BioFlow / Compare / Carrd
Carrd is a builder you design with; BioFlow is a page an AI agent builds with you. Carrd gives you templates and elements to lay out a one-page site yourself, and prices its Pro plans by the year. BioFlow's agent builds the page from blocks in a conversation and edits it when you ask, while connected blocks stay in sync with the items you picked. Here is the honest, dated comparison.
| Feature | BioFlow | Carrd |
|---|---|---|
| Free plan | US$0 forever | $0, with “Made with Carrd” branding on your sites |
| First paid tier | Creator — US$12/mo | Pro Lite — $9/yr for 3 sites (no custom domain or forms) |
| Second paid tier | Pro — US$29/mo (BioFlow's top tier) | Pro Standard — $19/yr for 10 sites |
| Third paid tier | — (2 paid tiers only) | Pro Plus — $49/yr for 25 sites |
| Feature | BioFlow | Carrd |
|---|---|---|
| How the page gets built | An AI agent builds it from a conversation and edits it when you ask, on every plan, including Free — its block changes wait in your draft until you publish | You design it yourself, from templates and elements |
| Content that stays in sync | Yes — pick a video, post, product or event type from a connected account and its block stays in sync with it | — Widgets and embeds from Pro Standard; no connected-account sync listed as of September 2026 |
| Custom domain | Yes — a subdomain you own (links.yourbrand.com), on Creator and Pro | Yes — any domain you own, with SSL, on Pro Standard and Pro Plus |
| Forms & email signup | Newsletter and Contact Form blocks on every plan, including Free — sign-ups, and form replies that include an email, land in your Contacts; the Newsletter block can sync to Mailchimp or Kit | Contact, signup and payment forms from Pro Standard; signup forms connect to Mailchimp, Kit, beehiiv and other email tools |
| Taking payments | Tips and one-off Stripe payments on Creator and Pro, with a platform fee of 5% on Creator and 2% on Pro; file delivery isn't built yet | Payment forms, and Stripe, PayPal or Gumroad embeds, from Pro Standard |
| Analytics | Built in on every plan — per-link clicks, referrers, devices, and 7/30/90-day views | From Pro Standard, through Google Analytics, Plausible, Matomo and similar tools |
Where BioFlow wins: the building and the upkeep. On Carrd, every change is yours to make in the editor. On BioFlow you tell the agent, and it adds blocks, reorders links and rewrites copy — block changes wait in your draft until you publish. Connected blocks stay in sync with the items you picked from your accounts, contact forms and email signup come with the Free plan, and analytics are built in on every plan.
Where Carrd wins: price and control. Carrd bills by the year, and a year of any Pro plan in the table above costs less than a year of BioFlow's paid plans. You place every element yourself, run several sites from one account, embed your own code from Pro Standard, and add password protection or redirects on Pro Plus. If you want a hand-built one-page site and don't mind keeping it up to date yourself, Carrd is excellent value.
Switching: tell the agent what's on your Carrd page — your links and sections, in order — and it rebuilds them as blocks in your draft.
Carrd prices and features verified against carrd.com/pro on September 27, 2026 (USD). Carrd may change its plans — check their page for current numbers. BioFlow claims reflect the live product; see pricing and integrations, or every Linktree alternative side by side.
Carrd is a builder for simple one-page websites, and a common choice for a link-in-bio page. You design the page yourself from templates and elements. A free account publishes with Carrd's branding; custom domains, forms, widgets and embeds need Pro Standard or above, which Carrd bills yearly.
Tell BioFlow's agent what's on your Carrd page — your links and sections, in order — and it rebuilds them as blocks in your draft, ready for you to publish. BioFlow pages are made of blocks and a theme rather than hand-placed elements, so a custom Carrd layout comes across as the closest arrangement of blocks, not pixel for pixel.
Free to start — the agent builds it, then edits it when you ask.