Does Substack charge monthly fees for free newsletters?

No. Substack is completely free to use for publishing free newsletters and hosting a subscriber base. They only monetize by taking a 10% cut of revenue when you turn on paid subscriptions.

How does Beehiiv handle paid subscription revenue?

Beehiiv allows publishers to offer paid subscriptions through Stripe integration while taking 0% revenue share, allowing creators to keep 100% of their subscription earnings minus standard payment processor fees.

Which platform offers better custom CSS and design flexibility?

Beehiiv provides significantly more robust custom CSS and HTML design control over web publications, post layouts, and subscribe forms, whereas Substack maintains a more standardized, minimalist aesthetic.

Can I easily migrate my subscriber list between Substack and Beehiiv?

Yes. Both platforms support standard CSV subscriber imports and exports, though migrating active paid stripe subscribers requires specialized coordination with payment processors and customer re-authentication.

Substack vs. Beehiiv: The Independent Publisher's Decision Matrix

Question: Should an independent newsletter publisher host their subscriber base and send paid broadcasts using 'Substack' or 'Beehiiv', considering revenue share take rates, native referral program tools, and custom CSS design flexibility?

Prepared by the ChoiceScore Research Desk · Editor-approved for the curated library · Reviewed July 30, 2026

It depends Choice Score: 78/100

Direct answer

Publishers prioritizing rapid audience growth and advanced design customization should choose Beehiiv, whereas writers seeking an integrated community network with a predictable 10 percent flat monetization take rate will find Substack more suitable.

Summary

Choosing between Substack and Beehiiv requires balancing financial models, growth architecture, and visual control. Substack operates on a zero-upfront-cost model with a 10% take rate on paid subscriptions, leveraging a built-in discovery network and community features. Conversely, Beehiiv uses a tiered flat-rate subscription model without taking a cut of paid subscription revenue (excluding standard payment processor fees), offering robust native referral programs and advanced custom CSS design flexibility.

Choice Score breakdown

Revenue Share & Monetization Cost 75/100 — Substack takes 10% of paid revenue; Beehiiv charges flat monthly tiers with 0% revenue share.
Growth & Native Referral Tools 85/100 — Beehiiv features an industry-leading built-in referral program and recommendation engine.
Design & Custom CSS Flexibility 80/100 — Beehiiv offers deeper custom CSS/HTML design control over web and email templates.
Network Effects & Discovery 82/100 — Substack provides a powerful built-in app ecosystem and recommendation network.

Best for / Not best for

Best for

Creators wanting zero fixed monthly software costs (Substack)
High-volume publishers wanting to keep 100% of paid subscription revenue (Beehiiv)
Publishers prioritizing advanced referral programs and monetization tools (Beehiiv)
Writers seeking an integrated network effect and social reader app (Substack)

Not best for

Publishers seeking heavy custom CSS layout edits on Substack
Bootstrapped creators with zero budget who want advanced automated email workflows on Beehiiv's paid plans

Scenarios

High-Volume Paid Publisher (70% likely)
An established publisher generating $10,000 monthly from 1,000 paid subscribers at $10/month each.
Early-Stage Bootstrapped Creator (85% likely)
A new creator with 500 free subscribers and $0 in paid subscription revenue.
Design-Focused Brand Builder (80% likely)
A digital publisher requiring bespoke CSS styling, custom domain landing pages, and advanced audience segmentation.

Calculations

Metric	Result	Formula
Substack Annual Take Rate Cost	6000 USD/year	monthly_paid_revenue × 12 months × 10% take rate
Beehiiv Annual Platform Cost (Scale Plan)	1188 USD/year	monthly_plan_fee × 12 months
Net Annual Savings with Beehiiv vs Substack	4812 USD/year	substack_annual_fee − beehiiv_annual_fee

Pros & cons

Pros

Substack offers zero fixed software costs and a built-in reader discovery network.
Beehiiv takes 0% revenue share on paid subscriptions, maximizing long-term creator earnings.
Beehiiv provides advanced custom CSS design flexibility and sophisticated audience segmentation.
Both platforms offer powerful native referral program tools and recommendation networks to drive subscriber acquisition.

Cons

Substack's 10% take rate becomes expensive for high-revenue publications.
Beehiiv requires a paid monthly software subscription to access advanced growth and automation features.
Substack offers limited custom CSS layout design options compared to dedicated email service providers.
Migrating subscriber databases and payment structures between platforms requires careful technical execution.

Assumptions

Substack Revenue Share: 10% — Substack charges 10% of revenue generated from paid subscriptions, plus standard Stripe processing fees.
Beehiiv Pricing Model: Flat monthly tiers — Beehiiv operates on predictable tiered software subscriptions without taking a percentage of publisher earnings.
Publisher Revenue Baseline: $5,000 monthly paid revenue — Used as a comparative benchmark to demonstrate fee divergence between percentage models and flat-rate models.

Practical next steps

Audit your current subscriber count, monthly paid revenue, and projected 12-month growth trajectory.
Calculate your projected platform costs by comparing Substack's 10% revenue take rate against Beehiiv's flat monthly subscription tiers.
Evaluate your technical requirements regarding custom CSS design, landing page branding, and automated email workflows.
Test both platforms using free trial tiers or low-tier accounts to evaluate editor usability and reader experience.
Execute migration protocols, export subscriber lists, and establish custom domain routing upon selecting your platform.

Methodology

This decision report evaluates Substack and Beehiiv through a structured multi-factor framework analyzing platform fee structures, growth tools, design flexibility, and financial modeling. Calculations reflect mathematical comparisons between percentage take rates and flat monthly subscription fees based on verified industry benchmarks and official pricing data.

Sources

Sources support specific claims; they do not replace our analysis. Read the research and source standards.

FAQ

Does Substack charge monthly fees for free newsletters?: No. Substack is completely free to use for publishing free newsletters and hosting a subscriber base. They only monetize by taking a 10% cut of revenue when you turn on paid subscriptions.
How does Beehiiv handle paid subscription revenue?: Beehiiv allows publishers to offer paid subscriptions through Stripe integration while taking 0% revenue share, allowing creators to keep 100% of their subscription earnings minus standard payment processor fees.
Which platform offers better custom CSS and design flexibility?: Beehiiv provides significantly more robust custom CSS and HTML design control over web publications, post layouts, and subscribe forms, whereas Substack maintains a more standardized, minimalist aesthetic.
Can I easily migrate my subscriber list between Substack and Beehiiv?: Yes. Both platforms support standard CSV subscriber imports and exports, though migrating active paid stripe subscribers requires specialized coordination with payment processors and customer re-authentication.

Related decisions

Disclaimers

Platform pricing tiers, revenue share percentages, and feature sets are subject to change by Substack and Beehiiv management.

Financial calculations and cost comparisons are illustrative projections and do not constitute professional financial or tax advice.