If you have never built custom software before, figuring out how to budget for a software project can feel impossible. The internet says it costs anywhere from $10,000 to $1,000,000. Vendors quote wildly different numbers for the same scope. And nobody tells you about the hidden costs that show up three months in.
We have helped dozens of first time founders and business owners navigate this. Here is what actually matters when setting a realistic budget.
Start With Outcomes, Not Features
The biggest budgeting mistake first time buyers make is starting with a feature list. "We need a dashboard, user profiles, messaging, notifications, analytics, integrations with Salesforce and HubSpot, and an admin panel." That list sounds reasonable until you realize each of those features has 10 sub decisions that affect cost by 2x to 5x.
Instead, start with the outcome. What does this software need to accomplish in the first 6 months? What is the one thing it absolutely must do on day one? That is your MVP, and your MVP is where your budget starts.
A well scoped MVP typically costs $15,000 to $50,000. A production ready product with polish, integrations, and scale is $50,000 to $150,000. Enterprise platforms with compliance, multi tenancy, and complex business logic run $150,000 to $500,000+. For a deeper breakdown by project type, see our full cost guide.
The 60/20/20 Rule
Here is a budgeting framework that works for most first time projects:
60% for initial development. This is the build phase, from design through deployment. It is the number most people fixate on, but it is only part of the picture.
20% for post launch iteration. No software ships perfectly on day one. You will learn things from real users that you could not have predicted. Budget for 2 to 3 months of iteration after launch, fixing usability issues, adding the features users actually request (not the ones you guessed they would want), and optimizing performance under real load.
20% for infrastructure and maintenance. Hosting, monitoring, SSL certificates, third party API subscriptions, ongoing management, and bug fixes. This is the cost most first timers forget entirely, and it never goes to zero. Software is not a one time purchase. It is a living system that needs care.
If your total budget is $60,000, plan to spend roughly $36,000 on the build, $12,000 on iteration, and $12,000 on infrastructure and maintenance for the first year.
Hidden Costs That Blow Budgets
Third party services. Your app will rely on services that charge monthly or per usage. Payment processing (Stripe takes 2.9% + $0.30 per transaction). Email delivery ($20 to $200/month depending on volume). Cloud hosting ($25 to $500/month depending on traffic). Analytics tools. Error monitoring. These add up to $200 to $2,000/month before a single user pays you anything.
Scope creep. The number one budget killer. It starts innocently. "Can we also add..." followed by a feature that sounds small but requires a new database table, a new API endpoint, new UI screens, and new test coverage. Each "small addition" during development adds 5% to 15% to the total cost. Multiply that by 10 additions and your budget just doubled.
The fix: Lock your scope before development starts. Write down exactly what is in version 1 and, just as importantly, what is not. Keep a "version 2" list for everything else. This is not about saying no to good ideas. It is about saying "not yet" so your budget survives first contact with reality.
Testing and QA. First time buyers assume testing is free. It is not. Proper testing, automated tests, device testing for mobile, load testing, security testing, accounts for 15% to 25% of the development budget. Skip it and you will pay more later fixing production bugs with angry users watching.
Design. A functional backend with a terrible UI is a product nobody will use. Budget $5,000 to $15,000 for proper UX design and UI implementation, or work with a full stack team that includes design in their process. This is not about making things pretty. It is about making things usable.
How to Evaluate Quotes
You will get quotes that vary by 5x or more for the same project. Here is how to make sense of them:
Beware the lowball. If one quote is half the price of all the others, something is missing. Either they are underestimating the scope (and will charge more later), using junior developers who will take longer and produce worse code, or they are offshore and the low rate hides communication overhead and rework costs.
Compare deliverables, not prices. A $40,000 quote that includes architecture documentation, automated tests, CI/CD setup, monitoring, and 30 days of post launch support is a better deal than a $25,000 quote that delivers code and nothing else.
Ask about change order pricing. Every project has changes. The question is how they are handled. Some agencies bill hourly for any deviation from the original scope. Others include a buffer. Others charge per change request. Know this before you sign.
Ask about who does the work. Some agencies quote with a senior team and then assign the project to juniors. Ask who will be writing the code, what their experience level is, and whether the people on the sales call are the people building your product.
Choosing the Right Engagement Model
Fixed price works best for well defined projects with clear requirements. You know exactly what you are paying. The risk is on the development team to deliver within budget. This is what we use at Veld Systems for most projects.
Time and materials works when requirements are uncertain or evolving. You pay for hours worked. This gives flexibility but requires trust and active project management to avoid runaway costs.
Retainer works for ongoing development after launch. A set monthly budget for a defined amount of development capacity. Good for products that need continuous improvement.
For your first project, fixed price with a clearly defined scope is almost always the right choice. It forces both sides to think carefully about what is being built before writing a single line of code.
A Realistic First Project Budget
If you are building your first software product, here is a realistic starting point:
- Discovery and scoping: $0 to $5,000 (many agencies include this in the project cost, we do)
- MVP development: $20,000 to $50,000
- Post launch iteration: $5,000 to $15,000
- Year 1 infrastructure: $3,000 to $12,000
- Total realistic range: $28,000 to $82,000
That is not cheap. But compare it to hiring a full time developer ($80,000 to $150,000/year plus benefits), trying to build it yourself (6 to 12 months of opportunity cost), or stitching together no code tools that you will outgrow in a year.
Custom software is an investment. Budget for it like one, with clear expectations, a defined scope, and enough reserve to handle the unexpected.
Ready to scope your first project? Tell us what you are building.