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Bolt (StackBlitz) vs Base44
A plain-English comparison to help you choose between them.
Bolt and Base44 are both prompt-to-app builders, but ship-it versus learn-it is the split, and the honest question is who will touch the result afterwards. Pick Bolt when you want the code visible and editable as you build: a real runtime in the browser, a terminal when you want it, framework choice, and output a developer can harden for production. Pick Base44 when the goal is a running product and nobody wants to meet the code: the database, authentication, storage and hosting are bundled, and editing stays visual after the first prompt. Builders who will grow into the code choose Bolt; builders who never want to are exactly who Base44 is for.
Side by side
- Summary
Bolt builds, runs and deploys full-stack web apps from a prompt, entirely in the browser: the agent generates the project, a real runtime executes it instantly, and the live preview updates as you talk.
- Best for
- Full-stack web apps generated and running in the browser
- Live preview that updates as you iterate by prompt
- Modern JavaScript frameworks scaffolded from a description
- Cost
- Freemium (Free tier + paid plans)
- Ease
- Openness
- Hosted service
- Data
- Projects run in-browser on StackBlitz infrastructure; exported code is yours to take anywhere.
- Summary
Base44 is an AI app builder that generates full-stack applications from plain-language prompts.
- Best for
- Non-technical builders who never want to meet a backend
- Full-stack apps generated from plain-language prompts
- Built-in database, authentication, file storage and hosting
- Cost
- Freemium (Free tier + paid plans)
- Ease
- Openness
- Hosted service
- Data
- The backend, authentication, data and business logic live on Base44's servers behind its SDK, and export is frontend-only, with ZIP or GitHub export itself a paid-tier feature. Treat the platform as where the application and its data live, and weigh that against any obligation to hold data elsewhere. Base44 has been acquired by Wix.
By area
Where each one pulls ahead, area by area.
| Area | Pick Bolt (StackBlitz) when | Pick Base44 when |
|---|---|---|
| Product management | the team wants the underlying code and is comfortable in a developer workflow | Base44 needs no technical literacy to reach a running product |
| Coding & software development | the team wants that environment and the underlying code | Base44 hides the developer environment entirely |
Common questions
Which gets a non-technical builder to a working app faster?
Base44, and by design: it assumes no technical literacy, bundles the backend and hosting, and never shows you a repository. Bolt is also prompt-driven and beginner-friendly at the start, but its value assumes you will eventually read or edit the code it writes. If the finish line is an app your team uses, not a codebase you own, Base44 is the shorter path.
Can either produce something production-ready?
Neither is production-safe unaided, but they fail differently. Bolt outputs real code with known gaps in validation, session handling and secret management, so a developer hardens it before customers touch it. Base44 hosts and runs the app for you, but the backend stays behind its SDK on its servers, so production-readiness becomes a question of platform trust and lock-in rather than code review.
What does each cost beyond the free tier?
Both are freemium. Bolt's free tier covers trials, and its paid tiers meter usage by tokens, so heavy iteration is what raises the bill. Base44 sells flat tiers from $16 per month on annual billing, with higher tiers unlocking export and model switching. A prototyping burst is cheap on either; a long-lived product favours Base44's predictable tiers unless a developer takes Bolt's code and self-hosts.
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Tool facts last checked July 2026