Hello, I'm Arnold Semase

Mobile apps that make work lighter

I design and build simple, fast apps for small businesses and busy people. Here is what’s launching.

Mobile App Developer

My Apps

Each app does one job well and is made to be used with one thumb.

Invoicer invoice screen

Invoicer

Create quotes and invoices in under a minute, then send them straight to customers on WhatsApp.

Coming sooniOSAndroid

MarketMate

Captions, product descriptions and a weekly content plan for your business, written for you.

In designiOSAndroid

Keystone

Share files with a password and a link that expires on its own, so nothing lingers.

In designiOSAndroid

Why My Apps

Simple to use. Built with purpose.

Simple by design

Intuitive interfaces that make everyday tasks easier, without unnecessary complexity.

Built with care

Every app is designed, developed and maintained with attention to functionality and user experience.

Independent developer

I build my own products, solve real problems and continuously improve my work.

Be first to try them

Want early access or a custom app for your business? Reach out through my portfolio.

Get in touch