ER Freelancer

Freelance Mobile App Developer in Vietnam

Freelance mobile app developer for Vietnam: iOS and Android apps from one codebase. Planned for Vietnam's PDP Law, local payments and your time zone.

Overview

Cross-platform iOS and Android apps (Flutter or React Native) with secure APIs, push notifications, payments and app-store submission handled for you. Projects for Vietnam run remotely, with about 6.5 hours of overlap with a 9-to-6 working day. Scope, milestones and ownership are agreed in writing before work starts.

Vietnam-specific requirements to plan for

Projects for businesses in Vietnam have to work for local customers and local rules. These points are planned from the first milestone:

  • Personal Data Protection Law (No. 91/2025/QH15) and Decree 356/2025, both effective 1 January 2026: Consent and impact assessments are required, and some cross-border transfers must be documented.
  • Payment methods customers in Vietnam expect: VNPay QR, MoMo, ZaloPay, Napas and OnePay.
  • Interface and content languages: Vietnamese and English.

Source: Government Legal Documents Portal — Law No. 91/2025/QH15 on Personal Data Protection

This is practical delivery guidance, not legal advice.

Typical mobile app developer projects for businesses in Vietnam

Vietnam’s key sectors include manufacturing & industrial, it & software services, retail & d2c brands and tourism & travel.

  • Retail & D2C brands: inventory, order and loyalty management connected to the store.
  • Logistics & shipping: dispatch, fleet and proof-of-delivery tracking software.
  • Manufacturing & industrial: production, inventory and dealer-order tracking (ERP-style) software.
  • IT & software services: a client portal with ticketing, time logs and invoicing.

Mobile App Developer for businesses across Vietnam

Projects are planned for the market each business sells into. Cities covered in Vietnam:

  • Hanoi: vietnam’s capital, with government, education, IT services and fast-growing consumer brands.
  • Ho Chi Minh City: vietnam’s economic engine, with manufacturing, retail, fintech and a booming software-outsourcing sector.

Working hours: India ↔ Vietnam

Vietnam is on UTC+7. IST is 1 h 30 min behind. That leaves roughly 6.5 hours of overlap with a 9-to-6 working day. A daily call at 09:30–12:30 your time (08:00–11:00 IST) works year-round. Between calls you get written updates and a staging link that shows the latest build.

Decisions to make before work starts

Map sign-in, roles, notifications, payments and device permissions. Decide how data synchronization handles interrupted connections. Prepare release assets and store-account access as separate dependencies.

Deliverables to agree in your scope

  • Interactive mobile wireframes and high-fidelity prototypes
  • Production-ready iOS and Android application binaries
  • REST / GraphQL API backend integration and offline data sync
  • Authentication, push notifications, and device hardware integration
  • App Store and Google Play review submission packaging
  • One codebase for iOS and Android
  • App Store and Google Play submission handled
  • Analytics and crash reporting from day one

Technology options

  • React Native
  • Flutter
  • iOS Swift / Android Kotlin
  • Node.js / Firebase backend
  • GraphQL

Questions for your project brief

  • Which platforms do you need to target?
  • What are the top 3 core capabilities of the app?
  • Do you have an existing backend API?
  • Does your application require right-to-left (RTL) or Arabic language support?

How the quote is scoped

These factors affect the work involved:

  • Number of unique screen templates
  • Third-party SDK integrations (payments, maps)
  • Offline sync architecture
  • Backend complexity

Share your budget in VND or USD. The schedule, payment milestones, external charges and support terms are agreed in writing before work starts.

Review and handover

Test the agreed device matrix, account recovery, permission denial, offline behavior and API errors. Store submission can be in scope; approval timing is decided by the store. Source-code and asset ownership, licences, account access and ongoing support are set out in the project terms.

Can I hire a freelance mobile app developer for a project in Vietnam?

Yes. Share your goals, timeline and budget and you receive clarifying questions or a scoped, milestone-based proposal. Work runs remotely, with written updates and a staging link you can review at any time.

How much does a freelance mobile app developer cost in Vietnam?

It depends on number of unique screen templates, third-party SDK integrations (payments, maps), offline sync architecture and backend complexity. There are no fixed packages: share your budget in VND or USD and receive an itemised, milestone-based proposal.

How long does a mobile app project take?

The service catalog lists a typical range of 30 - 75 days; the real plan depends on scope, integrations and content readiness.

Will the project follow Vietnam's PDP Law in Vietnam?

The build is planned around the Personal Data Protection Law (No. 91/2025/QH15) and Decree 356/2025, both effective 1 January 2026: consent capture on forms, a clear privacy notice, data minimisation and suitable hosting. Consent and impact assessments are required, and some cross-border transfers must be documented. Final legal wording should be checked by your legal adviser. Official reference: https://vanban.chinhphu.vn/?pageid=27160&docid=214590&classid=1&typegroupid=3

Which payment methods can be integrated for Vietnam?

Common options include VNPay QR, MoMo, ZaloPay, Napas and OnePay. Gateways are chosen around your customers, settlement currency (VND) and fees, and the full checkout is tested on mobile.

Which time zone will the project run in for Vietnam?

Calls run 09:30–12:30 your time (08:00–11:00 IST); everything else is asynchronous, with written updates.

Other services in Vietnam

Mobile App Development by city in Vietnam

Raji

Founder & freelance developer

Rajeev, known as Raji, is the founder of ER Freelancer. Work directly with him on websites, applications and business software, with remote collaboration available worldwide.

Based in India · available remotely

Available for remote projects worldwide

Languages: English, Hindi