Article · May 29, 2023
Why one should choose Bubble.io?
An honest practitioner take on Bubble.io in 2026: what it does well, when Lovable or Cursor beats it, the workload-units pricing reality, and how I decide on client work.
When a client asks me “should we build it in Bubble.io?” in 2026, my answer is more conditional than it would have been three years ago. Bubble is still the best no-code platform for production multi-user apps, but the AI-coding tools have eaten the simple-MVP category Bubble used to own. Here is the actual decision matrix I use on client work, what Bubble does well in 2026, what it doesn’t, and the tradeoffs that matter.
What’s changed in Bubble.io since 2023
A few platform shifts move the build/buy/Bubble decision:
- Native mobile builder went into public beta in mid-2025 and got dedicated mobile pricing in October 2025. Real native iOS and Android, deployed to the App Store and Google Play from the same project as your web app. Deep links, third-party plugin parity, and a few edge-case animations are still maturing, but the trajectory is clear: Bubble is now a web + mobile platform, not a web platform with a wrapper.
- AI App Generator ships a working V1 from a text prompt. Frontend UI, a backend database with privacy rules and seeded sample data, workflows wired up. The output is still Bubble (visual workflows, no exported code), but the cold-start cost of a new project dropped from a weekend to an evening.
- Project-based structure unifies web and mobile under one backend. One database, one set of workflows, two frontends. Removes the duplicate-work tax that used to make multi-platform builds painful.
What hasn’t changed in the same window is the rest. The editor still has a learning curve measured in weeks for a first real project. No code export. The workload-units pricing model, which is not new but is now the default rather than an opt-in.
When Bubble.io is the right call in 2026
I default to Bubble.io when at least one of these is true:
- The app is a real multi-user product with non-trivial permissions. Marketplaces, CRMs, SaaS with role-based access, B2B tools where customers have admin and end-user tiers. Bubble’s Privacy Rules are battle-tested, the visual workflow editor maps 1:1 to backend logic, and the data model handles relational integrity better than any of the AI code generators do on a first pass.
- The database schema is going to change weekly for the first six months. Bubble lets you add a field or change a type in seconds, no migration file to write, no migration to run, no deploy. On the Lovable + Supabase stack the same change is a migration file plus a deploy plus a chance to break the build. On one client project last quarter I added 14 fields across 6 tables during a Friday review call; same change set on Supabase would have been Monday’s work.
- The client is non-technical and wants to own the editor. Bubble’s visual model gives a non-developer a real chance of making post-launch changes without me. Lovable’s chat-to-code model is faster for me but harder for a non-developer to maintain six months later when they can’t get the AI to stop rewriting the wrong file.
- You need both web and mobile from the same backend. The project-based structure means one database, one workflow library, two deployment targets. The equivalent on a code-first stack is two repos, two CI pipelines, and a shared API.
- The integration surface is APIs, not SDKs. Bubble’s API Connector handles REST, OAuth 2, webhooks, and most authentication patterns out of the box. Stripe, HubSpot, Salesforce, Postmark, OpenAI, Anthropic, Perplexity all integrate cleanly via the Connector.
When it isn’t
The honest counterpoint: in 2026, several categories that used to be Bubble’s home turf are better served elsewhere.
- Single-page SaaS MVPs you’ll iterate on for the first month and then mostly leave alone. Lovable produces a React + TypeScript codebase from a prompt in minutes, you can host it on Vercel for free, and if you outgrow Lovable you walk away with standard code. I reach for Lovable here before Bubble.
- A landing page or marketing site. Astro, Next.js, or Framer beats Bubble on Core Web Vitals, hosting cost, and content collaboration. Bubble can do it; nothing about Bubble was designed for it.
- Anything that needs to run inside an existing codebase. A widget you embed in a third-party SaaS, a Chrome extension, a CLI tool. Bubble is a platform, not a library; it does not show up here.
- A project where the founder will hand the codebase to a hired developer within six months. Bubble has no code export. The developer either learns Bubble (a real time investment) or rebuilds. Cursor + a typed framework hands the next person an asset they can extend.
- Heavy custom UI animation work that needs to feel like a native app. Bubble’s responsive engine handles most things but you will hit the wall on anything that requires per-frame motion control. Native code (or a code-first stack with Framer Motion) handles this without fighting the editor.
Security in production
Bubble carries SOC 2 Type II certification at the platform level and offers a GDPR-compliant Data Processing Agreement. Cloudflare sits in front, encryption is in place at rest and in transit, and Enterprise plans can assign a static IP for allowlisting at the partner end. What Bubble does not carry: HIPAA compliance. If you’re handling PHI, this is a stop-line and you should be looking at a different stack.
Platform certifications don’t make your app compliant. App-level security is yours to own, and the failure modes I see repeatedly on client audits:
- Privacy rules that match on empty fields. A rule like “this Thing’s
salesforceis the current user’ssalesforce” returns true when both fields are empty, exposing rows that should be private. The fix is to AND every rule with a “field is not empty” check. - Backend workflows exposed as endpoints without auth. A backend workflow with “Expose as a public API workflow” checked and no authentication is open to anyone who can guess the workflow name. I’ve found three of these on inherited apps in the last year.
- Privacy rules tested only as admin. Admin sees everything, so the test passes. Switch to a low-privilege test user and re-walk the same flows before launch.
- Plugin trust by default. Every plugin you install runs with the same data access as the rest of the app. Audit the plugin’s data scope before adopting it; one popular CSV-export plugin exfiltrates data via its own backend if you don’t restrict it.
The free tier of automated security scanning that ships on every paid Bubble plan (Flusk) catches most of the obvious misconfigurations on its own. Run it before launch. Run it again after every plugin install.
Honest read for the decision: if your compliance bar is SOC 2 + GDPR, Bubble is fine. If it’s HIPAA, PCI-DSS Level 1, FedRAMP, or anything healthcare or government, choose a stack you can attest to end-to-end.
Scalability ceilings
The honest framing for 2026: Bubble.io scales to tens of thousands of concurrent users on the right plan if the app is architected well. It does not scale to “next Notion at 1 million daily active users.” If your TAM is in the hundreds of thousands of seats, build for migration from year one.
The real bottlenecks I hit aren’t user count, they’re workload patterns. Three places things break before you’d expect:
- Backend workflows that loop without batching. Process 10,000 records with a “Schedule on a List” workflow and you’ll hit either the 5-minute timeout (per workflow run) or scheduler queue congestion (if you fan out too aggressively). The fix is a recursive workflow that processes N records, schedules itself for N+1, and exits cleanly.
- Searches without constraints on big tables. “Search for Orders” without a date range or status filter loads every order before constraining. On a 200,000-row Orders table this can hit a 30-second response on the front end. Constraints first, sort second, paginate always.
- Capacity-plan saturation under spike load. Lower plans don’t auto-scale. If your launch tweet hits at 9am and your plan tops out at 1 unit of capacity, the app stalls. Higher plans auto-scale; lower plans require you to manually bump capacity around traffic spikes.
I’ve seen a B2B SaaS at 8,000 monthly active users running comfortably on a Growth plan with disciplined query patterns. I’ve also seen a consumer app crater at 800 concurrent users because of one unindexed search. The ceiling is real but it’s much higher than the Bubble haters suggest, and much lower than the Bubble cheerleaders claim.
API connectivity
This is one of Bubble’s actual strengths. The API Connector handles REST endpoints, OAuth 2 (User-Agent flow and Client Credentials), webhooks, custom headers, request signing, and most authentication patterns out of the box. In years of client work I’ve integrated Stripe, Stripe Connect, HubSpot, Salesforce (with full OAuth 2 + refresh-token rotation), Postmark, Twilio, OpenAI, Anthropic, Perplexity, and every Zapier-adjacent API without writing JavaScript.
Where Bubble’s connectivity story gets thin:
- GraphQL is supported via raw POST but you lose the niceties (typed schemas, fragment composition, subscription support). Treat GraphQL APIs as bespoke POST endpoints inside the API Connector.
- WebSockets and Server-Sent Events are not first-class. If your integration target streams (LLM token streaming, live collaboration, financial tickers), you’ll be polling or proxying through n8n.
- gRPC is not supported.
- Webhook signature verification has to be implemented by hand (most provider patterns are straightforward, but Bubble won’t do it for you).
- Rate limiting on inbound API endpoints is not built-in. If you expose a backend workflow as a public API, add a per-IP rate-limit check inside the workflow itself or front it with a Cloudflare Worker.
Inbound traffic gets handled the same way: backend workflows marked “Expose as a public API workflow” act as REST endpoints with optional API-key authentication. Good enough for most integrations. Not good enough if your client expects a documented OpenAPI spec; Bubble doesn’t generate one.
Orchestration and the 5-minute wall
Bubble’s orchestration layer is the Scheduler plus backend workflows. It works well for the 80% case and breaks predictably at the edges:
- Hard 5-minute timeout per workflow run. Anything longer fails halfway and rolls back partially. This is the single biggest scalability cliff in Bubble.
- Scheduler queue can congest under spike load. If a thousand “Send order confirmation” workflows fire in the same second, you’ll see scheduled delays of minutes, not milliseconds.
- No native retry-with-backoff. If a downstream API call fails, the workflow fails. You can build retry logic with recursive scheduled workflows, but you own the state machine.
- “Schedule on a List” is fine for batching up to a couple hundred items. Beyond that, write a recursive workflow that processes one chunk and schedules the next.
For anything that exceeds the 5-minute wall (PDF merges at scale, multi-thousand-record migrations, complex ETL), the answer in 2026 is to offload to n8n. I’ve written about this pattern at n8n Cloud’s 60-second execution cap and the dispatcher-worker workaround and Idempotent pipelines with natural-key fingerprints. The handoff is two HTTP calls, the architecture stays simple, and you keep Bubble as the source of truth.
Observability
This is where Bubble.io is weakest relative to a code-first stack. Built-in observability is:
- Logs panel. Shows workflow runs, errors, API calls. Searchable but not indexed; finding the one failed run in 50,000 successful ones is slow.
- Per-record activity. Click a database record to see when it was created and modified, by whom. Useful for spot-checks.
- Server logs for paid plans. Includes deeper stack traces for backend failures.
What’s missing compared to a Sentry + Datadog + Honeycomb stack:
- No native distributed tracing. You can’t follow a request through three backend workflows + an external API call as a single trace.
- No alerting on error-rate thresholds. You can build alerts via a scheduled workflow that queries the Logs API and emails on a threshold, but it’s homegrown.
- No frontend error tracking. No equivalent of Sentry’s browser SDK. Client-side JavaScript errors silently fail.
- No APM. No p99 response time tracking, no slow-query log surfaced automatically.
In practice I integrate a third-party APM by piping critical events from backend workflows to Sentry or Logsnag via the API Connector. It works, but it’s bespoke and you’ll forget to instrument the workflow you wish you had instrumented when production breaks at 2am.
Team collaboration and version control
Bubble offers Main, Dev, and named feature branches. You can develop on a feature branch, merge to Dev for integration testing, then promote to Main for deploy. Audit log on paid plans shows who edited what.
Limits to know before scaling a team:
- No git, no diff view, no semantic merge. Two developers editing the same element on different branches will conflict, and the merge UI is “pick which branch wins” rather than “merge the diffs intelligently.”
- Real-time collaboration on the same branch works (multiple developers see each other’s cursors), but two devs editing the same workflow at the same time is a foot-gun.
- No code review. No pull-request flow, no inline comments on changes. Code review happens by screen-sharing and stepping through the diff together.
- Deploys are one-click but rollback is per-branch, not per-commit. If you ship a bad change and need to revert, you’re rolling back to the last “Save point” on Main, not a specific change set.
I’ve run two-developer teams on Bubble apps for months without friction. Four-developer teams need a strict branch-per-feature discipline and a daily merge cadence, or the branches drift and the conflict cost rises non-linearly.
Testing discipline
The testing story on Bubble in 2026 is honestly the weakest part. No native unit test framework, no Vitest, no Jest, no Playwright integration that doesn’t feel like a hack.
What you have:
- The Dev branch with seeded test data. You build features on Dev, click through the flows manually, promote to Main when satisfied. This is the de facto testing pattern.
- Backend workflow testing via Postman or curl. Backend workflows exposed as API endpoints can be tested with standard HTTP tooling, including in CI.
- Plugin-based UI tests (e.g. the “Test Tools” plugin family) attempt to automate click-through scenarios, but they’re brittle and break on minor UI changes.
debug_mode=truein the URL gives you a step-through debugger on the frontend, which is genuinely useful but only works in dev.
If your client expects “the test suite runs on every PR and blocks merge if anything breaks,” Bubble will not deliver that. If manual QA on the Dev branch before promote-to-Live is acceptable (which it is for most B2B SaaS at MVP through early growth stage), Bubble is fine. The honest version of this conversation needs to happen at the beginning of an engagement, not at month four when the client asks why the test coverage metric isn’t moving.
The pricing reality
Bubble priced apps by user count for years. The current model is workload units (WUs): every database query, workflow step, and API call consumes a fixed unit of server work. Plans include a monthly WU allowance:
| Plan (web) | Monthly cost | WUs included |
|---|---|---|
| Starter | $29 | 175,000 |
| Growth | $119 | 250,000 |
| Team | $349 | 500,000 |
(Mobile-only and web+mobile combined plans run higher; combined Starter is around $59/mo billed annually.) Overage above the allowance is metered. This is harder to reason about up front than per-user pricing, but it is more honest: a 100-user app with light usage costs less than a 10-user app with a noisy backend job firing every minute.
A few practitioner notes that matter for cost:
- Optimise the repeating groups first. Loading 5,000 records into a paginated list and discarding 4,950 of them on the client is the most common workload-units leak. Use
:items from #/:items until #with a custom-state cursor; do not load everything. - Audit the backend workflows quarterly. A scheduled workflow that fires every minute on an empty queue still consumes WUs every time it runs. Delete what isn’t earning its keep. (One client had a “send daily digest” workflow firing every five minutes for eight months because someone had set it to debug and forgotten.)
- Cache what you can. Bubble caches inside a session; you can also serialise expensive computations into option sets or static text and pull them as needed.
- Don’t optimise the first month. WU consumption is unpredictable until the app has real traffic. Wait for the first real monthly bill before refactoring; you’ll otherwise micro-optimise the wrong page.
The lock-in question
Bubble has no code export. There is no “eject” button. If you outgrow Bubble or want to switch platforms, you rebuild from scratch.
For the right kind of app (the multi-user platforms in the “right call” list above), this is a non-issue: you would rebuild from scratch on the way out anyway because the data model and workflows are the product. For a single-page MVP that might pivot or get acquired, the lock-in is a real cost. Weigh it before you commit.
The alternative model Lovable and Bolt offer (full code export to GitHub, you own the React/TypeScript) is genuinely useful for the categories where it applies. It is not useful enough to ignore Bubble’s strengths in the categories where Bubble still wins.
How I decide on client work
The actual decision tree:
- Multi-user app with non-trivial permissions, marketplace, CRM, or any database-heavy product? Bubble.io.
- Single-page SaaS that needs to ship in a week, host on Vercel, and have an exit ramp to a hired dev later? Lovable, with Supabase for the backend.
- Feature inside an existing codebase, a Chrome extension, or anything embedded? Cursor or Claude Code, in whatever framework the existing code already uses.
- Marketing site, blog, or landing page? Astro or Framer.
- None of the above fit cleanly? Two questions for the client: “who will edit this in six months, and what’s the worst version of the upgrade path you can stomach?” The answer usually picks the platform.
Bubble.io is still the answer for a meaningful share of my work. It’s not the default answer for everything anymore. Being honest about that is what separates 2026 from 2023.