Bubble vs Retool: Customer Portals and Internal Tools
Bubble suits a customer experience that needs custom screens and app workflows. Retool suits operational screens connected to existing data, and also supports external apps. For a business needing both, decide who uses each screen and where the shared records live before choosing the builder.
Last updated: 2026-10-05
Bubble vs Retool: which is better?
Choose Bubble when the customer journey and custom interface drive the project. Evaluate Retool when staff need to act on existing business data, or customers need a bounded portal. A combined setup can work, provided both interfaces use a controlled source of truth and the team can maintain the connections.
- →Choose Bubble if A customer journey with custom layouts, onboarding and app workflows is the main product.
- →Choose Retool if Staff need operational screens on existing systems, or customers need a controlled external portal.
In This Comparison
Side-by-Side Comparison
| Category | Bubble | Retool |
|---|---|---|
| Main fit | Custom app journeys and interfaces | Operational interfaces on existing systems |
| Customer access | Customer-facing apps | External apps supported; check plan and editor |
| Data ownership | Built-in database and API connections | Database and API resources |
| Permission design | Data-type privacy rules and workflow authorisation | App/resource permissions plus record-level checks |
| Cost drivers | Plan, workload, storage and integrations | Builders, internal/external users, plan and usage |
Bubble
- Main fit
- Custom app journeys and interfaces
- Customer access
- Customer-facing apps
- Data ownership
- Built-in database and API connections
- Permission design
- Data-type privacy rules and workflow authorisation
- Cost drivers
- Plan, workload, storage and integrations
Retool
- Main fit
- Operational interfaces on existing systems
- Customer access
- External apps supported; check plan and editor
- Data ownership
- Database and API resources
- Permission design
- App/resource permissions plus record-level checks
- Cost drivers
- Builders, internal/external users, plan and usage
Winner by Category
Best for custom_interface
BubbleA visual builder for a tailored customer journey
Best for operational_data
RetoolAn operational interface over existing database and API resources
Should you choose Bubble or Retool?
Choose Bubble when the customer journey and custom interface drive the project. Evaluate Retool when staff need to act on existing business data, or customers need a bounded portal. A combined setup can work, provided both interfaces use a controlled source of truth and the team can maintain the connections.
“The best tool depends on what you are building and how you work. There is no universal winner. Pick the one that fits your workflow and budget, then ship something.”
When should you use each tool?
Choose Bubble
A customer journey with custom layouts, onboarding and app workflows is the main product.
Choose Retool
Staff need operational screens on existing systems, or customers need a controlled external portal.
Which is better for a small business needing internal and external apps?
Start by separating the customer task from the staff task. A customer might request a quote, upload a document and see progress. Staff might assign the request, change its status and prepare the quote. Those are different interfaces over the same business process.
Bubble is a reasonable candidate when the customer interface needs a distinctive layout and several linked journeys. Retool is a reasonable candidate when the staff interface needs to query existing systems and perform operational actions. Retool also supports external apps; treating it as strictly internal would rule out a valid option.
You can use one platform for both audiences, or a customer app alongside a staff tool. The deciding questions are who can see which records, where changes are committed, and who will maintain the result. The examples below are illustrative designs, rather than client results.
A customer portal and staff dashboard: one worked example
Consider a Melbourne maintenance business with a customer portal for service requests and a dashboard for dispatch. The customer supplies an address, photographs and access instructions. Dispatch checks the request, assigns a technician and updates the appointment. The customer sees the appointment and progress, without seeing staff notes or other customers' addresses.
A Bubble-led design keeps the customer journey and staff screens in one application. A Retool-led design uses operational screens and a controlled external experience. A combined design puts the customer journey in Bubble and the dispatch interface in Retool, connected through an authorised API.
In that combined design, nominate one system as the authority for requests and status changes. Do not maintain two independently editable copies of the job. Record who changed it, the previous status and the new status. Decide what a customer sees if a connected system is temporarily unavailable.
Before estimating the build, write down one complete request from submission through dispatch to completion. Include a rejected request and a cancelled visit. These exceptions often determine more of the work than the happy-path screen.
| Task | Customer | Dispatch team |
|---|---|---|
| New request | Create and view own request | Review and assign |
| Documents | Upload and view own files | Review permitted job files |
| Status change | See customer-facing progress | Perform permitted transitions |
| Internal notes | No access | Role-based access |
| Cancellation | Request cancellation | Confirm policy and next action |
Can Retool build customer-facing apps?
Yes. Retool documents external apps for customers, vendors and partners. Its external classic-app guide describes branding and external-user permission groups. That guide is explicitly for the classic editor, while Retool now recommends its newer app builder. Confirm the chosen editor supports the external experience you need before committing to a design.
Check the live pricing page for external-user access and the required plan. A staff-only prototype on a cheaper plan does not establish the cost or suitability of a customer portal. Include the login flow, invitation rules and access removal in the proof of concept.
For an external portal, test a customer account with real permission boundaries. An administrator preview can hide problems a customer will encounter.
Record access matters more than hiding buttons
A hidden admin button is not a data-access rule. The customer must be unable to obtain another customer's record by changing an ID, opening a file URL or calling an endpoint directly.
Bubble uses privacy rules to control access to data types. Configure them for each private type and test both records and uploaded files. Review backend workflows separately: a workflow that runs with broader privileges needs its own checks on the requested action.
For Retool, app and resource permissions govern access to those surfaces. Also define how each query or API restricts records to the authorised customer or staff member. Do not rely on a browser filter as the only boundary. Write permission tests in business terms: customer A cannot read customer B's request; dispatch can assign a job; a technician can see only the jobs their role permits.
Compare the running work as well as the subscription
Price the actual audience, workload and connections. For Retool, distinguish builders, internal users and external users, then check the applicable plan. For Bubble, review the plan and workload assumptions for the customer journey. Verify current vendor prices instead of comparing an old starting price with a different kind of licence.
The operating estimate should also cover storage, email or SMS, API access, failed-job monitoring and support. A portal that needs a manual fix every time a payment or document upload fails can cost more to run than its subscription suggests.
Assign an owner for each integration. Document how to change a status rule, revoke access, reconnect a resource and recover from an interrupted workflow. For a combined setup, add the responsibility for keeping the interface contract between platforms consistent.
A proof of concept that can decide the project
Build the smallest complete workflow before building every screen. Include a customer login, one request, a staff action, a status update and a failed connection. Use separate accounts for each role.
Choose one platform if it can deliver both audiences' requirements without awkward duplication. Choose a combined design when the benefit of specialised interfaces outweighs the extra connection and maintenance work. If neither can enforce the permissions or integration requirements, consider a custom application.
The handover should contain the data model, role matrix, external accounts, connection inventory and recovery instructions. For related scheduling requirements, read our booking-system backend guide.
- Can a customer complete the workflow on a phone?
- Can a customer obtain a record they do not own?
- Can staff correct an error without editing the database manually?
- Does a repeated submission create a duplicate request?
- What happens when a connected service times out?
- Can the business change providers with a documented export and handover?
Frequently Asked Questions
Can Retool be used for customer-facing apps?
Yes. Retool supports external apps. Confirm external-user pricing, permissions and the capabilities of the editor you intend to use; its classic-app documentation does not automatically describe the newer builder.
Can a small business use Bubble and Retool together?
Yes, for example a Bubble customer journey with a Retool staff dashboard. Choose one authoritative source of records, enforce access through the connection and account for maintaining both interfaces.
Is Bubble or Retool better for database-heavy applications?
Start with the existing database, queries and access rules. Retool is a candidate for operational screens on existing data. Bubble is a candidate when the custom customer journey drives the project. Test a complete workflow before choosing.
Build a portal your customers and team can use
Bring the customer task, the staff process and the systems involved. We can scope the interfaces, permissions and connection before choosing a platform.
Discuss your customer portal