Web / App Development

Live-Streaming KOL Tipping App

A live-streaming app that lets fans interact with artists and KOLs in real time and send tips. A streaming backbone supporting 10,000 concurrent users, combined with secure payments, rankings, and notifications, opens up a new revenue model for creators.

業界 | IndustryEntertainment / Live Streaming

主要技術 | Core StackReact Native / Flutter / WebRTC / NestJS / AWS

最大同時接続 | Peak Concurrent10,000 users

課題 Challenge

Offline fan events were costly to run and hard to scale up in frequency.
Tipping and donation management was complex, making it hard to stabilize creator revenue.
Sustaining continuous engagement with fans during and after streams was difficult.

ソリューション Solution

Live Streaming

Low-latency video streaming from mobile devices — combining WebRTC, RTMP, HLS, and MPEG-DASH for stable playback in any viewing environment.

Tipping System

Viewers purchase coins and tip live artists instantly. Tips update rankings in real time.

Real-Time Interaction

Comments, likes, and shares via Socket.io enable real two-way communication between artists and fans.

Rankings & Rewards

Tipping-based rankings and points keep creators motivated and give fans a reason to stay engaged.

主な機能 Key Features

Live streaming from mobile devices
Coin purchases and tip delivery
Comments, likes, and sharing
Ranking and reward system
Favorites and live-start notifications
Artist search and profiles
Credit card and digital wallet payments
User profile and transaction history

技術スタック Tech Stack

React Native Flutter WebRTC RTMP HLS MPEG-DASH Socket.io NestJS MongoDB PostgreSQL AWS EC2 AWS RDS

開発成果 Results

Delivered a streaming backbone supporting 10,000 concurrent users.
Low-latency real-time interaction significantly increased viewer session duration.
Tipping enabled a new revenue model and sustained monetization for creators.
A secure, fast payment flow optimized purchase completion rates.