Circle vs Flarum
An independent, review-free comparison compiled by the SaaSTracker editorial team. Both products are profiled in full, and neither can pay for placement here.
The short answer
Editorial assessmentFlarum compared with Circle
Circle costs $89 a month plus 2 percent of member revenue and gives you a branded community with courses, events, live streaming, a member directory, mobile apps, and a checkout, all managed for you. Flarum gives you the forum for the price of hosting and none of the rest. At $50,000 a month in member revenue Circle costs roughly $1,600 a month and Flarum costs roughly $15. The question is whether the things Circle does that Flarum cannot are worth $19,000 a year to you, and for a business selling memberships they often are.
Choose Circle if
Creators, coaches, and small businesses running a paid membership or cohort program who want courses, events, discussion, and billing in one branded product on their own domain, and who are doing enough revenue that a 1 to 2 percent platform fee is a rounding error rather than a tax.
Choose Flarum if
Technically comfortable operators running a free, public, discussion first community who want the content indexed by Google, complete ownership of the data and the domain, no per member cost at any scale, and no platform taking a percentage of anything.
Side by side
13 attributes| Attribute | Circle | Flarum |
|---|---|---|
| Category | Community | Community |
| Starting price | $89 per month (Professional) (14 days trial) | $0 for the software, plus roughly $5 to $20 per month for hosting (free plan available) |
| Pricing model | Flat monthly platform subscription with unlimited members, plus a percentage transaction fee on every paid membership, course, or event sold through Circle checkout, plus paid add-ons for email marketing. | Free and open source under the MIT licence. There is no subscription, no per member fee, and no transaction fee. Costs are hosting, optional premium extensions, and your own maintenance time. |
| Free plan | No | The entire product is free forever with no member limit, no feature gating, no branding requirement, and no revenue share. |
| Free trial | 14 days on Professional and Business | Not applicable; the software is free and can be installed and discarded at will |
| Best for | Creators, coaches, and small businesses running a paid membership or cohort program who want courses, events, discussion, and billing in one branded product on their own domain, and who are doing enough revenue that a 1 to 2 percent platform fee is a rounding error rather than a tax. | Technically comfortable operators running a free, public, discussion first community who want the content indexed by Google, complete ownership of the data and the domain, no per member cost at any scale, and no platform taking a percentage of anything. |
| Setup time | A working community in an afternoon. Signing up, creating spaces, connecting a custom domain, and wiring Stripe are all self-serve and take a few hours combined. Getting the content and the onboarding sequence right is the part that takes weeks. | An hour for a technical operator using the prepackaged archive, a day to configure tags, groups, permissions, extensions, and theming properly. Considerably longer if you have never deployed a PHP application. |
| Learning curve | Moderate for the admin, low for members. The spaces model, permission layers, and paywall rules interact in ways that reward reading the docs before you build, and communities that improvise their structure usually rebuild it once. Members need no instruction. | Low for members, who face a clean and obvious interface. Moderate for administrators, mainly because the permission model is group based and every capability is configured separately. High for anyone who has not administered a server before, since Composer and command line access are unavoidable. |
| Platforms | Web app, Native iOS app, Native Android app, Branded iOS and Android apps on Circle Plus, Custom domain hosting | Self hosted web application, Responsive mobile web, No native or branded mobile apps |
| Compliance | GDPR, Payment processing handled through Stripe | Whatever you implement yourself; there is no vendor certification of any kind |
| Founded | 2019 | 2014 |
| Headquarters | Remote-first US company | Distributed; stewarded by the Flarum Foundation |
| Ownership | Venture-backed | Open source, MIT licensed, stewarded by the Flarum Foundation |
Strengths and limitations
Circle
Strengths
- The broadest feature set on a published price in this category: discussion, courses, events, live streaming, chat, payments, affiliates, a website builder, and native mobile apps all on the $89 tier.
- Unlimited members on every plan, so growth does not trigger a pricing cliff the way it does on Heartbeat or Bettermode.
- Custom domain and a white-labeled member experience from the entry tier, which is the thing free chat platforms fundamentally cannot offer.
- Native iOS and Android apps with push notifications keep engagement materially higher than a browser-only forum.
Limitations
- No free plan at all, which makes Circle a poor fit for a small free community and a hard sell for anyone testing whether a community is worth running.
- The transaction fee stacks on Stripe and is charged on gross, so a low-margin membership business pays Circle more than the subscription costs and cannot reach the 0.5 percent rate without a sales conversation.
- Branded mobile apps and custom SSO are both locked behind the unpriced Circle Plus tier, so the two things a maturing community most wants next are exactly the two things with no published cost.
- Admin and moderator seat caps of 3 and 10 on Professional are tight for a volunteer-moderated community and force an upgrade for reasons unrelated to features.
Flarum
Strengths
- Free under the MIT licence with no member limits, no seat costs, no transaction fees, and no revenue share at any scale.
- Public discussions are ordinary indexed web pages on your own domain, which turns an accumulating archive into an organic acquisition channel that no gated platform in this category can offer.
- Complete ownership. Source access, direct database access, your own domain, and full white labelling with no vendor branding anywhere.
- A genuinely modern and fast interface with real time notifications, infinite scrolling discussions, and a mobile web experience that does not feel like an old message board.
Limitations
- You have to run it. PHP, MySQL, Composer, command line access, updates, backups, and security are all yours, and there is no official managed hosting to escape to.
- No payment layer of any kind: no checkout, no memberships, no entitlements, so charging for access is an integration project.
- No courses, no events, no live streaming, no chat, and no voice, so everything beyond asynchronous discussion needs another product.
- No mobile app in the app stores, branded or otherwise; members use the mobile web.
Pricing compared
Circle
Flat monthly platform subscription with unlimited members, plus a percentage transaction fee on every paid membership, course, or event sold through Circle checkout, plus paid add-ons for email marketing.
- Professional$89
- Business$199
- Circle PlusCustom
For a community that is genuinely a business, Circle is fairly priced and hard to assemble from parts. Courses, events, live streaming, native mobile apps, a custom domain, recurring billing, affiliates, and search over unlimited history at $89 a month would cost more than that in separate tools, and the tools would not share a member identity. For a community that is not yet a business, Circle is expensive in a way the sticker hides: $89 plus 2 percent plus Stripe plus $99 of Email Hub is a real monthly commitment for a group that could sit on a free Discourse instance or a Discord server. The cutoff is roughly whether the community produces revenue. Above that line Circle is good value, below it the fee structure works against you.
Flarum
Free and open source under the MIT licence. There is no subscription, no per member fee, and no transaction fee. Costs are hosting, optional premium extensions, and your own maintenance time.
- Self hosted$0
- Typical real world cost$5 to $20
- Premium extensionsVaries, typically one off or annual
On pure capability per dollar, nothing else in this category is close, because the denominator is hosting. Unlimited members, unlimited moderators, permanent history, complete data ownership, your own domain, full white labelling, source access, and public content that Google indexes, for the price of a small virtual server, is a proposition no hosted vendor can match on price. The cost is entirely in operations and scope. You are the sysadmin, the security patcher, and the person who works out why an extension broke on upgrade, and you get a forum rather than a platform: no courses, no events, no checkout, no chat, no app. The right way to evaluate it is to price your own time. A technically confident operator running a free public community should almost certainly use Flarum and spend the saved subscription on hosting and coffee. A non technical founder who wants to sell a membership should not, because everything Flarum does not do is exactly the part they need.
Editorial verdict on each
Circle
Category LeaderCircle is the safe default for a community that is actually a business. Nothing else on a published price puts discussion, courses, events, live streaming, payments, affiliates, a custom domain, and native mobile apps in one product, and the company behind it is large, profitable, and shipping. Buy it if you are charging members and want the whole membership experience under your own brand without stitching five tools together. Do not buy it for a free community, because there is no free plan and the value proposition collapses without revenue to justify it. And go into the pricing with clear eyes: the honest monthly cost is the $89 plus a percentage of everything you sell plus Email Hub, and the exit cost is a discussion archive that will not move anywhere useful. Those are acceptable terms for a real membership business and bad terms for an experiment.
Read the full Circle profileFlarum
Flarum is the right answer for a technically capable operator running a free, public, discussion first community, and the wrong answer for almost anyone selling something. What it offers is unmatched at the price: unlimited members, permanent history, complete data ownership, your own domain with no vendor branding, source access under the MIT licence, and every public discussion indexed by Google as a page you own, all for the cost of a small server. At $50,000 a month in member revenue it costs you nothing where Circle would take about $1,600 and Patreon more than $6,750. The costs are operational and scoped. You are the sysadmin, the patcher, and the person who fixes the extension that broke on upgrade, and you get a forum and nothing else: no checkout, no courses, no events, no chat, no app, and no automated spam filter without an extension. If you want the strongest forum with a vendor behind it, Discourse is better and worth paying for. If you want the lightest one you can host anywhere for five dollars and modify however you like, Flarum is excellent and has been quietly underrated for a decade.
Read the full Flarum profileCircle profile last reviewed 2026-08-22; Flarum last reviewed 2026-08-22. Pricing is compiled from public sources and can change without notice. See our methodology.