Supabase vs PlanetScale: Which Serverless Database for 2026?
Supabase and PlanetScale are both managed database platforms built for modern cloud applications, but they occupy very different positions in the backend landscape: Supabase is a full Backend-as-a-Service built on PostgreSQL that bundles authentication, file storage, realtime subscriptions, and edge functions alongside its database, while PlanetScale is a pure database platform built on MySQL with a Vitess sharding layer designed for teams that need extreme horizontal scale. The core architectural difference is that Supabase replaces your entire backend infrastructure for most apps, whereas PlanetScale only replaces your database server and leaves auth, storage, and everything else to you. This guide is written for startup founders, product managers, and no-code developers who need a clear, practical comparison before committing to one platform for a new project.
| Feature / Aspect | Supabase | PlanetScale |
|---|---|---|
| Database Engine | PostgreSQL | MySQL (Vitess) |
| Auth | Built-in auth (email, OAuth, SSO) | None, bring your own |
| Realtime | WebSocket subscriptions | None |
| Storage | S3-compatible file storage | None |
| Branching | Not available | Database branching (standout feature) |
| No-Code Integration | Native (WeWeb, FlutterFlow) | Via external API/ORM only |
| Scale | To millions of rows | Designed for extreme horizontal scale |
| Free Tier | 500MB, 2 projects | 10GB, 1 database (discontinued free tier) |
Supabase vs PlanetScale: key differences explained
The most fundamental difference between Supabase and PlanetScale is the database engine underneath. Supabase runs on PostgreSQL, the world's most feature-rich open-source relational database, which gives you JSON support, advanced indexing strategies, full-text search, and the row-level security policies that make Supabase particularly powerful for multi-tenant applications. PlanetScale runs on MySQL with Vitess layered on top, the same sharding technology that powers YouTube and Slack at hundreds of thousands of queries per second. MySQL and PostgreSQL have diverged significantly over two decades: PostgreSQL has stronger support for complex queries, window functions, and custom data types, while MySQL is often considered easier to operate at massive read volumes with well-understood replication patterns. If your team already has MySQL expertise or you are migrating an existing MySQL application, PlanetScale is a natural fit. If you are starting fresh, PostgreSQL's richer feature set tends to be the better long-term foundation, which is why Supabase wins the default choice for most greenfield projects.
Beyond the database engine, the biggest difference is scope. Supabase is a complete backend platform that ships authentication with email, magic links, OAuth providers, and enterprise SSO out of the box. It includes S3-compatible object storage for files and media, a realtime engine that lets your frontend subscribe to database changes over WebSockets, and edge functions for custom server-side logic. You can build a full production application without writing a single line of custom backend infrastructure. PlanetScale, by contrast, is a database-only product. It does not include authentication, file storage, or realtime features. If you choose PlanetScale, you need to wire up your own auth provider, choose a separate storage solution, and build or buy any realtime layer separately. For teams who already have preferred solutions for those concerns, that is perfectly fine. For teams who want to move fast and keep their stack small, the total cost of assembling those pieces is higher than most people expect.
PlanetScale's genuinely standout feature for engineering teams is database branching. In the same way Git lets you work on a feature branch without affecting main, PlanetScale lets you create a branch of your database schema, apply migrations, and open a deploy request that a team member can review before the schema change lands in production. This workflow eliminates the risk of running raw ALTER TABLE statements against a live database, which is one of the most common sources of production incidents for growing teams. Supabase does not have an equivalent feature at the time of writing. PlanetScale's branching model is compelling enough that some teams choose it specifically for this reason, even if they then build their other backend services separately. If your team does a lot of schema iteration in CI/CD pipelines and you want the safety net of reviewed schema deploys, PlanetScale's branching is a genuine differentiator worth the trade-off.
For no-code builders, the integration story strongly favors Supabase. Supabase ships official native plugins for both WeWeb and FlutterFlow, which means you can connect your front end to your database, auth system, and file storage in minutes without writing any custom code. You get type-safe data fetching, row-level security respected at the query level, and real-time data binding all within the visual builder interface. PlanetScale has no native connectors for WeWeb or FlutterFlow. To use PlanetScale in a no-code project you need to build a custom REST or GraphQL API layer, or route your queries through a backend-as-a-service tool like Xano that can connect to a MySQL database. This adds a layer of complexity and cost that erases most of PlanetScale's pricing advantages for smaller teams. For the no-code and low-code developer audience, Supabase is the clear practical choice unless there is a specific MySQL requirement that cannot be worked around.
When to choose each
Supabase, Better for full-stack apps
Choose Supabase when you are building a full-stack or no-code application and want a single platform that handles your database, auth, file storage, and realtime updates. Our team uses Supabase for the large majority of client projects because the native WeWeb and FlutterFlow connectors eliminate weeks of integration work, and row-level security policies let us enforce multi-tenant data access rules directly in the database without writing custom middleware.
Build with us using Supabase →PlanetScale, Better for high-scale MySQL
Choose PlanetScale when you are operating at very high write volumes and have specific MySQL expertise in your team, or when the database branching workflow for safe schema migrations is a priority for your engineering process. PlanetScale is better suited to later-stage infrastructure challenges than to greenfield startup development, and works best when you already have solutions in place for auth, file storage, and API orchestration.
Our verdict
Supabase gives you a complete backend platform: database, auth, storage, realtime, edge functions. For startups building no-code or full-stack apps, it's the single best choice.
PlanetScale is designed for teams that need MySQL at extreme horizontal scale, think millions of database writes per second. It's what you use when you've outgrown traditional database scaling, not when you're starting out.
For startups and scale-ups building no-code apps, Supabase. PlanetScale is for later-stage infrastructure engineers solving specific scale problems.
At App Studio, Supabase is our default database choice for approximately 90% of client projects. The primary reason is the native integration with WeWeb and FlutterFlow: connecting a WeWeb front end to Supabase takes minutes, row-level security policies give us granular data access control without custom API logic, and the built-in auth system means we are not stitching together a separate identity provider for every project. For projects involving edge cases like an existing MySQL codebase or an engineering team with strong MySQL preferences, we do evaluate PlanetScale, but the overhead of building a separate API layer to bridge the gap with no-code tools usually makes Supabase the more practical choice overall.
If you do start a project on PlanetScale and later decide to migrate to Supabase, be aware that the migration involves more than copying data: you are moving from MySQL to PostgreSQL syntax, which means stored procedures, data type defaults, and certain query patterns will need to be rewritten. MySQL uses AUTO_INCREMENT where PostgreSQL uses SERIAL or GENERATED ALWAYS AS IDENTITY. MySQL's TINYINT(1) for booleans becomes a native BOOLEAN in PostgreSQL. Some MySQL-specific functions have no direct equivalent and will need to be replaced. The migration is entirely doable and there are tools that automate much of the schema translation, but it is not a lift-and-shift, and planning for that conversion cost is important if you are evaluating the two platforms for a project that might scale significantly over time.
Not sure which to choose?
Book a free consultation →Supabase vs PlanetScale: common questions
Which is better: Supabase or PlanetScale?
Supabase gives you a complete backend platform: database, auth, storage, realtime, edge functions. For startups building no-code or full-stack apps, it's the single best choice.
When should I use Supabase instead of PlanetScale?
Use Supabase when you need more than just a database. If your project requires user authentication, file uploads, realtime data sync, or native no-code builder integrations, Supabase handles all of that in one platform. PlanetScale is a database-only product, so you would need to build or buy separate solutions for each of those concerns if you choose it.
Is PlanetScale cheaper than Supabase?
See our full pricing comparison above. The right choice depends on your use case, not just price.
Can App Studio build with Supabase?
Yes, we are certified experts in the no-code and low-code stack. Book a free call to discuss your project and we'll recommend the right tool for your use case.
Does PlanetScale have a free tier?
PlanetScale ended its free tier in early 2024, which was a significant change for solo developers and small teams who had been using it for hobby or early-stage projects. Entry-level paid plans now start at $39 per month. Supabase still offers a free tier that includes 500MB of database storage and up to 2 active projects, making it the more accessible starting point for teams that are not yet ready to commit to a paid database subscription.
Can I use PlanetScale with WeWeb or FlutterFlow?
Not natively. PlanetScale does not ship official connectors for WeWeb or FlutterFlow, so connecting it to a no-code front end requires building a custom REST or GraphQL API layer, or using a middleware tool like Xano that can connect to a MySQL data source and expose it as a structured API. Supabase connects directly to both WeWeb and FlutterFlow with official plugins that handle authentication, data fetching, and file storage without any custom backend code, which is why it is the practical default for no-code projects.