---
title: "How much does it cost to finish a vibe-coded MVP?"
description: "Estimate the remaining work in an AI-built MVP using workflow gaps, integrations, review, deployment, and maintenance instead of an unsupported flat price."
image: "https://foundrysoft.co/images/blog-cards/cost-to-finish-vibe-coded-mvp.png"
url: "https://foundrysoft.co/blog/cost-to-finish-vibe-coded-mvp"
---

Business // Vibe Coding 2026-10-16 3 min read

# How much does it cost to finish a vibe-coded MVP?

Estimate the remaining work in an AI-built MVP using workflow gaps, integrations, review, deployment, and maintenance instead of an unsupported flat price.

![Varun Raj Manoharan](https://foundrysoft.co/images/about/founder.webp)

Varun Raj Manoharan Founder & Principal Engineer

Vibe Coding AI Coding Agents AI ROI MVP Development

## Key takeaways

-   Estimate the remaining business workflow, not the number of generated screens.
-   Keep fixes, missing features, migration, and ongoing costs separate.
-   Use a review to turn unknowns into a comparable scope.

## In this article

1.  01 [Which work remains after the prototype?](#which-work-remains-after-the-prototype)
2.  02 [How can I compare proposals?](#how-can-i-compare-proposals)
3.  03 [What does a useful estimate calculation look like?](#what-does-a-useful-estimate-calculation-look-like)
4.  04 [What should we avoid paying for prematurely?](#what-should-we-avoid-paying-for-prematurely)
5.  05 [Turn the prototype into a priced scope](#turn-the-prototype-into-a-priced-scope)
6.  06 [Frequently asked questions](#frequently-asked-questions)

The cost of finishing a vibe-coded MVP depends on what already works and what the intended release still requires. Review the core journey, access rules, data, integrations, deployment, and handover before estimating. A flat price based only on screenshots leaves the most expensive uncertainties unresolved.

Publishing can involve requirements beyond a development preview. [Replit's publishing documentation](https://docs.replit.com/learn/projects-and-artifacts/replit-deployments), for example, distinguishes the published application and its operating setup. Whatever platform you use, include that setup in the scope you ask suppliers to price.

## Which work remains after the prototype?

Separate four categories: defects in existing behaviour, missing release features, changes to the architecture or platform, and operating preparation. Those categories have different assumptions and should not disappear into one line called "make it production-ready."

For an illustrative customer portal, the interface may be largely complete while invitations, permissions, file access, and notifications still require work. Counting completed screens would overstate how close that app is to a usable release.

Ask the reviewer to demonstrate the important workflow and identify where it stops. That gives the estimate a concrete starting point.

## How can I compare proposals?

| Cost area | What the proposal should explain |
| --- | --- |
| Initial review | Access, systems examined, and deliverables |
| Implementation | Features and fixes included in the release |
| Integrations | External systems, credentials, and failure handling |
| Verification | Acceptance cases and release checks |
| Handover | Repository, setup, and operating documentation |
| Ongoing operation | Hosting, usage charges, support, and maintenance |

Have each supplier price the same intended outcome. If a quotation excludes data migration or support, record that explicitly before comparing totals.

## What does a useful estimate calculation look like?

As an illustration, suppose a review identifies 30 hours of feature work, 12 hours of integration changes, and 18 hours of verification and release work. That is 60 estimated hours. At an assumed rate of ₹2,000 per hour, the calculation gives ₹120,000 before any separately agreed charges.

Those figures are invented to show the method, not a FoundrySoft quote or a market benchmark. The important point is that changing the integration assumption changes the estimate. A supplier should explain uncertainty and how additional work will be authorized.

Include your own team's time for decisions, test data, and acceptance review. The development invoice is not the entire cost of delivering the project.

## What should we avoid paying for prematurely?

Do not buy a large feature expansion before establishing whether the existing workflow can be supported. Equally, do not remove necessary review and recovery work merely to reach a smaller headline price.

Agree a narrow first scope when uncertainty is high. A review with concrete findings may provide a better next decision than committing immediately to a fixed-price completion project based on incomplete information.

Separate running costs from build costs. An app can be inexpensive to launch but costly to operate if every task triggers several paid services or needs extensive human correction. Model representative monthly usage and identify who monitors it.

## Turn the prototype into a priced scope

Share the current app and the smallest release your users need. [Discuss a scoped MVP completion project](https://foundrysoft.co/services/vibe-coded-mvp-development) to identify the remaining work, acceptance criteria, and assumptions behind an estimate.

## Frequently asked questions

**Can you quote from a demo video?**

A video can explain the goal and visible behaviour, but a reliable completion scope may require repository, configuration, and integration review. Ask what assumptions a video-only estimate relies on.

**Is AI-assisted development always cheaper?**

No universal saving follows from using an agent. Implementation may be faster in some areas while review, integration, data preparation, and maintenance still require time.

**Should maintenance be included in the build quote?**

It should be addressed clearly, whether included or priced separately. Record coverage, responsibilities, operating costs, and how new features differ from defect fixes.

Interactive Engineering Calculators Free Tools

### Estimate your project cost, token budget, and automation ROI

We built free, production-calibrated tools to help engineering leaders forecast token consumption, compare build vs buy scenarios, and audit code security.

[Automation ROI Calculator →](https://foundrysoft.co/tools/automation-roi) [Project Cost Estimator →](https://foundrysoft.co/tools/project-cost-estimator) [Build vs Buy Calculator →](https://foundrysoft.co/tools/build-vs-buy) [Security Code Audit →](https://foundrysoft.co/tools/code-audit)

#### Work with us on this

[Vibe-coded MVPs

Build a focused first version of your product with AI-assisted development, engineering review, and a clear release scope.

](https://foundrysoft.co/services/vibe-coded-mvp-development)[Vibe code to production

Review an AI-built prototype, fix the important gaps, and prepare a release your team can maintain.

](https://foundrysoft.co/services/vibe-coded-app-production)[PoC Software Development Services

Proof of concept development that answers one technical question in weeks, with a defined kill criterion. Built to prove feasibility, not to become your production system.

](https://foundrysoft.co/services/poc-development)

#### Related reading

[How do I choose an agency to build or fix a vibe-coded app?

Compare vibe-coding agencies by their review process, defined scope, evidence, account ownership, handover, and ongoing support instead of demo speed alone.

Vibe Coding AI Coding Agents Vendor Evaluation

](https://foundrysoft.co/blog/choose-vibe-coding-development-agency)[How do I make a vibe-coded app usable on mobile and accessible?

Review mobile layouts, form labels, keyboard access, focus, errors, and motion in an AI-built app using real journeys instead of screenshots alone.

Vibe Coding AI Coding Agents Accessibility

](https://foundrysoft.co/blog/vibe-coded-app-mobile-accessibility)[Can prompt injection compromise my vibe-coded AI business app?

Understand prompt injection in AI-powered business apps and review the data, tools, credentials, and approval boundaries around the model.

Vibe Coding AI Coding Agents AI Security

](https://foundrysoft.co/blog/prompt-injection-vibe-coded-ai-business-app)

#### Next Article

[

Should I rebuild my Lovable, Replit, or Bolt app before launching it?

](https://foundrysoft.co/blog/rebuild-or-fix-lovable-replit-bolt-app)

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