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+852 9345 2863 info@dayella.co

IT and Marketing Solutions ‎

For your Business Success

BulletApp | UI UX Design | WebApp

SEO | Content Marketing |e-Payment

ChatBot Marketing | A.I. | NLP

KOL | Event Marketing

Get Started For Free!

Please contact us for a free demo. No upfront payment. Free Cancel.

BulletApp - an innovative mobile app self development platform


Self Service | Code-Free | User-Friendly UI | Boost Your Brand Image With Our App



Build your mobile app store


BulletApp Demonstration




We’ve Got You Covered

Brand Design & Strategy

Social Media Management

Audience Analytics



Team Training

Website Development

Email Marketing

We’ll Show You How It’s Done

ChatBot workshop – Auto Lead Generation – every Saturday @ 3-5pm

BulletApp – AppDev Workshop – every Sunday @ 3-5pm


We Make it Easy to Connect With Your Customers On Every Platform

Not only our BulletApp helps you design and develop your own mobile app, but also ChatBot provides 247 customer service by using AI and NLP technologies. 


Recent Project

  • CIDA(HK) – Coexist in Design and Art (HK) weekend market event @2019
  • CIDA(HK) – IP platform @2019
  • CIDA(HK) ChatBot @2018
  • DEMOS – Mobile App by BulletApp @2017

We Connect With


Product innovation has always been a competitive differentiator for us. Dayella will arm us with the visibility and agility to build, deliver and manage business critical mobile apps that improve communication for followers and customers.

McQueen Li

Creative Director, DEMOS

Let’s Get Started

Ready To Make a Real Change? Let’s Build this Thing Together!