Lovable vs Bolt vs Base44: Which AI App Builder for Australian SMBs?
A side-by-side comparison of three AI app builders Australian businesses are using to ship MVPs in days. Speed, security, hosting, cost, and where each one fits.
On this page
Veracode's 2025 GenAI Code Security Report found that 45% of AI-generated code introduces security vulnerabilities. Three of the most popular tools in that bucket for Australian small businesses are Lovable, Bolt.new and Base44. Each one can produce a working application in an afternoon. Each one has gaps you would not ship past day one in a traditional dev shop.
We use all three with clients across Perth and nationally. Here is how they actually compare in 2026.
Quick comparison
| Lovable | Bolt.new | Base44 | |
|---|---|---|---|
| Default backend | Supabase (Postgres + Auth) | Bolt-managed (WebContainers) | Bolt-style full-stack |
| Default frontend | React + Tailwind | React, Astro, Svelte, Vite | React + Tailwind |
| Avg security score (independent) | ~56 / 100 | ~66 / 100 | Limited public data |
| Hosting | Lovable infrastructure | Netlify, Cloudflare, Vercel | Base44 infrastructure |
| Code ownership | Yours, exportable to GitHub | Yours, exportable | Yours, exportable |
| AU data residency control | Sydney via Supabase (configurable) | Depends on host (Netlify/Vercel offer AU regions) | US-based by default |
| Best for | Internal tools with auth | Frontend-heavy MVPs and prototypes | Non-technical founders building full-stack |
| Hits a wall when | RLS misconfigured | Real users, real data | Backend complexity grows |
What they have in common
All three start the same way: you describe what you want, the AI builds it, you iterate via more prompts. The output is real code in real frameworks (React, Next.js, Postgres) that an engineer can take into a normal IDE if needed. None of them lock you in at the code level.
They also share the same failure modes. The OWASP Top 10 categories that AI generators consistently miss are broken access control, sensitive data exposure and security misconfiguration. We see all three on every platform. The Office of the Australian Information Commissioner's Notifiable Data Breaches reports show misconfigured access controls as one of the leading causes of breaches in Australia. Vibe-coded apps do not invent new vulnerabilities. They just ship the same old ones faster.
Lovable
Lovable (formerly GPT Engineer) is the most opinionated of the three. It defaults to React + Tailwind on the frontend and Supabase on the back end, which means your auth, database and storage all run on a Postgres-backed BaaS that you can host in Sydney.
Where it shines. Building internal tools that need user accounts, role-based access and a real database. The Supabase pairing means you get authentication out of the box, instant CRUD APIs and Row Level Security as the primary access control layer. For an Australian SMB building a client portal, an internal dashboard or a multi-tenant tool, Lovable gets you 80% there in an afternoon.
Where it bites. Supabase Row Level Security ships disabled by default on new tables. Lovable does not always enable it correctly. The result is apps where the public anon key (which is in the browser) can read or write any table. We see this on roughly half of the Lovable apps we audit. The fix is straightforward but unforgiving if missed.
Read more on our Lovable App Help page or run a free vibe code scan on your Lovable URL.
Bolt.new
Bolt.new is StackBlitz's AI builder. It runs entirely in the browser using WebContainers, supports many frameworks (Next.js, Astro, Svelte, Vite) and deploys to Netlify, Cloudflare or Vercel with one click.
Where it shines. Frontend-heavy applications, prototypes that need to look polished, and projects where you want flexibility on the framework and the host. Bolt's average security score sits around 66 out of 100 on independent scans, which is the best of the three but still below where production apps should be.
Where it bites. Same patterns as Lovable: missing rate limits, hardcoded secrets, broken authentication on backend endpoints. Bolt does not pair with a default backend, so the responsibility for getting the auth, database and access controls right lands entirely on the prompt. Many Bolt projects ship with a Supabase or Firebase backend wired up by the AI, which means the same RLS-or-equivalent question applies.
Read more on our Bolt.new Help page.
Base44
Base44 is the newest of the three. It generates a full-stack app from natural language with all the layers (frontend, backend, database) handled by Base44's own infrastructure. The pitch is removing every last technical decision from the user.
Where it shines. Non-technical founders who want a working app and do not want to think about hosting, databases or deployments. The all-in-one approach is genuinely the lowest barrier of the three.
Where it bites. Less control over the underlying stack and less visibility into what is actually running. For Australian businesses with data residency obligations under the Privacy Act, Base44's default US hosting is a friction point. Independent security data is also thinner than Lovable or Bolt because the platform is newer.
Read more on our Base44 Help page.
Which one for an Australian SMB?
The honest answer depends on the project, not the tool.
- Internal tool with users, auth and a real database: Lovable, with RLS verified before launch.
- Customer-facing prototype, marketing site, frontend-led MVP: Bolt.new, deployed to a Sydney-region host.
- Non-technical founder, simple full-stack idea, willing to accept US hosting: Base44.
What matters more than the platform choice is the layer between prototype and production. A Lovable app with disabled RLS, hardcoded API keys and no rate limits is not a Lovable problem. It is a process problem. Run an independent code review before any AI-built app touches real users or real data.
What we do
VibeZero is the vibe coding agency for Australian SMBs. We build with all three platforms when they fit the project. We also audit and fix the apps clients have already built, and offer a free human-reviewed security check if you want a second opinion on something you shipped.
If you are at the start of an AI build and want a vendor-neutral view of which tool fits your case, we offer an AI Readiness Audit that maps your requirements against the platforms and produces a sequenced plan. No reseller margin on any platform, no vendor bias.