Sketchplanations

Investor Due Diligence Report

by Jono Hey

substackScience

Weekly hand-drawn explanations of ideas from science, psychology, creativity and life.

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Key Metrics

Subscribers

47K

4.7K paid

Verified

Weekly Growth

~0%

Subscriber count is a platform estimate

Revenue Analysis

Pricing

$5/mo

$49/yr annual option

Est. Monthly Revenue

$18K

4.7K paid subs

$18K/mo – $18K/mo(±0%)

Quality & Publishing

Audience Quality Score

100Good

0100

Publishing Pace

Previously Weekly

1.5 posts/week

Publishing Consistency

74/100

Consistent (~5.0d avg)

Competitive Landscape (Science)

Newsletter	Subscribers	Weekly Growth	Price	Platform
Aether Pirates of the Matterium!	97K	N/A	Free	substack
The Science of Better	83K	N/A	$5/mo	substack
By the Numbers	76K	+0.7%	Free	substack
The Intrinsic Perspective	72K	N/A	$7/mo	substack

Revenue Trajectory

Estimated monthly revenue over time

Month	Subscribers	Est. Revenue	Change
Feb 2026	47K	$18,435.75	—
Mar 2026	47K	$18,435.75	~0%
Apr 2026	47K	$18,435.75	~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

47K subscribers — above the 2K category median for first paid tier

Has paid tier

Active paid subscription offering

Peer monetization

100% of 19 similar-size peers in Science have paid tiers

Pricing position

$5/mo vs $5/mo category median (260 newsletters)

Pricing History

Date	Monthly	Annual
Mar 2026	$5	$49

Data Quality

Report Data QualityPartial - Some metrics estimated or missing

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.