AI App Builder Role-Based Access (2026): Your Team, Not Your Users

Quick Answer

Ask any of these builders whether it does role-based access and seven of the eight say yes. The yes is about your teammates, not your users.

Every builder here has a way to say who on your team may open the editor, publish, or touch billing. Almost none of them has a way to say what a customer of the app you shipped is allowed to do once they log in. Those are two different populations, two different systems, and in most of this comparison only one of them exists.

You can tell the confusion is real because the vendors keep pre-empting it. Six of these eight publish a paragraph whose only job is to tell you which roles they are talking about.

• 

  Base44 is the clearest, and says it three separate times on one page: "Roles such as Admin and User control what people can do in the live app, but they do not give access to the app editor or dashboard."

• 

  Bolt.new needs a note to separate two of its own builder-side systems from each other, before the app even enters the picture.

• 

  Lovable ships a comparison table headed "Lovable has three features that sound alike but do different jobs."

• 

  Replit has a documentation page whose title is that account admins and workspace admins are distinct roles.

• 

  Softr spells out that single sign-on for Softr Studio covers app builders, while single sign-on for Softr apps covers the end users of what you built.

• 

  Webflow opens its overview with "Workspaces have two types of roles, a Workspace role and a Site role."

• 

  Bubble does not use a role ladder for collaborators at all. It uses a grid of independent capability checkboxes.

• 

  v0 has no role system of its own in either direction. It inherits Vercel's.

If what you actually need is an admin who can refund an order and a member who cannot, the short answer in September 2026 is that two builders ship it, one makes you model it, and the rest expect you to build it yourself.

The word does not travel between the two doors

There are two questions hiding inside "does it have roles", and they have almost nothing to do with each other.

The first is about the workshop. Who on your team can open the editor, change the schema, connect an integration, publish to production, or read the billing page? Call this the builder side. Every product in this comparison has an answer, and most of the answers are elaborate.

The second is about the building you handed over. Your app has signed-in users. Some of them should see the refunds screen and some of them should not. Call this the app side. This is the question people are usually asking, and it is the one most of these products do not answer.

The reason this is worth a whole comparison rather than a footnote is that the two look identical from the outside. Both are configured from an admin screen. Both use the words admin, editor and viewer. Both are described in the docs as roles and permissions. A buyer reads "role-based access control" on a feature page, ticks the box, and discovers in week three that the feature governs their two colleagues rather than their four thousand customers.

Authentication is a separate question again, and a solved one: nearly every builder here will log a user in for you. We covered whose login screen it is, whose account your user is creating, and what the second week costs in our comparison of built-in auth across eight AI app builders. This piece assumes the user is already logged in and asks the next question, which is what they are then allowed to do.

Axis 1: which population the roles govern

Start by separating the two, because every other question depends on which one you are in.

Builder side: universal, and more complicated than you expect

All eight have a builder-side model. What surprised us is how many of them have more than one, layered on top of each other, in a way the vendors themselves find hard to explain.

Bolt.new is the cleanest illustration. Its team settings page carries a note distinguishing two systems that both use the word role. "Admin, Billing Admin, and Member are the team roles you assign when you add someone to your team. Viewer, Editor, and Co-owner set the default permission level members have on team projects." So a Bolt Member can be a project Co-owner, and a Bolt Admin can default to project Viewer. Two axes, one vocabulary, and a documentation note doing the work of an information architecture.

Lovable stacks its two the other way, nested rather than orthogonal. Every project has one owner plus Owner, Admin, Editor or Viewer roles, and then "Workspace roles matter too. Workspace owners keep full access to all projects in the workspace regardless of who owns each project." The project-level ladder is real, and it is silently overridden from above.

Replit's single ladder is Admin, Member, Guest and Viewer, and it changes shape by plan: "On Enterprise, the Admin role is split into two distinct roles, account admin (billing and account-wide control) and workspace admin (scoped to the workspaces they belong to). On Core and Pro, there is a single Admin." The same word means a different thing depending on what you pay.

Webflow has the most elaborate model of the eight, and it is the only one where the role you can hold is decided by something else first: "The seat type determines which roles can be assigned to the member." Six seat types (full, limited, client, free, freelancer or agency guest) gate which Workspace role you may hold, which in turn gates your Site role. A full seat can be Admin, Site admin or Designer; a limited seat can only be Marketer or Content editor. The same person can hold different Site roles on different sites in the same workspace.

Bubble refuses the ladder entirely. A collaborator is a row of independent settings: an Admin checkbox, an App setting (view only, or view and edit), a Data setting with four levels from no permission up to view and edit, a Logs setting, and a checkbox restricting the person to the Development environment. You compose access rather than pick it.

Softr keeps three tiers, Owner, Collaborator and Guest collaborator, and Base44 keeps the simplest model of all: collaborators, who must already be members of the workspace that owns the app, and who can open the editor. There is no collaborator ladder to speak of.

v0 is the outlier that has nothing of its own. Every role reference in its documentation points at Vercel's access control, and the practical consequence is that a role in a different product gates a v0 capability: "You need at least the Developer role on Vercel to use them in v0."

App side: two shipped models, one you build, and one that was removed

Now the question people mean. Of eight builders, two ship a first-class model for what a signed-in user of your app may do, one gives you the primitives and expects you to model it, and the rest give you nothing to configure.

Base44 ships the smallest workable version. "By default, every app includes 2 roles: Admin: Can manage areas that are restricted to admins on the live app. User: Can view and use the app with no special permissions." Two roles, fixed, and you extend them by asking the AI chat to add a role or a field on the Users entity.

Softr ships the most developed. Its unit is the group, not the role, and groups can be dynamic, meaning "defined by rules based on user attributes or subscription tiers" so people land in them automatically at login, or static, meaning you add people by hand. Two groups exist by default and one of them is for anonymous visitors, which no other product here models. Permissions then apply at two levels: visibility of pages, blocks and action buttons, and data restrictions on which records a group may read, create, edit or delete.

Bubble gives you the primitives and the enforcement, but not the model. Roles are a field you add to the User type, and privacy rules are what actually stop the data leaving. That is a genuine answer, and it is more work than a dropdown.

Lovable and Replit both stop at authentication. Lovable protects app data with row level security rather than roles, and Replit's auth documentation suggests you "personalize the experience by name, role, plan, or past behavior" without providing a role to personalize by. Bolt.new's app-side surface is user management in the database settings: a sign-ups graph, and the ability to create, invite, search and delete users. There is no role concept in it at all.

Webflow is the one that had an answer and lost it. User Accounts, launched as Memberships, was sunset on 29 January 2026, along with its APIs and webhooks. That was 224 days before this comparison was published, and Webflow's help centre still hosts the feature overview next to the sunset notice. We wrote up what that removal cost the people using it in the built-in auth comparison linked above.

Axis 2: what the shape of the model costs you

Ladders, matrices and seat gates are not just presentation. Each one fails differently.

A ladder is easy to read and coarse to fit

Owner, Admin, Editor, Viewer is instantly legible, which is why most of these products use it. The cost is that real teams do not fit it. A contractor who should edit one project and see nothing else, an accountant who needs billing and nothing else, a client who should comment but not publish: each of these is a request to bend a ladder sideways.

The vendors' answers to that are revealing. Replit's is a second mechanism, custom groups, "available exclusively on the Enterprise plan". Softr's equivalent, custom user groups on the app side, sits on Professional and above. Webflow's is custom roles, again an enterprise capability. In every case the ladder is the product and the escape hatch is the upgrade.

A matrix fits better and hides its own leaks

Bubble's checkbox grid is the most expressive builder-side model here, and it is the one where you can most easily grant something you did not mean to, because the axes are independent and one of them quietly overlaps another. Bubble says so itself about the Logs setting: "Keep in mind that logs can give access to see data from the database and to scheduled workflows."

So a collaborator set to view only on Data, which reads as safe, can be granted log access on a separate line and see database contents anyway. The App axis has the same independence in the other direction, and Bubble states it plainly: "This setting determines whether the collaborator can make edits to your application or just view it. It does not affect the collaborators access to the database."

A seat gate makes access a purchasing decision

Webflow's model is the only one where the first question is not what someone should do but what kind of seat they occupy. That has a real advantage, in that a reviewer costs nothing and every workspace gets a hundred free reviewer seats. It also means changing what a person can do can require changing what you pay for them, and the role menu you see is a function of the seat you already bought.

An inherited model moves the question to another product

v0's approach removes a decision and adds a dependency. There is nothing to configure in v0, which is genuinely simpler, and the place you configure it is a different product with its own plan tiers. Vercel Pro "does not provide any additional v0 features. However, it does provide additional Vercel role options to your team members."

This is the same shape as an exit-path problem we have written about before, where a capability turns out to depend on a role in an account you may not control. That pattern shows up across vendor lock-in in AI app builders as well, for different reasons and with different consequences.

Axis 3: where the two systems touch, and leak

The two populations are supposed to be separate. In three products they are wired together, in one case deliberately.

A builder-side invite that silently grants an app-side role

Base44 keeps the boundary carefully in its prose and then crosses it in its defaults: "When you add someone as a collaborator, they are added to your app as an Admin in Users by default so they can manage content, data, and settings in the live app while they build."

Read that as an operator. Hiring a contractor to help build the app also makes them an administrator of the running app, including whatever admin-only areas you have built. Base44 tells you how to undo it, and says the app role can be changed later "without affecting their access to the app editor", but the default runs the other way, and the two roles are managed on two different screens.

A fusion that is a feature, on purpose

Lovable's workspace identity reuse takes the seam and welds it shut deliberately, for internal tools. Your app treats a teammate's existing Lovable login as its login, with no second account and no login page. The authorization consequence is the interesting part: "The app recognizes people who are signed in to Lovable and have access to the project."

Project access, a builder-side role, becomes the app's front door. Everyone else, including anonymous visitors and people who can only view the published app, gets no identity at all and your code decides what they see. For an internal dashboard that is elegant. For anything with customers it is the wrong tool, and Lovable says so, pointing those cases at traditional app authentication. It is a Business and Enterprise capability.

A role you cannot change once you have assigned it

Replit's Guest role is meant for external contractors, and on Enterprise it is one way: "You can't promote a Guest to Member or Admin, or switch them to Viewer, after they've been added, remove the Guest and re-invite them at the role you want."

That is a small thing until the contractor you hired becomes an employee, at which point the fix is deleting their access and issuing it again. Replit also notes that on Enterprise organizations with single sign-on, guests must use an email outside your SSO domains, so the workaround has a constraint attached.

An add that is not matched by a remove

Softr's workspace ladder is asymmetric in a way that is easy to miss from the role names. A workspace Collaborator can add another Collaborator and add a Guest collaborator. Only the Owner can remove either. The access list grows under anyone's hand and shrinks only under one.

The comparison table

Builder-side means who on your team can work on the project. App-side means what a class of signed-in user may do in the app you shipped. All findings from vendor documentation, read September 2026.

The details that decide whether it works at all

A role model either survives contact with a real org chart or it does not. These are the questions that decide it, and all of them are answerable from documentation before you commit.

Which population does the feature page mean? This is the whole article in one question. If a builder advertises role-based access and its documentation examples are about inviting a designer to a project, the feature governs your team. Search the docs for a sentence about the live app or the published app. If there is not one, there is no app-side model.

What happens to anonymous visitors? Softr is alone in treating not-logged-in as a group you can address directly, which matters for any app with a public tier. Base44 handles the same problem one level up, through app visibility, and states the consequence bluntly: an app that does not require login "cannot identify who each visitor is. Features that depend on user identity, such as user profiles or saved per-user data, will not work."

Is the fine-grained version the same product or a plan? Replit's custom groups, Softr's custom user groups, Softr's action visibility, Webflow's custom roles and Lovable's workspace identity reuse are all gated above the entry tier. The base model is what you get; anything shaped like your actual team is an upgrade conversation. Verify current plan placement with the vendor, since tiering moves.

Can you take a permission back? Adding access is universally easy. Removing it is where the models differ, and two of them are asymmetric: Replit's Guest is immutable after invite, and Softr's Collaborators can add but not remove. Base44's group removal is decisive in the other direction, and says so: everyone who had access only through that group loses it, their in-app account is removed, and "This cannot be undone."

Does anything grant a role as a side effect? Base44's collaborator default is the clear case. The general form of the question is whether an action on one screen changes standing on another, and it is worth asking of any product where the two populations share an admin surface.

Do you need groups or just roles? A role attaches to a person. A group attaches to a rule. If your access logic is really "everyone on the Pro plan" or "everyone in the Sales department", a per-person role assignment will drift out of date the first week. Softr's dynamic groups and Base44's Enterprise group sync exist precisely for this, and elsewhere it is your problem.

Verdict, September 2026

There is no crown here, because the two populations split the field cleanly and almost nobody is strong at both.

If you need real permissions for the users of the app you are shipping, the shortlist is short. Softr is the most complete answer in this comparison, with groups that populate themselves, permissions at page, block, action and record level, and an explicit model for anonymous visitors. Base44 is the fastest way to get a working Admin and User split without designing anything, and it scales through the AI chat and, on Enterprise, through identity provider groups. Everyone else is a build.

If you are building an internal tool for your own team, Lovable's workspace identity reuse is the most interesting design in the set, because it makes the second login disappear entirely and reuses a boundary you already maintain. Read the plan requirement and the anonymous-visitor behaviour before you rely on it.

If your app is customer-facing on Bolt.new, Replit or v0, plan to build authorization yourself. That is not a failing; these products are strongest at generating an application, and a role model is application code. Just do not buy them on the strength of a role-based access bullet, because that bullet is about your colleagues.

If you are choosing Webflow for gated content, the native option is gone as of January 2026 and the vendor recommends third-party membership tooling. Comparisons still listing it as a feature are describing a product that no longer exists.

And whichever you pick, the question to take into the trial is not whether roles exist. It is which door they open.