
As AI tools become more capable and accessible, businesses exploring app development are increasingly asking: should we explore an AI-assisted prototype as a low-cost entry point, or invest in a fully custom, scalable solution right from the start?
AI-assisted development is not yet a standard step in app development, but it’s gaining traction as a cost-effective alternative for early-stage exploration. Known as vibe coding, this approach uses AI-powered tools to quickly turn natural language prompts into functional software. For businesses looking to test the waters before committing significant resources, it offers the potential for a faster, more accessible way to get started.
But how does vibe coding compare to traditional, custom development? What are the trade-offs? And how do you know which is the better option for your project?
In this article, we take a closer look at both development paths to help you make a more informed choice.
What Is Vibe Coding?
Vibe coding, a term coined by Andrej Karpathy, refers to the use of AI-assisted tools to rapidly prototype app ideas. Instead of coding each feature manually, teams describe the intended functionality using natural language or simple inputs. The AI then assembles app components or writes code to bring that idea to life.
While still an emerging practice, vibe coding is gaining popularity due to its ability to simplify and speed up early-stage development.
When and why it works:
Tight budgets
Vibe coding allows teams to experiment with an idea without needing a large initial investment. This is especially useful for startups or internal innovation projects.
Speed over polish
When the priority is getting something in users’ hands quickly, AI-assisted tools can help build a prototype in days rather than weeks.
Investor or stakeholder presentations
A rough, functioning demo can be more persuasive than wireframes or pitch decks alone.
Idea validation
If you’re unsure whether your concept resonates with users, a fast, low-cost prototype allows you to test early and pivot if needed.
Where it falls short:
Scalability
AI-generated prototypes often have limitations that make them unsuitable for growth. Many can’t support increased user loads or complex workflows.
Code quality and maintainability
The speed and automation of AI often come at the cost of clean architecture. Bugs, inefficiencies, and technical debt are common.
Finishing complexity
The last 20% of development can be the most difficult to complete. Many apps that feel “80% done” in a vibe coding environment still need to be exported and finished manually, often requiring significant developer input to reach production standards.
Throwaway factor
In many cases, the prototype must be rebuilt from scratch to become production-ready. This means the initial work doesn’t carry over directly, though the learnings do.
In summary
Vibe coding is well-suited to idea validation, low-budget experimentation, and quick demos. It’s not typically used for long-term production apps but can be a valuable first step.
What Does Custom Development Involve?
Custom development is the more traditional approach to building apps. A team of developers writes bespoke code to meet your specific requirements. Every component – from the database structure to the user interface – is designed with scalability, performance, and future growth in mind.
When and why it works:
You’re building for the long term
If your app needs to grow, evolve, and support a wide range of use cases, custom development is the most reliable path.
Complex functionality or integrations
Whether it’s connecting with third-party systems, using advanced data logic, or implementing bespoke user flows, custom development allows for far more flexibility.
You want complete ownership and control
With a custom build, you own the IP and are not dependent on the limitations or pricing models of other platforms.
Security and compliance
Industries such as healthcare, finance, or government often require higher levels of data security and regulatory compliance. These are easier to implement and audit in custom-built solutions.
Considerations and challenges:
Higher upfront investment
Custom builds take longer and require a dedicated development team, making them more expensive at the start.
Slower to launch
Planning, designing, and building a high-quality app from scratch can take upwards of 3-6 months. If you’re working against a tight deadline, this may be a barrier.
In summary
Custom development is ideal for mature businesses or validated products that require scalability, security, and flexibility. It comes with higher costs and longer timelines initially to first release but offers better long-term stability.
Comparing the Two Approaches
Now that we’ve covered the core use cases for each approach, let’s look at how they compare across key decision-making criteria:
Budget
Vibe Coding: Low-cost entry point; ideal for prototyping on a lean budget but often comes with high ongoing maintenance/iteration costs, particularly if doing so by hand.
Custom Development: Higher upfront costs, but better suited for long-term ROI.
Time to Launch
Vibe Coding: Days or weeks to get a prototype live.
Custom Development: Typically several months to build and test thoroughly.
Technical Requirements
Vibe Coding: Suitable for standard workflows and generic interfaces.
Custom Development: Best for apps that involve complex logic, integrations, or non-standard features.
Long-Term Viability
Vibe Coding: May need to be rebuilt later; not usually suitable for long-term growth.
Custom Development: Built to evolve and scale with the business.
Team Expertise
Vibe Coding: Can be used by non-technical founders or small teams.
Custom Development: Requires experienced developers or a trusted partner.
Product Stage
Vibe Coding: Ideal for idea validation or early-stage exploration.
Custom Development: Suitable for validated concepts or businesses with clear product-market fit.
Final Takeaways
Choosing between vibe coding and custom development isn’t about declaring a winner—it’s about understanding which approach aligns with your current priorities and future ambitions.
- If your focus is speed, early feedback, or budget-conscious validation, vibe coding offers a low-friction path to testing ideas in the real world.
- If your app needs to support scale, performance, and long-term iteration, custom development provides the solid, future-ready foundation required for sustainable growth.
In some cases, a hybrid strategy works best: start fast with an AI-assisted prototype, gain clarity and traction, then invest in a tailored build designed for the long haul.
Ultimately, understanding the strengths and limitations of both paths empowers you to make strategic, confident decisions. Whether you’re testing an idea or preparing for a national launch, your development approach should evolve with your product.
Every successful app starts with a clear strategy. Choose the right development path early, and you’re not just launching an app—you’re building a product with the foundation to thrive.
DreamWalk is an award-winning Australian app development company. We pride ourselves on our ethical and transparent app development process and operate by our unique Ethical App Development Charter. To learn more about us and the work we do, head to www.dreamwalk.com.au.

About the Author
Karl Graf is an award-winning app designer and Managing Director of DreamWalk. Karl has helped hundreds of businesses and startups plan, design, develop and launch successful apps.
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