Error: processes live in spreadsheets
Requests, approvals and tracking happen across shared files and email threads.
( build · web app development
Custom Web Application Development Built Around Your Workflows
We are a web app development company that builds secure, fast browser-based applications — customer portals, internal tools, booking and workflow apps — connected to the systems your business already runs on.
// overview
What is a web application?
A web application is interactive software that runs in a web browser — users log in, enter data, complete tasks and see results, without installing anything. Custom web application development builds that software around your users, workflows and systems.
Unlike a website, which mainly presents information, a web app does work: customer portals, booking and ordering systems, internal tools, approval workflows and dashboards. Because it runs in the browser, it works on desktops, tablets and phones from one codebase.
Selling the software to many customers on a subscription? See SaaS development. Need an app in the app stores? See mobile app development. Mostly charts and reporting? See dashboards & BI.
// sound familiar?
Signs you need a custom web app
If three or more of these sound familiar, a web application will pay for itself.
Warning: customers keep emailing for updates
Clients ask for status, documents and invoices you could show them in a portal.
Error: off-the-shelf tools do not fit
You bend your process to match software instead of the other way round.
Warning: data is copied by hand
The same information is typed into several systems every day.
Error: an old desktop tool
A legacy program only works on a few office computers.
Warning: no visibility
Managers cannot see what is happening without asking around.
Not sure if you need a web app or a website? See web app vs website below.
// what's included
Our web application development services
Everything needed to plan, build and run a custom web app.
Customer & Client Portals
Secure portals where customers see orders, documents, invoices and requests.
Internal Tools & Admin Panels
Tools that replace spreadsheets and give teams one place to work.
Workflow & Approval Apps
Requests, approvals and hand-offs automated end to end.
Booking & Ordering Systems
Scheduling, bookings and ordering built around your rules.
Progressive Web Apps
Installable, offline-capable web apps that feel like mobile apps.
APIs & Integrations
Connect to your CRM, ERP, payments and email. See integrations.
Security, Roles & Access
Secure login, single sign-on, roles and audit trails.
Cloud Hosting & Support
Deployment, monitoring, backups and ongoing improvements.
// free download
Get the Web App Requirements Checklist
A checklist covering users, roles, workflows, data, integrations and security — so your web app project starts with a clear, complete brief.
// process
Our web app development process
A process that maps your workflow first, then builds software that fits it.
Start Your Web App →01Workflow discovery
Users, tasks, data and systems mapped with the people who do the work.
→ workflow map + requirements
02UX & prototype
Screens and flows prototyped and tested with real users.
→ approved prototype
03Build in sprints
Working software every sprint with demos and feedback.
→ staging app
04Integrate & launch
Integrations, data migration, security checks and go-live.
→ live web app + training
05Support & improve
Monitoring, updates and new features from usage data.
→ ongoing roadmap
// how we measure
What we measure on web app projects
We agree these measures with you at the start and report on them in plain language.
01
// hours of manual work removed each week
02
// customer emails replaced by the portal
03
// time to complete a request
// a typical challenge
Professional services firm managing client requests and documents by email.
// how we approach it
Client portal with secure document sharing, request tracking and CRM integration.
// what we report
Progress against the measures above, every month, in plain language.
// who it's for
Web app development for growing businesses
For teams that have outgrown spreadsheets and generic tools.
Professional Services
Client portals for documents, requests and billing.
Operations & Logistics
Scheduling, dispatch and tracking tools for busy teams.
Healthcare & Clinics
Patient and staff portals with privacy built in.
Founders & Product Teams
Web products that may grow into SaaS.
// web app vs website
Web app vs website vs mobile app
A website presents information; a web app lets users do work; a mobile app lives on the phone with device features and offline use. Many businesses need more than one — we help you choose, then build them to work together.
Need a marketing website instead? See custom website development.
- show infowebsite
- do tasksweb app
- on the gomobile app
- install-freepwa
- many customerssaas
- reportingdashboard
// types of web apps
Types of web applications we build
Most web apps fall into one of these four types — many combine more than one.
01 / portals
Customer Portals
Self-service accounts for orders, documents, bookings and support.
- Accounts
- Documents
- Payments
02 / internal
Internal Tools
Admin panels and team tools that replace spreadsheets.
- Workflows
- Roles
- Reports
03 / pwa
Progressive Web Apps
Installable, offline-capable apps without the app stores.
- Installable
- Offline
- Push
04 / dashboards
Data & Dashboards
Live reporting and analytics on top of your data.
- Charts
- KPIs
- Exports
Building a subscription product for many customers? See SaaS development →
// compare
Why choose Tech Pumpkin as your web app development company
How custom web application development compares with the usual alternatives.
| Feature | tech pumpkin | Off-the-shelf software | No-code tools |
|---|---|---|---|
| Fits your workflow | ✓ Built around it | You adapt to it | Partly |
| Integrations | ✓ Any system via APIs | Limited to their list | Basic |
| Security & roles | ✓ Designed for your data | Generic | Basic |
| Scales with you | ✓ Cloud-native | Per-seat pricing | Hits limits |
| Ownership | ✓ You own code and data | Licence only | Platform-owned |
| Ongoing support | ✓ Same team | Vendor queue | ✕ |
// go deeper
Web application development, explained
What teams ask before building a web app.
Web app vs mobile app: which do you need?
Choose a web app for desk-based work and broad access; choose a mobile app for on-the-go use and device features.
| Factor | Web app | Mobile app |
|---|---|---|
| Access | Any browser, no install | App stores |
| Device features | Some | Full: camera, GPS, push, offline |
| Updates | Instant | Store review |
| Best for | Portals, tools, dashboards | Customer apps, field teams |
Progressive web app vs native app
A progressive web app is a website that installs and works offline like an app — without the app stores. PWAs are cheaper to build and update instantly, but have less access to device features and no store presence. Choose native or cross-platform when you need full device access or app store discovery; see cross-platform apps.
How much does a web application cost?
Web app cost depends on users, workflows and integrations. The biggest drivers:
- Number of user roles and screens
- Complexity of workflows and business rules
- Integrations with CRM, ERP and other systems
- Data migration from spreadsheets or old tools
- Security, compliance and audit needs
We do not sell fixed packages. After a scoping call you receive a written scope and estimate.
What is the difference between a web app and a website?
A website is mostly for reading; a web app is for doing. Websites present pages to visitors. Web apps have accounts, data and actions: submitting requests, approving work, managing orders or viewing reports. Many companies run both — a marketing website for visitors and a web app for customers and staff.
// faq
Web app development FAQs
Straight answers to the questions we hear before every web app project.
What is a web application?
A web application is interactive software that runs in a browser. Users log in, enter data and complete tasks without installing anything, on desktop or mobile.
What is the difference between a web app and a website?
A website mainly presents information. A web app lets users do work: manage accounts, submit requests, approve tasks or view live data.
How much does custom web application development cost?
Cost depends on user roles, screens, workflows, integrations, data migration and security needs. We do not use fixed packages; after a scoping call you receive a written scope and estimate.
How long does it take to build a web app?
Timelines depend on your workflows and integrations, and we agree yours during discovery. A first version can launch sooner, with features added in later releases.
Will the web app work on phones?
Yes. We build responsive web apps that work on desktop, tablet and mobile, and can make them installable as progressive web apps.
Should we build a web app or a mobile app?
Choose a web app for desk-based work and broad access, and a mobile app when users need device features or offline use on the go. Many businesses use both.
Can you connect the web app to our existing systems?
Yes. We integrate with CRMs, ERPs, payment providers, email and identity systems through secure APIs.
Can you replace our spreadsheets or old desktop tool?
Yes. We map how the work is done today, migrate the data and build a web app that does the job better.
Where is the web app hosted?
On secure cloud infrastructure you own, with monitoring and backups. See our cloud services.
Who owns the app and the code?
You do. You own the source code, designs, data, app store listings and accounts from day one. We document everything and offer ongoing support, but you are never locked in.
// let’s build your web app
Ready to start your web app project?
Tell us about your users, workflows and systems. You will get a clear plan and estimate — no obligation, and an NDA if you need one.
- 01Discovery call — users, workflows and integrations
- 02Written scope and estimate
- 03Kickoff with your dedicated team