How Much Does It Cost to Fix a Vibe-Coded App?

You built your app with Lovable, Bolt, Replit or Cursor. It works in the demo, but now it needs to handle real users, real payments and real data. The question every founder asks next: how much will it cost to make this production-ready?

Quick answer: an audit usually costs $2,500 to $6,000. Urgent security fixes run $500 to $3,000. Stabilizing a small app costs $5,000 to $20,000, a substantial refactor $20,000 to $50,000, and a rebuild from $30,000 for a simple SaaS to $150,000 or more for complex platforms. The audit tells you which bucket you are in.

Cost by stage

Ranges are approximate and based on published rescue pricing, such as Rocking Tech's breakdown (converted from GBP and rounded) and Wavect's audit timelines. Your quote depends on what the audit finds.

A surprising number

According to figures cited by Rocking Tech, rebuilding a multi-tenant SaaS from a Lovable prototype can cost $30,000 to $60,000, while building it correctly from scratch would cost $15,000 to $35,000. The lesson: the longer you keep stacking features on a fragile base, the more the fix costs.

What makes the price go up

• Multiple customers in one app (multi-tenancy): separating data between accounts is one of the most common and expensive fixes.
• Payments and subscriptions: retries, refunds, failed cards and webhooks need careful handling.
• Sensitive or regulated data: health (HIPAA), financial or personal data need extra security work and testing.
• Integrations: every external API adds edge cases.
• Number of active users: live users mean fixes must happen without downtime or data loss.
• No version history: if the code is not in Git, the first step is getting control of it.

What makes it cheaper

• the data model is reasonable and only the code is messy;
• the code is already in GitHub with a clear history;
• you know which features matter and which can be cut;
• you fix early, before more features pile on.

Who you hire changes the price too

How to keep the cost under control

1. Start with a fixed-price audit, not an open-ended contract.
2. Fix critical security issues first, even if you rebuild later.
3. Freeze new features until the core is stable.
4. Ask for a fixed price per phase once the audit removes the unknowns.
5. Plan maintenance after the fix; see our maintenance guide for AI-generated apps.

For the full rescue process, read vibe code rescue: how to take an AI-built app to production. For the technical side, see how to refactor a vibe-coded app.

FAQ

Is it cheaper to fix or to rebuild?

Fixing is usually cheaper when the data model is sound. Rebuilding wins when the structure is fundamentally wrong, because every fix on a bad base costs more over time.

Why do I need an audit first?

Without it, any quote is a guess. The audit turns unknowns into a scoped plan with a fixed price.

Can I fix it myself with more prompts?

For small issues, sometimes. For security, data separation and payments, you need a developer who can read and test the code.

Will I lose my users or data during the fix?

Not if the work is planned well. A good team fixes in stages, with backups and testing before each release.

Conclusion

Fixing a vibe-coded app is almost always cheaper than letting it break in front of customers. Start with an audit, fix security first, and decide between refactor and rebuild with real data, not guesses.