-1.png?width=134&height=66&name=amwhiz-logo%20(1)-1.png)
Custom web app development typically costs USD 15,000–50,000 for an MVP, USD 50,000–150,000 for a mid-size business application or portal, and USD 150,000–500,000+ for an enterprise platform. Timelines run from 8–16 weeks for an MVP to 6–12 months or more for enterprise builds.
The price depends far more on features, integrations and security needs than on screen count. This guide breaks down cost tiers, team models, timelines and the ongoing costs most first-time buyers miss.
Key takeaways
- MVP: roughly USD 15,000–50,000 and 8–16 weeks for a focused first release with core features only.
- Business apps and portals: roughly USD 50,000–150,000 with roles, dashboards and several integrations.
- Enterprise platforms: USD 150,000–500,000+ with complex workflows, compliance and high availability.
- Running costs: budget 15–25% of the build cost per year for hosting, maintenance and improvements.
How much does custom web app development cost in 2026?
Web app development cost scales with complexity. A useful way to budget is by tier: what you are building, who uses it and how many systems it connects to.
| Tier | Typical scope | Typical cost (USD) | Timeline |
|---|---|---|---|
| Internal tool | 1–2 user roles, forms, simple reports | 8,000–25,000 | 4–8 weeks |
| MVP | Core user flow, auth, admin panel | 15,000–50,000 | 8–16 weeks |
| Business app or portal | Roles, dashboards, 2–5 integrations | 50,000–150,000 | 3–6 months |
| Enterprise platform | Multi-tenant, complex workflows, SSO, audit | 150,000–500,000+ | 6–12+ months |
These ranges assume a partner-led build with design, development, testing and deployment. Our guide to what a web app development engagement includes explains each phase in more detail.
What does an MVP cost to build?
An MVP typically costs USD 15,000–50,000. The goal is to validate one core workflow with real users, not to build every feature on the roadmap.
A tight MVP usually includes:
- User sign-up, login and password reset
- One or two core workflows, such as booking, ordering or submitting a request
- A basic admin panel to manage users and data
- Essential integrations only, such as payments or email
- Analytics to measure whether users actually adopt it
The fastest way to overspend is to add nice-to-have features before launch. Keep a written backlog and move anything that does not test your core assumption to phase two.
What does web portal development cost?
Web portal development typically costs USD 30,000–150,000. Customer portals, partner or dealer portals and employee self-service portals all fall in this range, because they combine logins, role-based access and live data from a CRM or ERP.
The cheapest portals sit on top of an existing platform and reuse its data and user accounts. The most expensive ones are fully custom, serve several user types and sync with multiple back-office systems in real time. Before you scope a portal, list every user type, what each one can see and do, and which system owns each piece of data. That one document removes most of the guesswork from a quote.
What drives custom web application cost up or down?
Six factors explain most of the difference between quotes for the same idea:
- Features and business logic: calculations, approvals and rules engines take the most engineering time.
- User roles and permissions: each role adds screens, access rules and testing.
- Integrations: CRM, ERP, payment, identity and legacy systems each add scope and risk.
- Data volume and performance: high traffic or real-time features need more architecture work.
- Security and compliance: SSO, audit logs, encryption and regulatory needs add effort.
- Design: custom UX research and design systems cost more than a clean, standard UI kit.
Build security in from day one. The OWASP Top 10 is the standard checklist of common web application risks, and accessibility against WCAG 2.2 is cheaper to design in than to retrofit.
Integrations are often the hidden half of the budget. If your app must sync with HubSpot, our HubSpot custom integration services cover that side, and this Chargebee, Clerk and Close CRM sync case study shows what a multi-system sync involves.
Which team model is right for your web app?
How you engage a development partner affects cost, speed and flexibility as much as the hourly rate does.
| Model | How it works | Best for | Cost risk |
|---|---|---|---|
| Fixed price | Agreed scope, price and timeline | MVPs with clear scope | Low, but changes cost extra |
| Time and materials | Pay for hours used, flexible scope | Evolving products | Medium |
| Dedicated team | Monthly fee for a full team | Long-term product builds | Predictable monthly spend |
Location matters too. Offshore teams in India commonly work at a fraction of US or UK agency rates for the same stack, and overnight delivery can speed up work for US and UK clients. Judge any partner on case studies, code quality and process, not rate alone.
How long does it take to build a web app?
Most MVPs take 8–16 weeks, business applications 3–6 months and enterprise platforms 6–12 months or more. Scope changes and slow feedback cause more delays than development itself.
| Phase | MVP | Business app |
|---|---|---|
| Discovery and scoping | 1–2 weeks | 2–4 weeks |
| UX and UI design | 2–3 weeks | 3–6 weeks |
| Development and integrations | 4–8 weeks | 8–16 weeks |
| Testing, UAT and launch | 1–3 weeks | 3–4 weeks |
What ongoing costs should you budget for?
Plan for 15–25% of the build cost per year after launch. That covers:
- Cloud hosting, databases, backups and monitoring
- Security patches, dependency upgrades and framework updates
- Bug fixes and small enhancements based on user feedback
- Third-party licences such as email, SMS, maps or authentication services
- API changes in the systems you integrate with
Data-heavy apps may also need pipelines and reporting infrastructure, as in our ETL pipeline with Airflow and Redshift case study.
Should you build custom, use low-code or buy SaaS?
Buy SaaS when an existing product covers 80% or more of your workflow. Use low-code for internal tools with moderate complexity. Build custom when the app is core to how you win customers or when no product fits your process. Compare options on three-year total cost, including licences per user, not on the first invoice alone.
Low-code platforms such as Zoho Creator can cut cost and time for internal apps; we compare the trade-offs in build in Zoho Creator vs buy software. If users also need a native mobile experience, plan it with our mobile app development team so the API serves both. For commerce, see custom ecommerce app development for scalable stores.
Why choose Amwhiz for custom web app development?
Amwhiz has in-house developers who build web apps, portals and integrations across HubSpot, Shopify, Zoho and custom stacks. We scope every project upfront, recommend the lightest option that works, whether custom, low-code or SaaS, and design security and integrations in from day one. Clients in India, the US, the UK, the Middle East and APAC use us for MVPs and long-term product builds.
Have a web app idea or a process that has outgrown spreadsheets? Get a scoped estimate from our custom web app development team.
Get a cost estimate for your exact requirements
Every project is different. Book a free 30-minute call and we will give you a realistic estimate based on your team, scope and timeline, with no obligation.
Get my free estimateFrequently asked questions
How much does it cost to build a web app?
A custom web app typically costs USD 15,000–50,000 for an MVP, USD 50,000–150,000 for a business application or portal, and USD 150,000–500,000+ for an enterprise platform. Features, integrations and security needs drive the price.
How much does an MVP cost?
Most MVPs cost USD 15,000–50,000 and take 8–16 weeks. Keeping the first release to one or two core workflows is the best way to control cost.
How long does custom web app development take?
MVPs usually take 8–16 weeks, business apps 3–6 months and enterprise platforms 6–12 months or more. Clear scope and fast feedback keep projects on schedule.
What are the ongoing costs of a web app?
Budget about 15–25% of the build cost per year for hosting, monitoring, security updates, bug fixes and small improvements, plus any third-party licences.
Is it cheaper to build a web app in India?
Usually, yes. Experienced Indian development teams commonly charge a fraction of US or UK agency rates for the same stack. Quality depends on the partner’s process and track record, so check case studies and references.
