Discover
Vaccine information
Customers can access information about vaccines, availability, descriptions and pricing through the application.
VNVC · Consumer digital health
Turning a vaccination visit into a continuing digital service
Twin developed the VNVC mobile application around a simple idea: the customer relationship should not begin at the booking screen and end when the visit is over. The product connects information, family profiles, appointments, transactions, vaccination history and future-dose reminders in one continuing service.
Family profilesAppointments & transactionsRecords & reminders
The operating problem
Make one mobile service useful before the visit, at the visit and long after it
For customers managing vaccinations for themselves and family members, the journey involves much more than choosing an appointment. Information, schedules, transactions, records and reminders can stretch across many visits and multiple people.
The service had to remain useful beyond booking. Customers needed access to vaccine information and availability, personal schedules, reminders, transaction activity, vaccination history and relevant health resources from one account-based experience.
Twin translated that service journey into a dedicated mobile product designed around the customer’s continuing relationship with VNVC.
Delivered scope
Design the product around the full customer journey
Plan
Family profiles and schedules
Profiles help customers organise vaccination information for family members and keep upcoming schedules visible.
Book
Appointments and payments
The mobile journey supports appointment booking and transaction functions without forcing the user into disconnected channels.
Remember
History and reminders
Vaccination records and future-dose reminders keep the application relevant after an individual visit.
Inform
Health resources and updates
VNVC can publish useful service and health information through the same digital relationship.
Operate
Designed for scale
The product was built as a customer-facing service channel for a large vaccination network rather than a one-off booking form.
See the service in the customer’s hand
The VNVC experience in the customer’s hand
Adoption at consumer scale
A service that reached a substantial consumer audience
Public store metrics from July 2026 show the application reaching a substantial consumer audience—an important signal for a service designed to stay relevant across repeated healthcare interactions.
100K+Google Play downloads
4.7Vietnam App Store rating
2.2KApp Store ratings
App-store figures shown are current to 19 July 2026.
The bigger idea behind the app
Instead of splitting booking, records and reminders into isolated touchpoints, VNVC gained one mobile service that can remain useful throughout the vaccination lifecycle. That continuity is what turns an app from a transaction tool into an ongoing customer channel.
The design lesson is simple but important: recurring healthcare services create value between appointments as well as during them. Family profiles, history and reminders give the digital service memory. When those functions live together, the application can support preparation for the next visit instead of asking the customer to start again each time.
Create a service customers keep using
Discuss a consumer health application or platform
Bring information, appointments, customer records and ongoing service into a digital experience built around the real operating journey.