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SPECIFICTION
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Fern vs Supabase

Fern

buildwithfern.com

Supabase

supabase.com

Side by side

FigureFernSupabase
Price fromFree$25/mo
Free planYesYes
Free trial——
Open sourceYes—
WebYesYes
WindowsYesYes
macOSYesYes
LinuxYes—
iOS—Yes
Android—Yes
APIYesYes
Self-hostedYesYes
Plans published24
Spec score · API Generation Software9.0 (#1)7.9 (#8)
Free plan limitsThe Free plan includes 10 team members, 1,000 pages, 250 AI credits per month, and 2,000 page generations per month.Free projects are paused after one week of inactivity and are limited to two active projects.
IntegrationsListed integrations include PostHog, Google Analytics, Segment, Mixpanel, FullStory, Intercom, Postman, and Context7.Supabase documents integrations including Vercel Marketplace project management and project provisioning through Stripe CLI.
SecurityFern's trust center lists SOC 2 Type II, GDPR, and CCPA and provides access requests for its SOC 2 report, penetration test summary, and information security policy.Supabase says customer data is encrypted at rest with AES-256 and in transit via TLS, and that it is SOC 2 Type 2 compliant and ISO 27001 certified.
Self-hostingFern lists self-hosting as an Enterprise capability for deploying on dedicated infrastructure.Supabase provides documentation to get started with self-hosting its platform.
SupportThe Enterprise plan includes dedicated support and an uptime SLA.The Free plan includes community support, Pro includes email support, Team includes priority email support and SLAs, and Enterprise offers premium 24×7×365 support.

Plans

Fern

  • FreeFree
  • EnterprisePriced on request

Fern pricing →

Supabase

  • FreeFree
  • Pro$25 a month
  • Team$599 a month
  • EnterprisePriced on request

Supabase pricing →

In their own words

Fern

Fern has no write-up on Specifiction yet; its figures are above.

Visit buildwithfern.com

Supabase

Supabase is a backend platform built around a Postgres database, with services for authentication, storage, realtime data, and server-side functions. Every project includes a Postgres database, and paid plans add database branching and backups. Supabase Auth supports email and password, passwordless, OAuth, and mobile logins through identity providers and APIs. Realtime can listen for database changes, sync user states, and broadcast data to subscribed clients; Edge Functions run server-side code close to users. Official client libraries are available for JavaScript/TypeScript, Dart/Flutter, Swift, and Python, and documentation covers self-hosting. Supabase says data is encrypted at rest with AES-256 and in transit via TLS, and that it is SOC 2 Type 2 compliant and ISO 27001 certified. EU-hosted projects keep primary database data in-region; hosted HIPAA use requires a Business Associate Agreement. The free plan includes two active projects, paused after one week of inactivity. Pro starts at $25 /mo and includes email support; Team starts at $599 / month, while Enterprise pricing is custom.

Visit supabase.com