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Your Bubble app launched fast, validated the idea, and got real users. Now it is hitting walls. Pages load slowly under traffic. A workflow you need cannot be built without a plugin that half-works. Your developer says the data model is too tangled to extend cleanly. These are not Bubble bugs. They are signs that your product has outgrown the platform it was built on.
You're not just changing what your users see when you switch from Bubble.io to a custom system made with React and Next.js; you're changing how everything works. This guide will show you how to move everything over. It will show you how to look at what you already have, get your data out of Bubble and into a format that can be used, recreate what your users see and how things happen with React and Next.js, move over login information without causing problems for people who are already using it, and how much all of this will probably cost. You'll know exactly what to do to switch from Bubble to React and if you should start right away when you're done.
What does it mean to migrate from Bubble.io?
Migrating from Bubble.io means rebuilding your app in a custom code stack, replacing Bubble's visual builder with explicit implementations of your data model, backend logic, authentication, and frontend. Bubble abstracts all of these layers into a single environment. Moving to React/Next.js makes each layer independently managed and fully under your control. This is the most accurate definition of a Bubble to custom code migration.
| Phase | What to Do | Tools | Risk Level |
|---|---|---|---|
| Audit | Document data types, workflows, plugins, APIs | Bubble editor, spreadsheet | Low |
| Export | Export CSVs, clean data, map to new schema | Bubble export, Excel/Sheets | Medium |
| Schema mapping | Translate Bubble things into relational tables | PostgreSQL, Supabase, Firebase | Medium |
| UI rebuild | Recreate pages and components in React | Next.js, Tailwind, component libraries | Low |
| Workflow translation | Rewrite visual logic as API routes and services | Node.js, Next.js API routes | High |
| Auth migration | Move users to a managed auth provider | Auth0, Clerk, Supabase Auth | High |
| Testing | Run Bubble and Next.js apps in parallel | Playwright, Jest, manual QA | Medium |
| Deployment | Phased cutover or big-bang launch | Vercel, AWS, Railway | Medium |
Teams do not leave Bubble.io because it is a bad product. They leave because their app has grown past what Bubble was designed to handle.
Bubble works well for MVPs and early-stage products. Once your app gets real usage, specific cracks start to show.
The most common triggers include:
There is a point where adding more workarounds costs more than rebuilding properly. You are probably past that point if your backend workflows have grown into a maze of interdependencies, if you are using multiple plugins to approximate a single standard feature, or if your team spends more time debugging Bubble quirks than shipping product.
A full Bubble to custom code rebuild also makes sense when your UI requirements demand something Bubble simply cannot produce. Custom data visualizations, real-time collaborative features, native mobile parity, and complex form logic all hit hard limits in Bubble.
If the app is core to your business and you expect it to grow, patching is a short-term fix with compounding costs.
This is not just a frontend swap. When you migrate from Bubble.io to React/Next.js, you are replacing every layer of the stack.
Bubble abstracts your database, your API layer, your auth system, your backend logic, and your frontend into a single visual environment. Moving to custom code means each of those layers becomes explicit and independently managed. Your data moves into PostgreSQL or Supabase. Your workflows become API routes and service functions. Your auth moves into a dedicated provider. Your frontend becomes a React application with real component architecture.
That is a bigger change than most founders expect. Plan for it accordingly.
Before any code is written, you need a complete inventory of your Bubble app. Skipping this step is the most common reason Bubble migrations stall halfway through.
Open your Bubble editor and go through every data type. For each one, record:
The goal is a migration inventory, not a perfect schema. You are creating a map you can later translate into SQL tables. Pay special attention to lists on things, which are Bubble's way of storing one-to-many relationships inside a single record. These will need to be normalized into separate tables in a relational database.
Bubble privacy rules control which users can read or modify records. In a custom stack, this logic moves into API authorization middleware and backend access rules. Document every privacy rule now so nothing gets missed during the rebuild.
Bubble's visual workflows hide a surprising amount of business logic. Go through every page and map out:
For each workflow, write a plain-language description of what it does. Do not assume the logic is obvious from the visual builder. Some workflows have conditional branches that only fire in specific states, and those are easy to miss if you are moving fast. A workflow that looks like three steps in Bubble can translate into a dozen lines of conditional logic in code.
List every plugin installed in your app and note what it does. Then categorize each one:
For each core plugin, identify the official SDK or HTTP API you will use in the custom stack. For workarounds, question whether the feature is still needed at all. This inventory directly shapes your Bubble to React migration scope and cost.
Exporting your Bubble data correctly is one of the highest-risk steps in the migration. Errors here cause data loss, broken relationships, or a schema that does not fit your new backend.
Bubble lets you export each data type as a CSV from the Data tab in your editor. Export every type, including option sets. Before you do anything with those files, clean them:
Export your Bubble app data and then reshape it using a spreadsheet or a lightweight ETL script before importing into your new database. Do not import raw Bubble CSVs directly. They will not map cleanly, and relationship fields will break on import.
Each Bubble data type becomes a SQL table. Each field becomes a column. Relationships become foreign keys.
The translation is mostly straightforward, but lists on things require a decision. If a User has a list of Orders in Bubble, that is stored as a multi-value field on the User record. In PostgreSQL, that becomes an Orders table with a user_id foreign key column. You are normalizing what Bubble denormalized.
For Supabase specifically, you get PostgreSQL with a built-in auth schema, which simplifies the user table migration. Firebase is a different model entirely: you are mapping to a document structure rather than relational tables, which changes how you handle joins and queries.
Option sets in Bubble are essentially enums. In PostgreSQL, you can represent them as an ENUM type or as a reference table, depending on whether the values need to change at runtime.
Bubble's privacy rules do not have a direct database equivalent. The access control logic they contain needs to move into your API layer as authorization checks. Document each rule and decide whether it belongs in a middleware function, a row-level security policy in Supabase, or a service-layer check in your application code.
Denormalized patterns that Bubble makes easy, like storing calculated values directly on a record, should be evaluated carefully. In a custom stack, computing those values at query time rather than storing them keeps your data consistent and reduces sync errors.
The UI rebuild is the most visible part of the migration. Users will notice regressions here immediately, so approach it with more discipline than you might expect.
Your existing Bubble app is the most accurate spec you have. Do not start from scratch. Take screenshots of every page and state, map out every interaction, and document every conditional visibility rule.
This gives your React developers a precise blueprint. It also surfaces edge cases early, like empty states, error states, and loading states that Bubble handles automatically but your custom app will need to handle explicitly. Missing these states is one of the most common causes of post-launch regressions in Bubble to Next.js projects.
Two approaches work here, and the right one depends on your app's structure.
Component-first: Build your design system and reusable components before assembling pages. This works well for apps with consistent UI patterns and a clear component hierarchy. It takes longer upfront but produces cleaner, more maintainable code.
Page-by-page: Build and ship one complete page at a time. This works well when you need early validation or when different parts of the app have very different UI patterns. It lets you test real user flows faster.
For most Bubble to React migrations, a hybrid approach works best: build the core components first, then assemble pages quickly using those components.
Bubble's responsive engine handles a lot automatically. React does not. Every breakpoint, every layout shift, every mobile-specific behavior needs to be explicitly coded.
Go through your Bubble app on mobile, tablet, and desktop before rebuilding. Screenshot every layout state. When you rebuild in React and Next.js, test against those screenshots at every breakpoint. Do not assume the layout will work because it looks right on desktop. Optimizing performance for ReactJS apps also means getting layout and rendering right from the start, not as an afterthought.
Many Bubble apps have more backend logic than their owners realize. Visual workflows feel lightweight, but they often contain the core business rules of the product.
| Bubble Feature | Custom Code Equivalent |
|---|---|
| Page workflow | React event handler + API call |
| Backend workflow | Next.js API route or server function |
| Scheduled API workflow | Cron job (Vercel Cron, AWS EventBridge) |
| API Connector | HTTP client (fetch, axios) or official SDK |
| Plugin | npm package or official SDK |
| Custom state | React state (useState, Zustand, Redux) |
| Option set | Enum, constants file, or reference table |
| Privacy rule | API middleware, Supabase RLS, or service-layer auth check |
Each Bubble workflow has a trigger and a sequence of actions. The trigger usually maps to a frontend event (button click, page load, input change). The actions need to be split: UI actions stay in the React component, and business logic moves to the backend.
A workflow that creates a record, sends an email, and updates a status should not live in a single frontend function. The record creation and email trigger belong in an API route or service layer. The status update is a consequence of that backend operation, returned to the frontend as a response.
This separation is what makes your new codebase testable and maintainable. Bubble mixes these concerns by design. Your custom stack should not.
Bubble's scheduled API workflows become cron jobs or queue-based workers. The logic is the same. The implementation is just explicit rather than visual.
For simple recurring tasks (daily digests, cleanup jobs, status checks), Vercel Cron or AWS EventBridge handles scheduling cleanly. For event-driven automation that needs retry logic or fan-out (sending notifications to many users, processing uploads), a queue like BullMQ, SQS, or Inngest is the right tool.
The automation you built in Bubble is not lost. It is implemented in a way that you can test, version, and monitor properly.
Most Bubble plugins are wrappers around third-party APIs. In a custom stack, you use the official SDK directly.
Common replacements:
stripe npm package@sendgrid/mail npm packagetwilio npm package@googlemaps/js-api-loader or react-google-mapsfetch or axios with your own service wrapperOfficial SDKs are better documented, more actively maintained, and not dependent on a Bubble plugin author keeping up with API changes. This is one of the clearest long-term wins of the Bubble to custom code migration. The React JS frameworks you choose will also shape how you structure your service layer, so make that architectural decision before you start writing integration code.
The safest way to migrate Bubble authentication is to move users into Auth0, Clerk, or Supabase Auth while preserving sessions and minimizing password resets.
Bubble stores passwords as hashed values that you cannot export. That means you cannot directly import credentials into a new auth system. Your options are:
Supabase Auth and Clerk both support custom user import flows that let you pre-populate user records without requiring immediate password resets. Plan this step early. Auth failures on launch day are the worst possible user experience.
Both approaches work. The choice depends on your risk tolerance and team capacity.
Phased migration: Run Bubble and your new Next.js app in parallel. Migrate users and features gradually. Lower risk, but requires maintaining two systems simultaneously and managing data sync between them.
Big-bang cutover: Build the full custom app, test thoroughly, then switch DNS and decommission Bubble in a single event. Higher coordination risk, but simpler to execute if your testing is solid.
For most apps under 10,000 users with a reasonably contained feature set, a big-bang cutover with a well-tested staging environment is the cleaner choice. Phased migration makes more sense for apps with complex data relationships or large user bases where even a small percentage of failures is unacceptable.
Run both apps simultaneously during QA. For every critical workflow in Bubble, execute the same workflow in your Next.js app and compare outputs.
Your testing checklist should cover:
Do not decommission Bubble until every item on that list passes. Keep Bubble accessible (even if read-only) for at least two weeks after launch in case you need to reference original data or behavior.
Bubble migration cost and timeline depend almost entirely on app complexity. Here are realistic ranges based on typical project scope.
| App Size | Timeline | Estimated Cost | Typical Scope |
|---|---|---|---|
| Small | 1–2 weeks | $8K–$20K | 3–5 pages, simple CRUD, 1–2 integrations, basic auth |
| Mid-size | 4–6 weeks | $20K–$50K | 10–20 pages, custom workflows, 3–5 integrations, role-based auth |
| Complex | 8–16 weeks | $50K–$120K+ | 20+ pages, complex business logic, 6+ integrations, custom permissions, real-time features |
These ranges assume a small team of 2–3 engineers. Solo freelancer work can be cheaper but typically takes longer. A larger team can compress the timeline but increases coordination overhead.
Not all migrations land at the same point in these ranges. The factors that push cost higher include:
Understanding these drivers helps you scope the project honestly before you start. Scaling ReactJS applications after migration also adds to the long-term investment, but it is an investment in infrastructure you actually own.
The hour estimates above rarely translate directly into calendar time. A 300-hour project does not take 7.5 weeks at 40 hours per week.
Data validation, stakeholder reviews, QA cycles, and integration debugging all introduce delays that are hard to predict upfront. Add 20–30% buffer to any timeline estimate. Plan your launch date around that buffered estimate, not the optimistic one.
Also account for the fact that your team will still be running the Bubble app during the migration. Support requests, urgent fixes, and business demands do not pause because a rebuild is in progress.
Migrating from Bubble.io is a structured project, not a gamble, but it requires the right team and a clear plan from day one. If you are trying to figure out whether your app is ready for a custom rebuild and what it would actually take, talking to engineers who have done it before is the fastest way to get clarity.
Book a free consultation with the Brilworks team and walk away with a realistic assessment of your migration scope, timeline, and cost.
Migrating from Bubble.io to React means rebuilding your app in a custom React frontend paired with a backend like Next.js, PostgreSQL, or Supabase. Your data model, workflows, authentication, and integrations are all implemented in code instead of Bubble's visual builder. You get full control over every layer of the stack.
Export each Bubble data type as a CSV, clean the data, and map it to your new database schema before importing. Validate relationships, option sets, and list fields so the data fits the relational structure of PostgreSQL or Supabase. Always run a test import on a staging database before touching production.
For apps with complex workflows, performance requirements, or a growing engineering team, yes. Staying on Bubble makes sense for simpler products that are not hitting architectural limits. Once your workflows and integrations become difficult to maintain or extend, custom code is the more practical long-term choice.
Starting the UI rebuild before fully auditing workflows, data structures, and integrations. That leads to missing business logic, broken API dependencies, and rework that could have been avoided with a proper pre-migration inventory. Audit first. Build second.
Separate UI-triggered actions from backend logic, then rewrite each as a service function, API route, queue, or cron job. This keeps the logic testable and maintainable. Choosing your React JS frameworks early shapes how you structure that service layer, so make that decision before writing any integration code.
When Bubble's limitations are actively slowing product development, causing user-facing performance issues, or blocking features the business needs. If the app is core to your operations and expected to grow, rebuilding in React/Next.js is justified by the reduction in long-term maintenance risk and the increase in engineering flexibility.
Yes. Once your app is on a React/Next.js stack, extending to mobile becomes significantly more practical. Your component logic and API layer can be shared with a React Native app, which is one of the structural advantages of moving to custom code. If mobile is part of your roadmap, understanding the React to React Native path is worth doing early in your planning.
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