Zibby's Highlights

Investor Due Diligence Report

substackCulture

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Key Metrics

Subscribers

20K

1.4K paid

Verified

Weekly Growth

~0%

Subscriber count is a platform estimate

Revenue Analysis

Pricing

$12/mo

$120/yr annual option

Est. Monthly Revenue

$13K

1.4K paid subs

$13K/mo – $13K/mo(±0%)

Quality & Publishing

Audience Quality Score

75Good

0100

Publishing Pace

Previously Weekly

1.1 posts/week

Publishing Consistency

38/100

Variable (~7.6d avg)

Competitive Landscape (Culture)

Newsletter	Subscribers	Weekly Growth	Price	Platform
Lexicon Valley	34K	N/A	Free	substack
Weirder Together with Ben Lee & Ione Skye	32K	N/A	Free	substack
Colin Meloy's Machine Shop	26K	N/A	$6/mo	substack
The Empire of the Tiny Onion	24K	N/A	Free	substack

Revenue Trajectory

Estimated monthly revenue over time

Month	Subscribers	Est. Revenue	Change
Feb 2026	20K	$13,356	—
Mar 2026	20K	$13,356	~0%

Risk Assessment

Key risk factors for due diligence

Medium

Platform Dependency

Uses substack platform

High

Publishing Consistency

Irregular publishing pattern

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 2K category median for first paid tier

Has paid tier

Active paid subscription offering

Peer monetization

68% of 290 similar-size peers in Culture have paid tiers

Pricing position

$12/mo vs $5/mo category median (3633 newsletters)

Pricing History

Date	Monthly	Annual
Mar 2026	$12	$120

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.