How much will my project cost?

Cost depends on scope, features, integrations and platform. Use our project estimator for an indicative range, or see our published price guide — for example, a marketing website starts from A$6,000, a web application from A$25,000, and a mobile app from A$30,000. A short scoping call confirms the exact number.

How long does a project take?

Timelines vary by project type: a marketing website typically takes 3–5 weeks, a web application 8–14 weeks, a mobile app 10–20 weeks, and a custom platform or SaaS product 16–28 weeks. We confirm a realistic timeline during the discovery and scoping phase.

Who owns the code and IP?

You do, entirely. All code, documentation and runbooks land in your own repositories at handover. There is no vendor lock-in and no licensing arrangement that restricts your use of what we build.

Who will actually be working on my project?

Senior engineers only. The people who scope your project during discovery are the same people who build it — there is no handover to junior staff after the pitch.

How do you handle communication?

You get a weekly demo and a weekly written update throughout the build, direct access to the delivery channel, and a named point of contact for the duration of the project.

What happens if the project goes wrong?

Every project runs on fixed scope and fixed price, with milestone payments — 40% to begin, 30% at midpoint, and 30% on delivery — so risk is shared rather than front-loaded. Any change to scope goes through an agreed change process before work begins.

Can you work with our existing systems?

Yes — integration is a core part of what we do, connecting to existing CRMs, ERPs, databases and third-party APIs via REST, middleware and webhooks as needed.

Do you sign NDAs and security agreements?

Yes. We sign NDAs and security agreements on request, and every platform we build goes through our own internal security review before go-live.

How much does custom software cost in Australia?

Prices depend on scope: a marketing website runs from A$6,000, a web application or portal from A$25,000, and a custom platform or SaaS product from A$60,000. A Discovery & Scoping Sprint (A$3,500 fixed, 1–2 weeks) produces a written scope and a fixed quote before any build work starts.

How long does a web app take to build?

A typical web application or portal takes 8–14 weeks from the start of the build phase, following a 1–2 week scoping phase. Larger custom platforms can take 16–28 weeks.

Can you rebuild our existing system without losing our data?

Yes. Our modernisation work is built specifically to migrate legacy systems and their underlying business logic and data across to a new platform without losing what's already there.

Do you build native or cross-platform mobile apps?

We build native iOS and Android apps, or cross-platform apps using React Native or Flutter, depending on which approach best fits your budget, timeline and performance requirements.

What happens after launch?

Three months of bug fixes and support are included after launch. An ongoing development retainer (A$5,000–15,000/month) is available afterward for continuous feature development and improvements.

Can you work with our in-house developers?

Yes. We regularly work alongside in-house development teams, integrating with your existing codebase, workflows and tooling rather than working in isolation.

How much does it cost to build an AI agent?

A single AI agent or automated workflow typically costs A$18,000–40,000. A RAG or knowledge-assistant system runs A$25,000–55,000, and a multi-agent production system A$60,000–150,000, depending on complexity and integration requirements.

What is LLMOps and why do we need it?

LLMOps is the operational layer that keeps an AI system reliable in production — evaluation, monitoring, guardrails, versioning and cost control. Without it, AI systems tend to degrade, hallucinate or become unexpectedly expensive after launch.

Can you work with our existing data without sending it to a third party?

Yes. We can build within your data residency and privacy constraints, including infrastructure that must stay in Australia or cannot leave your own environment, using self-hosted models or cloud providers with the appropriate data guarantees.

How do you stop the AI producing wrong answers?

Through the LLMOps layer: automated evaluation suites that catch regressions, output guardrails and filtering, human checkpoints on higher-risk actions, and full observability so you can trace exactly why a system produced a given answer.

Should we fine-tune a model or use RAG?

Most use cases are better served by RAG — retrieving your own data at query time rather than retraining a model. Fine-tuning is worthwhile only in specific cases, and we'll give you honest advice on which applies rather than recommending fine-tuning by default.

What does it cost to run an AI system month to month?

Ongoing costs depend on usage volume and model choice, and are controlled through token budgets, caching and model routing so spend doesn't scale linearly with usage. A managed LLMOps retainer runs A$4,000–12,000/month depending on system complexity.

How much does a penetration test cost in Australia?

Prices start from A$3,000 for an external network test, A$3,500 for an API test, A$4,500 for a web application test, and A$5,000 for a mobile app test. A full-scope assessment across multiple systems runs A$12,000–30,000.

How long does a penetration test take?

Most single-scope tests take 3–8 days. A full-scope assessment across multiple systems typically takes 2–4 weeks, and compliance readiness work 3–5 weeks.

Will testing disrupt our live systems?

All testing is conducted under a signed scope and rules-of-engagement agreement, which defines testing windows and any systems or actions that are off-limits, to minimise the risk of disruption to live services.

Do you provide a letter of attestation for auditors?

Yes. Alongside the executive summary and technical report, we provide a letter of attestation — the document auditors and customers most commonly request as evidence of testing.

How often should we test?

Most compliance frameworks (ISO 27001, SOC 2, PCI DSS) expect annual testing at minimum, plus a retest after any major platform change. All findings are retested free of charge within 60 days of the original engagement.

What does a software development company in Melbourne do?

A software development company in Melbourne designs, builds, integrates and maintains digital products such as custom business software, web applications, mobile apps, APIs and connected systems. DevVibe works with Melbourne businesses and organisations across Australia.

How much does custom software development in Melbourne cost?

Cost depends on features, integrations, users, technical complexity, design, platforms and ongoing development needs. A discovery discussion is the best way to define scope and provide a project-specific estimate.

Why choose custom software instead of an off-the-shelf platform?

Custom software is useful when existing products cannot support your workflows, integrations, data requirements or long-term product goals. A tailored solution can be designed around your processes and expanded as your business grows.

Do you provide iOS and Android app development in Melbourne?

Yes. DevVibe provides iOS development and Android app development as part of its broader custom application development services.

Can you integrate our existing software and APIs?

Yes. We can connect applications and business systems through APIs, middleware, webhooks and integration services, depending on the systems and required data flows.

Do you provide ongoing software development after launch?

Yes. Ongoing development can include new features, integrations, performance improvements, maintenance, bug fixes, technical enhancements and product evolution.

Do you provide software development services outside Melbourne?

Yes. DevVibe is based in Melbourne and provides software development services across Australia, including Sydney, Brisbane, Perth, Adelaide and Canberra.

Can you build web applications as well as mobile apps?

Yes. Services can cover web applications, mobile applications, backend systems, APIs, integrations and supporting infrastructure.

Do you provide business process automation in Melbourne?

Yes. We can automate repetitive workflows by connecting applications, APIs, databases and business systems.

How do I choose the right software development company in Melbourne?

Look for a team that understands your requirements, demonstrates relevant experience, explains its technical approach clearly and can support the product beyond launch.

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