬 Newsletter engagement

Measured

Real reader activity from the last 12 posts — reactions, comments and restacks are public on every Substack post.

75
❤ avg reactions / post
7
💬 avg comments / post
17
🔁 avg restacks / post
0.24%
Strongreaction rate
Free issues (reach the whole list) vs paywalled
58% free

A mix of free and paid issues — sponsored placements in the free issues reach the full list.

About

Teaching you how to think like a librarian in the age of AI.

Frequently asked questions

How much does Card Catalog charge for a sponsorship?
Card Catalog hasn't published fixed prices yet. Send a proposal through SocialDB and agree terms directly — your payment is held in escrow until the work is approved.
How do I contact Card Catalog for a brand deal or collaboration?
Send a paid deal or collab request right here on SocialDB — we notify Card Catalog, and once they accept, your payment is held safely in escrow and released when the work is approved. You don't need to track down an email.
How many subscribers does Card Catalog have?
Card Catalog has 31,000 subscribers on Substack.

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🚧

Card Catalog isn't on SocialDB yet

Card Catalog hasn't claimed this listing yet, so they can't accept sponsorships, collabs or other deals here. The prices shown are estimates.

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