Substack takes 10 percent of your paid subscription revenue plus processing fees; beehiiv charges flat monthly tiers, at every size, and takes nothing from your subscriptions — both per the platforms' published pricing pages. That single difference compounds into materially different businesses: at $10,000 a month in paid revenue, Substack's structure costs roughly $1,300 a month while beehiiv's top published tiers cost a small fraction of that — and at $50 a month of revenue, the calculation inverts and Substack is effectively free infrastructure. The comparison matters because the two platforms anchor opposite philosophies of the newsletter business, and creators keep choosing between them on vibes. The terms do the deciding.
Licht Journal publishes information, not procurement advice; terms are from the platforms' published pricing pages and documentation, which change — verify before committing.
What each platform is, structurally
Substack is a network with a publishing tool attached. Its bet, visible in every product decision since 2021: readers come to Substack to discover writers (the app, notes, recommendations between publications), and the 10 percent take funds that discovery engine. For a writer starting without an audience, the network is real distribution — cross-recommendations are among the most-cited growth sources in writers' own accounts, and the app's readership meaningfully supplements the mailing list. The cost is the percentage, permanently, on every subscription the network helps create — and on every one it didn't.
beehiiv is tooling with growth features attached: a publication platform built by the Morning Brew alumni team, with referral programs, built-in ad network access, subscription payments (processed at Stripe's rates), and a flat-fee pricing ladder per its published tiers. No discovery network to speak of — beehiiv publications grow by their own marketing — and no revenue share, which is the entire pitch to publications that already have momentum.
| Dimension | Substack | beehiiv |
|---|---|---|
| Cost of paid subs | 10% + processing | Flat tiers + processing |
| Discovery network | Yes — app, recommendations | Essentially none |
| List export | Yes | Yes |
| Ad monetization | Not native | Built-in ad network |
| Best at | Audience-building stage | Revenue-optimizing stage |
How to choose with your own numbers
Compute the crossover: the monthly paid revenue at which Substack's 10 percent exceeds beehiiv's applicable tier. For most configurations the crossover sits in the low thousands of dollars a month — below it, Substack's free infrastructure plus network is the better economics; above it, the flat fee wins by an increasing margin that grows with your success. Then adjust for what you'd actually use: if the ad network and referral tools fit your model, beehiiv's ecosystem adds revenue Substack doesn't offer natively; if you're pre-audience, the honest weight on Substack's discovery is heavy, because distribution, not margin, is the constraint that kills newsletters.
What about lock-in, on either side?
Both platforms allow list export — the subscriber emails are portable, which is the asset that matters. What does not port cleanly: billing relationships (moving paid subscribers between platforms historically requires re-collecting payment details, with attendant churn), the network effects (a Substack publication leaving loses its recommendations web), and design/content setup (a rebuild either way). The practical posture: choose for the stage you're in, structure the business so a future migration is a project rather than a crisis — own the domain, keep backup exports, avoid deep dependencies on any platform-exclusive feature — and re-run the economics annually, because both platforms' published terms have changed more than once and will again. What generalizes across the whole category: the newsletter platform is commodity infrastructure, the list is the asset, and the terms — percentage versus flat fee — are the only durable difference worth arguing about. What does not generalize: any snapshot of today's pricing as a permanent fact.
For more context, read Substack passed 5 million paid subscriptions — what the number does and doesn't tell creators.
For more context, read newsletter monetization guide.
For more context, read patreon business model creators.