App developers for Vietnamese businesses Vietnamese and English apps with VNPay, MoMo and Zalo.

SpikeSecure Technologies Pvt. Ltd., a mobile app development company in Coimbatore, India, builds iOS and Android apps for businesses in Vietnam: Flutter or React Native apps with Vietnamese-first interfaces and English, VNPay, MoMo, ZaloPay and ShopeePay payments with Napas cards and VietQR, Zalo Official Account and SMS notifications, Giao Hàng Nhanh and Viettel Post delivery integrations, and store submission under your own Apple and Google developer accounts, invoiced in USD from our published Indian ranges.

Vietnamese app users expect Zalo as the messaging channel, wallets rather than cards, cash on delivery with rider reconciliation, and Vietnamese copy with every diacritic correct. We design for those from the first screen, keep privacy flows aligned with Decree 13 and the Personal Data Protection Law, host in Singapore or a Vietnamese cloud in your account and work a six-hour overlap with your afternoon from Coimbatore; there is no Vietnam office.

• Typical budget: ₹8–15 lakh for a mid-complexity app: iOS and Android from one Flutter codebase with a backend, payments, chat or maps and an admin console, built in 10–14 weeks (roughly USD 9,000–17,000, about VND 232–435 million).
• Where the team is: Coimbatore, Tamil Nadu, India; ICT (UTC+7). No office in Vietnam; delivery and support are remote, with a 11:00–17:00 ICT live overlap.
• Who it is for: F&B chains and franchises, ecommerce and retail brands, logistics and delivery operators, manufacturers with dealer and field apps, fintech and edtech startups, clinics and tourism operators in Ho Chi Minh City, Hanoi, Da Nang and Hai Phong.
• Localised for: Vietnamese first with full diacritics, English as the second language; USD invoicing with local amounts shown as indicative conversions; VNPay, MoMo, ZaloPay, ShopeePay, Napas cards and VietQR; Zalo and WhatsApp notifications; 10% VAT with mandatory e-invoices connected to the tax authority.
• Indicative cost: simple apps ₹4–8 lakh, mid-complexity apps ₹8–15 lakh, on-demand platforms with multiple apps ₹15–30 lakh on our published Indian pricing, roughly USD 4,500–34,000 (about VND 116–870 million) at the time of writing (October 2026), confirmed in a fixed-scope proposal.
• Hosting and data: AWS or Google Cloud Singapore, or Viettel IDC, VNPT Cloud or FPT Cloud where data residency is required, in accounts you own; designed for Decree 13/2023 on personal data protection and the Personal Data Protection Law that follows it, plus the Cybersecurity Law's localisation duties.
• Start: Book a discovery call; written proposal within 48 hours; mutual NDA before discovery.
• Related: mobile app development service page, Flutter development, hire developers in India, website development for Vietnam, software development for Vietnam, social media app development for Vietnam, Vietnam hub, AEO specialist, short drama apps for Vietnam, resort booking apps for Vietnam, international clients

Who looks for app developers in Vietnam

F&B chains that want ordering, loyalty and kitchen apps alongside GrabFood and ShopeeFood; retailers and brands that need their own app next to Shopee, Lazada and Tiki; logistics and last-mile operators with driver and proof-of-delivery apps; manufacturers with dealer, sales and quality apps; fintech and edtech founders in Ho Chi Minh City and Hanoi; and tourism operators in Da Nang with booking apps.

What a Vietnamese build adds

Vietnamese-first UI with full diacritics and English as a switch, VND pricing without decimals, VNPay, MoMo, ZaloPay and ShopeePay wallets with Napas cards and VietQR, cash-on-delivery reconciliation, Zalo OA and ZNS notifications alongside brand-name SMS, GHN, GHTK and Viettel Post delivery APIs, Grab Express for same-day in the two big cities, and Google Maps with Vietnamese address formats.

Store review and compliance

Apps are published under your Vietnamese developer accounts; we handle listings in both languages, privacy manifests and data-safety declarations aligned with Decree 13/2023 and the Personal Data Protection Law, data-localisation choices under the Cybersecurity Law where your service is named, and the user-generated-content controls Apple and Google require. Back ends run in AWS or Google Cloud Singapore or in Viettel IDC, VNPT or FPT Cloud in your account.

• Payments. VNPay, MoMo, ZaloPay and ShopeePay wallets, Napas domestic cards and VietQR bank transfers, OnePay and Payoo gateways, Visa and Mastercard, and cash on delivery with rider reconciliation, which remains common in Vietnamese ecommerce. Set up in accounts you own, with webhooks, refunds and settlement reconciliation tested in the sandbox before go-live.
• Accounting and CRM. MISA, Fast or Bravo accounting through export or API where the vendor offers one, Xero or QuickBooks Online for foreign-owned companies, and Vietnamese e-invoices through a licensed provider such as Viettel, VNPT or MISA meInvoice as the tax rules require; Zoho CRM or HubSpot through their APIs for sales teams.
• Local channels and APIs. Vietnamese and English UI, Zalo Official Account and Zalo Notification Service for messaging alongside SMS brand-name gateways, Giao Hàng Nhanh, Giao Hàng Tiết Kiệm and Viettel Post APIs for delivery, and Google Maps for Hanoi, Ho Chi Minh City and Da Nang delivery zones; all in your accounts.
• What already runs in production. Per-minute wallets, Razorpay checkout and RazorpayX payouts, Agora audio and video, Flutter and Next.js clients and a NestJS API on AWS in Local Friends; Razorpay checkout, WhatsApp Business API follow-ups and role-based dashboards in the six published case studies. Swapping Razorpay for VNPay or MoMo is a gateway adapter and a sandbox test run, not a new architecture. No Vietnamese client is named on this site and we hold no SOC 2 or ISO 27001 certification.

SpikeSecure has one office, at CHIL SEZ IT Park, Saravanampatti, Coimbatore, India. Vietnamese clients are served remotely by that engineering team; there is no Vietnam office, entity, local staff or local phone number, and we do not claim one.

• Working hours. Vietnam is on Indochina Time (UTC+7), one and a half hours ahead of India, so our 09:30–18:30 IST day runs 11:00–20:00 in Vietnam and overlaps your working day from 11:00 to 17:00, with the common 11:30–13:30 lunch break planned around; morning requests are answered by 11:00 your time. Tết and other public holidays are written into schedules, and launch or incident coverage outside the window is arranged in the maintenance plan.
• Commercials. A written, fixed-scope proposal before work starts. Quoted and invoiced in USD through Wise or Stripe, or in INR; Vietnamese dong figures in proposals are indicative conversions and the fixed price is set in the invoicing currency. We are an Indian entity and charge no Vietnamese VAT; your accountant advises on foreign-contractor tax treatment on your side, and we do not give tax advice.
• NDA and ownership. A mutual NDA is signed before discovery. Source code lives in a GitHub organisation you own; cloud, app store, payment and domain accounts are in your name from day one; the intellectual property in the delivered work is assigned to you on final payment.
• Communication. A named project lead, a shared channel on Zalo or Slack, weekly demos on a staging URL (recorded for absent stakeholders), a written status note every Friday and GitHub access throughout.
• Hosting. AWS or Google Cloud Singapore for most workloads, or Viettel IDC, VNPT Cloud or FPT Cloud where Vietnamese data residency is required, in your accounts with your billing; encrypted Postgres, object storage and a CDN with Hanoi and Ho Chi Minh City edge locations in front.
• After launch. A 30-day warranty on every build, then optional maintenance with monthly health reports, or a documented handover to your in-house team or a Vietnamese vendor.

Short answer: most Vietnamese businesses that ask us for an app need a mid-complexity Vietnamese and English app at roughly USD 9,000–17,000 (about VND 232–435 million), built in Flutter in 10–14 weeks. Conversions use the rates at the time of writing (November 2026, about ₹88.5 per US dollar and VND 290 per rupee); the price is fixed in USD in the written proposal. Hosting, gateway fees, API charges and Apple and Google developer accounts are paid by you at cost.

Ho Chi Minh City

Typical requests: F&B ordering and loyalty for chains and franchises, retail and brand apps next to marketplace stores, food and grocery delivery with COD reconciliation, clinic booking, and startup MVPs, with MoMo, ZaloPay and VNPay as the default payment set.

Hanoi

Education, enterprise and field-service apps, membership and booking apps, and products that need Vietnamese-first interfaces with every diacritic correct and data handling aligned with Decree 13 and the Personal Data Protection Law, which your counsel confirms.

Da Nang, Nha Trang and Hoi An

Hotel, resort, tour and restaurant booking apps in Vietnamese, English, Korean or Chinese for visitors. See resort booking app development for Vietnam.

Hai Phong, Bac Ninh, Binh Duong and Dong Nai

Dealer-ordering, warehouse, field-service and workforce apps for manufacturers and suppliers in the industrial parks, with offline mode and sync to MISA, Fast, Bravo or your ERP.

Can Tho and the Mekong Delta

Agriculture, distribution and retail apps for price-sensitive markets, where a simple or mid-complexity Flutter app with Zalo notifications and cash on delivery is the usual fit.

Related Vietnam pages: website development for Vietnam, software development, social media apps, short drama apps, live commerce and the Vietnam hub. For ride-hailing builds see taxi app development.