Substack Review 2026: The Easiest Way to Start, and the Hardest to Outgrow

TL;DR: should you still use Substack in 2026?

Substack is the fastest way to start publishing a newsletter, and the most expensive way to run one once it earns money. Publishing is free at any list size, with no subscriber tier and no send limit. Nothing else in this corpus lets you reach 50,000 readers without paying a cent. If your newsletter is free and always will be, the price question is closed before it opens.

The moment you switch on paid subscriptions, the arithmetic inverts. Substack takes 10 percent of every transaction, Stripe takes 2.9% + $0.30, and a 0.7% billing fee has applied since July 2024. That is roughly 13.6% of gross revenue, forever, with no ceiling. At 1,000 paying readers at $8/mo, Substack keeps about $13,000 a year. beehiiv Max, which also sells paid subscriptions and takes no cut, costs about $1,300 a year at that list size.

The part almost no review mentions: Substack is not an email platform in the sense this site uses the word. A custom domain costs $50 once and changes your web address, not your sending address, which stays [publication]@substack.com permanently. Automation is a welcome email. The Developer API, launched in 2026, returns public creator profile fields and cannot send, schedule, or manage a subscriber.

The context you need before evaluating Substack in 2026

Substack stopped competing with email tools some time ago. It is competing with social platforms, and every product decision since 2023 reads correctly once you accept that.

The clearest marker arrived on 22 January 2026, when Substack shipped a TV app for Apple TV and Google TV, with video posts, livestreams and a For You recommendation feed. Nieman Lab described the launch as the latest step in its yearslong quest to become a social app. The same reporting puts the network at 50 million active users and 5 million paying subscribers. Those are network numbers, not mailing list numbers, and they are the numbers Substack manages against.

This matters to a buyer because it explains the shape of the product you will actually use. Notes, the app, video, livestreams and now television all shipped inside three years. In the same period, the email side gained a welcome email and an API that cannot send mail. If you are choosing Substack because it sends email, you are buying the part of the product that is not being built.

It also explains the distribution argument, which is real and which competitors cannot match. Substack’s recommendation network routes readers between publications, and for a writer starting from zero that is worth more than any automation feature. The trade is explicit even if nobody states it: you get audience from the network, and in exchange your publication lives inside the network, on the network’s terms, sending from the network’s domain.

Snapshot

What Substack does well

Free stays free at any list size, and nothing else here does that

Substack’s help centre states it plainly: publishing is free on Substack, no matter how many subscribers you have. Read that against the rest of this site. beehiiv stops at 2,500 subscribers, Kit at 10,000, MailerLite at 250, Mailchimp at 500 contacts with a 1,000 email monthly cap. Substack has no equivalent line because there is no tier to fall out of. A writer with 60,000 free readers pays the same as a writer with 60.

The time from signup to first send is the shortest in this corpus

No list to build, no template to choose, no domain to authenticate, no plan to pick, no sending reputation to warm. You sign up, you write, you publish, and the email goes. Every other platform on this site puts at least a DNS record between you and your first campaign. That is why the ease score below is the highest we have awarded, and it is not close.

The recommendation network is a growth channel, not a feature checkbox

Substack routes readers between publications through recommendations, Notes and the app. No ESP in this corpus has anything comparable, because no ESP is a network. For a writer with no existing audience, this is worth more than segmentation, A/B testing and automation combined, and any honest comparison has to say so.

Subscription billing is built in and works on day one

Paid subscriptions, free trials, founding member tiers, group subscriptions and gifting are part of the product, not an integration. The writer sets the prices, Stripe handles the money, and there is nothing to configure beyond connecting an account. Platforms that charge you nothing on revenue usually charge you the setup instead.

Your list can leave, and that is worth stating

Substack supports a CSV export of the subscriber list, including subscription date and plan type, with the option to export all columns or only visible ones. Many walled platforms do not. The limitation is real and covered below, but the export exists and works, which puts Substack ahead of the closed platforms it is often lumped with.

Where Substack falls short

No sending domain means no lever when placement drops

The consequences are not cosmetic. You publish no SPF record, sign nothing with DKIM on your domain, and set no DMARC policy, because none of it is your mail. Your sender reputation is Substack’s, pooled with every other publication on the platform. If placement degrades you have no dedicated IP to request, no domain to warm, and no diagnostic beyond open rates. Postmark scores 9.0 on deliverability in this corpus precisely because it gives you the opposite of this.

The 13.6 percent does not taper, and the crossover is a factor of ten

Substack’s cut is 10% of each transaction. Stripe adds 2.9% + $0.30, and a 0.7% recurring billing fee has applied since July 2024, replacing the 0.5% that legacy accounts kept until 30 June 2025. Every figure is from Substack’s own fee page, last updated 16 December 2025.

Run it forward. At 1,000 paying readers at $8/mo, the platform keeps roughly $13,000/yr. At 5,000 paying readers it keeps about $65,000/yr. beehiiv, Kit and Ghost all sell paid subscriptions and take no percentage. Past roughly $40,000/yr in subscription revenue, the story flips, and it keeps flipping harder every month you grow.

Automation is a welcome email

No sequences, no branching, no behavioural triggers, no abandoned-anything, no lead scoring, no date-based flows. You can schedule a post and send a welcome note to new subscribers, and sections let readers opt into parts of your publication. That is the automation surface. Mailchimp scores 6.0 here, beehiiv 5.5. If a nurture sequence is part of how your publication works, it does not exist on this platform.

The 2026 API exists, is documented, and cannot send an email

Substack shipped a Developer API with its own terms of use, last updated 8 January 2026. Read what it returns. The Authorized Data is public creator information: name, LinkedIn URL, social identity URLs, total subscriber count, bestseller status, leaderboard recognitions, profile summary, profile URL and publication URL.

That is a directory API. You cannot create a post, send a campaign, add a subscriber, tag anyone, or read a single address with it. Rate limits are as determined by Substack in its sole discretion, with no published number. Reviews that say Substack has no API are out of date. Reviews that say Substack has an API are misleading. It has one, and it is about creators, not about mail.

Your export comes back without names

The subscriber export works and includes plan type and subscription date. Substack’s help centre also states, as of 4 June 2026, that it is not currently possible to export a file with subscriber names. You leave with addresses and no identities. Anyone planning a migration should price in the personalisation they will silently lose.

Support is a form, and the loudest evidence comes from people who are not you

No phone line, no live chat, no published response target for publishers. Substack’s Trustpilot profile sits at 1.4 / 5 across 178 reviews, with 90% at one star, and the recurring themes are unresponsive automated support, difficulty cancelling and unexpected charges. Most of that is readers complaining about billing, not writers complaining about the product. The signal still matters: if a reader of yours cannot cancel, they will blame you before they blame Substack.

The Publisher Agreement reserves the right to end it, at any time, for any reason

Substack’s Publisher Agreement, last updated 20 July 2026, states that Substack may terminate, suspend or restrict access at any time, for any reason. The only notice commitment in the document covers suspensions caused by technical problems with the platform. The agreement sets out no appeals process, and does not address ownership or portability of the subscriber list beyond saying creators control the List they manage.

What real users actually say

The mixed cluster is simplicity, and both sides are right about different publications. The same absence of settings that lets a writer publish in an afternoon is what a publisher hits a wall against in year two, when they want a segment, a sequence or a sending domain. Nobody argues Substack is hard. They argue about whether easy was worth what it cost them later.

Ratings breakdown

Six categories, scored 1 to 10, arithmetic mean for overall. The right-hand column names the platform we would recommend instead if that criterion is the one that matters to you.

Who should still use Substack

Ban policy and account risk

Beyond that, the restrictions concern illegality and credible threats rather than whole commercial verticals. Affiliate content, crypto commentary and cold outreach are not category bans here, which makes Substack materially more permissive than Mailchimp, whose acceptable use policy names affiliate marketing outright.

What holds the rating at Medium rather than High is the enforcement wording. The Content Guidelines describe a graduated ladder, on which Substack may remove it, hide it from public view, or impose other restrictions. The Publisher Agreement, meanwhile, reserves termination at any time, for any reason, with no documented appeal and notice promised only for technical outages. Documented rules, graduated in principle, absolute in contract.

Third-party validation

Scores collected on 14 September 2026.

Top 3 alternatives

Continue reading

Verdict

Frequently asked questions