App Development Company in West Bengal
Cyber Defence builds Android, iOS and Flutter apps for businesses across West Bengal — simple Flutter apps from ₹40,000, business apps with a backend ₹80,000–₹1,50,000 and e-commerce or delivery apps ₹1,00,000–₹4,00,000. Built by Amit Kumar (CEH, CRTA), with Play Store publishing and full source-code ownership.
Last updated: 6 August 2026
App development cost in West Bengal
| Project type | Price | What it covers |
|---|---|---|
| Simple Flutter app | ₹40,000 – ₹80,000 | One codebase for Android and iOS, 4–8 screens, API integration |
| Business app with backend | ₹80,000 – ₹1,50,000 | Logins, admin panel, push notifications, payments |
| Native Android app | ₹50,000 – ₹1,80,000 | Kotlin, for apps that lean on device hardware |
| E-commerce / delivery app | ₹1,00,000 – ₹4,00,000 | Catalogue, cart, live tracking, driver app, dashboards |
One flat written quote after a free consultation. Domain and hosting (or Play Store and Apple developer fees) are separate and stated upfront, never buried.
What businesses in West Bengal actually need
Kolkata anchors a services and trading economy: finance, healthcare, higher education and wholesale distribution for the whole of eastern India. Salt Lake Sector V and New Town hold the IT and BPO campuses. Older industrial belts at Howrah, Durgapur and Asansol run engineering, steel and coal. Jute along the Hooghly and tea in Darjeeling and the Dooars remain large employers, both under strain.
Smartphones and UPI are effectively universal across Kolkata, Howrah, Siliguri and the district towns, down to neighbourhood sweet shops and chemists taking QR payments. Fibre is good inside the city, thinner in the Sundarbans and the northern hill blocks. A great many family-run firms still trade on a phone number and a WhatsApp catalogue and have never owned a website.
What people here actually search for: Customers switch between Bengali script, Bengali typed in Roman letters and English inside a single session. Real queries look like "best cardiologist in Kolkata", "flat in New Town price", "Darjeeling homestay booking" and "sweet shop near me". Map pack position decides footfall for clinics, coaching centres and showrooms, so Business Profile discipline and Bengali-language answer content both carry weight.
What that means for the build: What most Bengal businesses actually need is a fast, mobile-first site that opens on a mid-range Android over patchy 4G, with Bengali and English sitting side by side. Clinics want appointment forms; hill homestays and tea-estate stays want enquiry and booking flows; Howrah and Burrabazar traders want catalogue pages with enquiry-to-quotation, not a full storefront.
Landmarks, estates and institutions we reference for West Bengal
Kolkata · Howrah · Durgapur · Asansol. These matter more than they look: local search and AI answers both lean on whether your content names the places your customers actually name. A page that says “serving West Bengal” and nothing else is invisible next to one that knows the ground.
Language decides more than you think in West Bengal
Business here happens in Bengali, Hindi, English, Urdu, Nepali. That is a strategy decision, not a translation job: it changes which keywords have volume, whether customers type in the local script or in Roman transliteration, and what your Google Business Profile description should say. Getting this wrong is the single most common reason a technically clean site still gets no local enquiries.
Sectors we work with here
Major business centres
Kolkata · Howrah · Durgapur · Asansol · Siliguri · Bardhaman · Malda · Kharagpur
Business languages: Bengali, Hindi, English, Urdu, Nepali
How the work runs
1. Free consultation
What the app must do, who uses it, and whether you genuinely need an app at all — sometimes a fast mobile website is the honest answer.
2. Flat written quote
One number for the agreed scope, with Play Store and Apple fees stated separately and upfront.
3. Screens you approve
Flow and screen design signed off before build, so you are not surprised at the end.
4. Build with test builds
Flutter, or native Kotlin where it is genuinely warranted. You get installable test builds throughout and use the app on your own phone as it grows.
5. Backend and admin panel
Logins, roles, payments via UPI/Razorpay, push notifications and a dashboard you can actually operate.
6. Store publishing and handover
Listing, screenshots, privacy policy and developer accounts in your name. Full source code is yours.
Cities we serve across West Bengal
Local pages with the detail specific to each city.
Straight answer: we have no office in West Bengal
Cyber Defence has one office — Red Square Market, Hisar, Haryana 125001 — and works with West Bengal clients remotely over calls, screen-share and WhatsApp. Plenty of agencies list a virtual address in every city they want to rank in; that is a false-NAP problem waiting to happen, and we would rather tell you the truth.
For app work it changes nothing practical. You see progress on a staging link or a test build as it happens, rather than waiting for a reveal at the end, and you deal directly with the person writing the code.
We also publish no star ratings or review counts, because we have no verified review corpus and inventing one is fraud. Ask us to put you in touch with an existing client instead.
App Development Company in West Bengal — FAQs
What kind of app do West Bengal businesses usually need?
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How much does app development cost in West Bengal?
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Should I build a Flutter app or native?
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Will I own the app source code?
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Do you publish the app to Play Store and App Store?
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Do you build apps for businesses across West Bengal?
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West Bengal me app banane ka kharcha kitna hai?
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Other services in West Bengal
Get a flat written quote for West Bengal
You deal with Amit Kumar directly, not an account manager. If what you need is smaller than what you asked for, we will say so.
Flat written pricing · Full ownership · One office in Hisar, serving West Bengal remotely