Code4Change
product-focused technology studio · since 2021

Built for impact.
Designed for the future.

Code4Change builds modern digital products that combine AI, automation, cross-platform connectivity and user experience to help businesses make their mark in the digital era.

View Products
5+
years of product development
200+
trusted customers
10+
partners served
99.9%
operational uptime
what we do

Products, not
software services.

We combine design thinking, creative innovation, and modern technology to build products that not only work effectively but also make a lasting mark in the market.

/* every project is a product — not a service package. */
01 / startup MVP

MVP Development for Startups

You have an idea but don't know where to start? We walk with you from sketch to a first version with real users — in months, not years.

MVPlaunchscale-ready
02 / web & mobile

Web & Mobile Apps

Build products users genuinely want to come back to — fast, smooth, and easy to maintain.

web appiOS / AndroidPWA
03 / events

Digital Event Platforms

Lucky draws, live raffles, mini-games, and audience interaction boards — stable for thousands of people in real time.

realtime10k+ đồng thời
04 / interface

Premium UI Design

Beautiful interfaces, smooth motion, and consistent feel — design and engineering done together so the product looks great at every touchpoint.

chuyển độnghiệu ứng 3Dhệ thống thiết kế
05 / automation

Automation & Internal Tools

Automate repetitive tasks draining your team's time — so you can focus resources on customers, product, and business growth.

automationinternal tools
06 / unlimited

No Limits on Ideas

Whatever problem you need to solve, whatever solution you have in mind — we're ready to turn it into a real product with you.

custom buildend-to-endđột phá
product ecosystem

Turning needs
into distinctive experiences.

/* live in production · 6 products */
Lucky Draw — live event drawing
/ FLAGSHIP · 01LIVEquaysotrungthuong.vn

Lucky Draw

Giúp các sự kiện trở nên sống động hơn bằng trải nghiệm tương tác realtime — vòng quay, bốc thăm, kích hoạt khán giả.

10k+
concurrent live
2,400+
events powered
< 80ms
avg latency
Event Tool — điều hành sự kiện
/ 02 · EVENT MANAGEMENT

Event Tool

Hệ thống sự kiện hiện đại — kết nối người tham dự, nội dung và trải nghiệm trong cùng một nền tảng.

8,342 attendees · live opsbright4event.com
Lucky Wheel — vòng quay tương tác
/ 03 · ENGAGEMENT MODULEluckywheel.vn

Lucky Wheel

Mô-đun vòng quay linh hoạt cho livestream, kiosk và trải nghiệm tương tác tại sự kiện.

embed · 1 line of code · 320+ campaigns
ListenWithMe — chia sẻ âm nhạc
/ 04 · SOCIAL AUDIOlistenwithme.app

ListenWithMe

Biến âm nhạc thành cách kết nối cảm xúc giữa mọi người.

listening together
TravelWithMe — hành trình cộng đồng
/ 05 · COMMUNITY TRAVELtravelwithme.life

TravelWithMe

Nơi những hành trình được chia sẻ tự nhiên hơn qua cộng đồng và trải nghiệm thật.

DAD → HUE → HAN
Lucky DrawLucky WheelEvent ToolListenWithMeTravelWithMe
một hệ sinh thái · cùng tư duy sản phẩm · cùng đội ngũ
how we work

Not just a project.
A product built to succeed.

We approach every project with the mindset that this product is also our own — caring for every detail, staying alongside through launch, and growing it with you.

01

Understand the problem

Sit with you to understand the business, users, and what you truly want the product to do.

02

Shape the product

Turn ideas into a product with clear scope, measurable goals, and a realistic path forward.

03

Design

Design the interface and experience so users want to come back — clear, beautiful, and feeling right.

04

Build

Engineer a fast, stable, and scalable foundation — at a pace fast enough for startups to keep moving.

05

Stay alongside

Track the product after launch — optimize, update, and evolve based on real user behavior.

our philosophy

Understand first.
Then build.

Inspired by Y Combinator's spirit of "make something people want", every line of code, every pixel, every design decision we make starts with a question: does this actually help users?

If the answer is no — we remove it. That's how good products are made: not by adding features, but by the discipline of keeping only what truly matters.

[ trusted partners ]
94%
of clients return for the next project
[ product cycles ]
2.4×
faster than traditional timelines
it's never too late

Late is better than
never.

Every day your idea sits on paper is another day your product hasn't lived. Start today — we'll walk with you from here.

[ email ]
support@code4change.dev
response within 1 business day
[ phone · VN ]
(+84) 0901 434 333
Mon – Fri · 09:00 – 18:00 ICT
[ studio ]
73 Nguyen Nhu Hanh
Da Nang · Vietnam
Code4Change — Built for impact. Designed for the future. | Code4Change