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Bubble app needs a developer: what to fix first and when to move on

5 min read

On this page
  1. Signs your Bubble app needs outside help
  2. Six areas to diagnose
  3. Fix, rebuild in Bubble, or migrate?
  4. What a rescue developer will typically check first
  5. Find someone to take it on

Bubble lets founders build real, working web apps without writing code, and many businesses run on it successfully. The trouble usually starts later: pages that took a second now take ten, the workload bill keeps climbing, a plugin stops working after an update, or the person who built the app is no longer around and nobody else understands it. At that point you need someone who knows Bubble well. This page helps you work out what is wrong and whether to fix the app or plan a move.

Signs your Bubble app needs outside help

  • Pages or repeating groups load slowly, especially for users with lots of data.
  • Workload unit usage is high or rising faster than your user numbers.
  • You are not sure what data each type of user can see.
  • An API connection or plugin fails, and the error makes no sense to you.
  • The layout breaks on phones or on wide screens.
  • Every small change seems to break something elsewhere.

Each of these points to one of six areas below.

Six areas to diagnose

Workload units and performance

Bubble charges for server work in workload units (WU). Searches, workflows, API calls and file handling all use them. The Logs tab has workload metrics that break usage down by page, workflow and action type. Open it and look at what sits at the top.

Common culprits include searches that pull a large list and then use :filtered (which processes items one by one instead of letting the database do it), "Do a search for" placed inside repeating group cells, recursive backend workflows that run more often than needed, and recurring events that process every record every time. Fixing these is often the single biggest improvement to both speed and cost.

Privacy rules

Privacy rules, found in the Data tab under Privacy, decide what each user can see for each data type. Without them, a page can be sending data to the browser that your design never shows. Someone who knows where to look can read it. Check every data type that holds personal, financial or business information, and make sure the "everyone else" rule shows as little as possible. Pay special attention to the option that controls whether a type can be found in searches.

The API Connector

Most Bubble apps talk to outside services through the API Connector. Problems tend to come from calls that were initialised once with test data and never updated, responses that changed shape after the other service updated its API, and keys that were not marked as private. Any key or header that should stay secret must be set as private so it is not exposed to the browser. If a key was not private, rotate it with the provider.

Plugins

Third-party plugins save time but add risk. Some stop being maintained, some break after a Bubble update, and some load heavy scripts on every page. Open the Plugins tab and note which plugins are installed, which are actually used, who makes them, and when each was last updated. Removing unused ones is a quick win. Replacing an abandoned plugin that the app depends on is usually a job for a developer.

The responsive engine

Bubble's current responsive engine uses rows, columns and alignment rules similar to modern web layouts. Older apps may still have pages built on the legacy engine, or pages that were converted automatically and then patched by hand. Mixed approaches are a frequent cause of layouts that look right on one screen size and break on others. A developer will normally rebuild the worst pages properly rather than adjusting them pixel by pixel.

Database structure

Bubble's database is flexible, which makes it easy to create structures that slow down as data grows. Watch for long lists stored as a field on a single record (for example, every order stored on the user), data types that duplicate each other, text fields used where an option set would be cleaner, and missing links between types that force slow searches. Restructuring data is one of the more involved rescue tasks, because existing records need careful migration.

Fix, rebuild in Bubble, or migrate?

There is no single answer, but a few questions help:

  • Is the problem localised? Slow pages, leaky privacy rules and broken plugins are usually fixable inside the existing app.
  • Is the data model fundamentally wrong? A partial rebuild inside Bubble, with careful data migration, is often cheaper than leaving.
  • Do you need things Bubble does not do well for you? That might be heavy data processing, specific compliance needs, offline mobile use, or owning the source code for investors or buyers. Then a migration may be worth planning.
  • What does it cost to stay? Compare your expected workload costs at future usage against the one-off cost of a rebuild.

Migration is a rebuild, not a conversion. The upside is that your Bubble app is a complete, clickable specification. The guide on whether to fix or rebuild Bubble and FlutterFlow apps goes through this decision in more depth, and the rescue effort estimator gives a rough effort band to start the conversation.

What a rescue developer will typically check first

An experienced Bubble developer will usually:

  1. Open the workload metrics and the server logs to see where usage and errors concentrate.
  2. Review privacy rules for every data type, then test them while logged in as an ordinary user.
  3. List plugins and API Connector calls, checking which keys are private.
  4. Look at the data types and the biggest searches to judge whether the structure will scale.
  5. Check the deployment setup: whether changes go through the development version before live, and whether savepoints or branches are being used.

They will ask to be added as a collaborator in your app settings. Before anyone starts, it helps to write down which accounts, plugins and outside services the app relies on. The handover checklist generator and the guide on handing over an unfinished project make that quicker.

Find someone to take it on

If your Bubble app needs work you cannot do yourself, post a takeover on TakeoverWork. It is free. Say what the app does, roughly how many users and records it has, which of the areas above are causing trouble, and whether you are open to migration. Do not include login details or API keys. If the app was half-finished when the original builder left, the page on finishing a half-built app covers the wider handover.

TakeoverWork puts project owners in touch with developers and agencies who take on started projects. It does not check or employ anyone and does not handle payments, so agree the scope and price directly with the person you choose.

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Frequently asked questions

Can I export my Bubble app's code and host it elsewhere?

No. Bubble lets you export your data, but the app itself only runs on Bubble. Moving away means rebuilding the app on another stack, using your Bubble app as the working specification.

Why is my Bubble bill going up when user numbers are flat?

Bubble measures server work in workload units, and inefficient searches, frequent recurring workflows or repeated API calls can use far more than the number of users suggests. The workload metrics in the Logs tab show which pages, workflows and searches account for the usage.

Are my privacy rules set correctly if nobody has complained?

Not necessarily. Data with no privacy rules can be readable by any visitor, even if your pages never display it, because Bubble sends search results to the browser. Test it by logging in as an ordinary user and checking what data comes back, or ask a developer to audit the rules.

How do I give a Bubble developer access safely?

Add them as a collaborator in the app's Settings, under Collaboration, with the permission level they need. Avoid sharing your own Bubble login, and remove their access when the work ends.

Is a Bubble specialist different from a general web developer?

Usually, yes. Bubble has its own data model, workflow engine and performance rules, so experience with Bubble specifically saves a lot of time. For a migration, you want someone who knows Bubble well enough to read the existing app and also knows the target stack.

Stuck with a half-built app?

Post your project free. Developers who finish and rescue projects can send you an interest note, and you decide who to talk to. You agree scope and payment directly with them.

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