When migrating makes sense
Moving pays off once the app becomes business-critical: customers ask for data processing agreements, complex business rules are painful to express through prompts, or you need integrations the platform does not offer. For early prototypes and internal experiments, Base44 often remains the faster choice.
Start with an honest inventory. Which parts are just interface, and which are data model, permissions and automations? That split determines both the effort and the risk of the migration.
Running costs and lock-in matter too. Platform pricing follows usage and feature tiers, while on your own infrastructure you choose every component and can swap it out later. Security requirements from ISO audits or customer questionnaires are also easier to evidence when you control the hosting.
How the migration runs
We migrate in stages so your current app keeps serving users until the switchover. Our AI code engineers use Claude Code and Codex for the rebuild, kept in check by tests and code review, so the pace stays high and the quality stays verifiable.
- We document the entities, relationships, roles, automations and external services of your Base44 app.
- Together we pick the target stack, often React or Next.js with Supabase or PostgreSQL on EU hosting.
- The frontend is carried over where code export allows, or rebuilt in a structured way with coding agents.
- Data is moved by script and reconciled against the source before user accounts are migrated and existing users are invited to reset their password.
- After a short period of running both apps in parallel, we switch domain and DNS and retire the old app.
Bigger projects and the route to the app stores
If the migration grows into a larger software project, for example with ERP integrations or public sector requirements, OnlineAppCreator, the B2B and B2G agency of jocapps GmbH, can take over custom development.
If the new web app should also ship on iOS and Android, WebViewGold is a quick route: it wraps the app's URL in a native shell with push notifications, camera uploads and biometrics. Your newly won control over the code turns straight into an app store launch.
Frequently asked questions
Can't I just export the code from Base44?
Depending on your plan and project, frontend code can be exported. The database, authentication and server-side functions, however, run on the Base44 platform and have to be rebuilt on the target infrastructure. We account for this during the inventory.
Will my users have to sign up again?
Usually not. We transfer user profiles and invite existing users to reset their password or sign in with a magic link. Passwords themselves generally cannot be carried over for security reasons.
How long does the old app keep running?
Until the new version has been tested and signed off. We recommend a short parallel run with data reconciliation before switching the domain.