Play Makes Us Human

Investor Due Diligence Report

by Play Makes Us Human

substackEducation

Letters about the roles of play in human evolution, child development, culture, and daily living.

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Key Metrics

Subscribers

20K

2K paid

Verified

Weekly Growth

~0%

Subscriber count is a platform estimate

Revenue Analysis

Pricing

$5/mo

$50/yr annual option

Est. Monthly Revenue

$8K

2K paid subs

$8K/mo – $8K/mo(±0%)

Engagement

Avg Comments/Post

6.0

Avg Likes/Post

36.0

Engagement Rate

0.21%

(comments + likes) / subscribers

Quality & Publishing

Audience Quality Score

67Fair

0100

Publishing Pace

Previously Weekly

1.3 posts/week

Publishing Consistency

75/100

Consistent (~6.8d avg)

Competitive Landscape (Education)

Newsletter	Subscribers	Weekly Growth	Price	Platform
Javarevisited Newsletter	56K	N/A	$5/mo	substack
University of Austin	42K	N/A	Free	substack
Minding the Gap	24K	N/A	Free	substack
Fab Fridays	19K	N/A	Free	substack

Revenue Trajectory

Estimated monthly revenue over time

Month	Subscribers	Est. Revenue	Change
Feb 2026	20K	$7,950	—
Mar 2026	20K	$7,950	~0%

Risk Assessment

Key risk factors for due diligence

High

Platform Dependency

Hosted on substack subdomain

Low

Publishing Consistency

Regular publishing schedule

Medium

Key Person

Single-author publication — key-person dependency

Low

Revenue Model

Active paid subscription tier

Monetization Readiness

Monetization status

Subscriber threshold

20K subscribers — above the 1.5K category median for first paid tier

Has paid tier

Active paid subscription offering

Peer monetization

100% of 45 similar-size peers in Education have paid tiers

Pricing position

$5/mo vs $5/mo category median (493 newsletters)

Pricing History

Date	Monthly	Annual
Mar 2026	$5	$50

Data Quality

Report Data QualityFull - All metrics available

Subscriber Confidenceverified

Disclaimer: This report is generated automatically based on publicly available data and proprietary estimation models. Estimated subscriber counts are derived from engagement patterns and should be verified through direct disclosure. Revenue estimates are based on known pricing and estimated paid subscriber counts. This report is for informational purposes only and should not be the sole basis for investment decisions.

Component	Score	Weight
Engagement Rate	47/100	30%
Paid Subscriber Ratio	90/100	25%