Yes, you can build and deploy a small client site with Next.js and Supabase without paying for those services at first—but a free tier is not a promise of production-grade availability, recovery, or commercial hosting rights. Supabase publishes useful free quotas, yet projects with low activity may pause, downloadable database backups are unavailable on its Free plan, and the right application host depends on that host’s terms. Treat the free stack as a way to start and validate a project, then check its operational needs and expected usage before launch.
What the free-tier stack can—and cannot—mean for a client site
Next.js provides the application framework; Supabase can provide the database, authentication, storage, and related backend services. The combination has an official starter and a workable path for a small site. But “free” describes plan access and quotas, not a guarantee that every client workload will remain free or meet its availability and recovery requirements.
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There is also a separate hosting decision. Next.js is not limited to one provider: its deployment documentation says a platform needs a Node.js server, with platform-specific capabilities varying for features such as streaming and multi-instance caching. Review the requirements of the host you choose, as well as its commercial-use terms, independently of Supabase’s plan. Next.js deployment documentation.
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Supabase’s billing documentation, checked October 7, 2026, lists the following Free plan limits. They are published quotas, not estimates of what a particular client site will use or guarantees of service capacity. The free-project limit applies across organizations where the account is an Owner or Administrator. Supabase billing and plan details.
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| Free plan item | Published allowance |
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| Active Free projects | 2 |
| Database size | 500 MB per project |
| Egress | 5 GB |
| Monthly active users | 50,000 |
| Storage | 1 GB |
| Edge Function invocations | 500,000 |
Before committing to a plan, compare the client’s likely database size, user activity, stored files, function use, and traffic against the current published limits. Recheck the billing page when making that decision because quotas and plan terms can change.
Operational limits to settle before launch
Inactivity pauses
Supabase says low-activity Free projects may be paused after a week. If a client expects the site or its backend to remain continuously available, decide whether that behavior is acceptable rather than assuming a free project will always be active. Supabase production-readiness guidance.
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Backups and recovery
Downloadable database backups are not available for Free projects. Establish how the client would recover data and whether that meets the project’s recovery requirements before using the plan for production. If it does not, evaluate a paid plan or another suitable arrangement.
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For greater control over transactional authentication email delivery, Supabase recommends configuring your own SMTP credentials. Account for that setup in the launch checklist if the site relies on sign-up, password reset, or other auth email flows. Supabase production-readiness guidance.
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How to connect Supabase to a Next.js app
Supabase’s official Next.js quickstart uses a preconfigured starter for cookie-based authentication, TypeScript, and Tailwind CSS. It is designed to get a working app running, not to certify the result as production-ready. Supabase Next.js quickstart.
- Create the app: run
npx create-next-app@latest my-app -e with-supabasein a terminal. This creates a project from Supabase’s Next.js starter. - Configure the connection: add the Supabase project URL and publishable key as environment variables, following the quickstart. Keep credentials out of source control; configure the corresponding values in the deployment environment as well.
- Build and verify locally: follow the quickstart to query the database through the app and test the authentication flows you intend to use.
- Prepare database changes: create and apply database migrations so schema changes can be deployed predictably.
- Choose a deployment workflow: connect the repository through Supabase’s GitHub integration, or use the CLI in a user-managed CI/CD pipeline to deploy database changes.
- Deploy the application: use a host that meets Next.js requirements, then test environment configuration, permissions, and recovery expectations before launch. Consider whether the project needs a custom domain.
Deploying schema changes: GitHub, CLI, and preview branches
Supabase documents GitHub integration and CLI-based deployments as available on all plans. Its recommended GitHub workflow can deploy schema changes from main; a team can also manage deployment through its own CLI-based CI/CD pipeline. Supabase deployment guide.
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That does not mean every deployment feature is included on every plan. Supabase’s isolated preview branches for pull requests, which provision separate environments for reviewing changes, require Pro. If a team needs to inspect migrations in an isolated environment before production, include that requirement in its plan choice.
What to verify before putting the site in front of a client
- Database access: review row-level security (RLS) policies so users can access only the data they are permitted to see or change.
- Secrets: keep credentials in environment variables rather than committing them to the repository, and configure deployment environments correctly.
- Capacity: estimate database, storage, user, function, and egress use against Supabase’s current quotas.
- Availability: decide whether the possibility of a Free project pausing after low activity is acceptable.
- Recovery: confirm that the backup and recovery approach meets the client’s needs, given that Free projects do not have downloadable database backups.
- Email delivery: determine whether the authentication flows need your own SMTP configuration.
- Review workflow: decide whether GitHub or CLI deployments are enough, or whether the team needs Pro’s isolated pull-request preview branches.
- Hosting terms: check the selected host’s current rules for commercial use and the deployment features the app needs.
Can you use Vercel Hobby for a client website?
Do not infer commercial permission from the fact that a Next.js app can technically be deployed on a host. A Vercel staff response in the community forum from March 2023 described Hobby’s commercial-use boundary in terms of deployments used for financial gain by anyone involved in production. Because that response is old, it is a reason to inspect Vercel’s current terms—not a substitute for them. Confirm the current rules for the specific client arrangement before choosing a plan. Vercel community forum response.
Vercel is one deployment route, not a framework requirement. Compare hosts on their current commercial terms and on whether their capabilities match the application’s deployment needs.
When the free setup is a reasonable starting point
A free setup can be useful while developing or validating a small project if its expected usage fits the published quotas and the client accepts the operational limits. It is a weaker fit when the site needs dependable availability, downloadable backups, or isolated pull-request environments that the Free plan does not provide. Decide based on the site’s risk and recovery needs, usage expectations, review workflow, and hosting terms—not on the word “free” alone.
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