Mobile applications
Native iOS and Android apps with intuitive interfaces and the performance your users expect.
Independent developer · London
Useful apps.
Thoughtful device software.
From calendars and messaging to weather and phone customisation, I build practical software around the way people use their devices.
iOS & AndroidWeb applicationsIdea to launch
A practical approach to softwareBuilt for
Built for
everyday life.
01
Apps that simplify daily tasks
02
Android software shaped around your needs
03
See the work ↓Hands-on experience with keypad phones
Built for the way you work.
AndroidiOSWebAPIs & backend
One developer. A connected experience.What I do
The right solution.
Built around you.
From a focused mobile tool to a complete web platform, I bring design and development together.
Web applications
Responsive websites, dashboards and business tools that work beautifully across screens.
Backend & integrations
APIs, databases and connected systems that keep your application working behind the scenes.
Interface design
Clear user journeys and considered interfaces, with usability at the heart of every decision.
Launch & maintenance
Support through deployment and beyond, with improvements as your product and business grow.
Technical guidance
Practical advice on planning, platforms and priorities to help move your project forward.
My apps & device work
Real projects.
Everyday usefulness.
A closer look at the apps I work on, from weather and calendars to messaging, notes and Android utilities.
Weather application
Yossi Weather
Current conditions, hourly rain forecasts, a 10-day outlook and a dedicated Shabbat weekend view.
Calendar application
Calendar
Hebrew dates, holidays, weekly Torah portions and candle lighting times, with month and agenda views.
Notes application
Color Note Pro
Colour filters, notes and calendar navigation, with Google Drive backup options and PIN settings.
Messaging application
Messages
Conversation tools, quick replies, scheduled messages, Hebrew dates and a dedicated codes folder.
SMS utility
Auto Reply OTP Receiver
A focused interface for detecting incoming verification codes and managing automatic SMS replies.
App management
Updater
An update-management interface showing available app updates and actions for individual applications.
Device software work
Android customisation
A look behind the scenes at Android configuration and application manifest work.
Hands-on device experience
Phones I’ve worked on.
Keypad phones and Android devices from my software and customisation work.
Qin / MARSQIN keypad phone
Device software & customisationQin Android keypad phone
Device software & customisationQin keypad device
Device software & customisationQin J36
Device software & customisationHow we’ll work
A clear path.
From the first hello.
You work directly with the person designing and building your application, from the first conversation to the final details.
Tell me about your idea ↗Understand & plan
We talk through the problem, your audience and what matters most. Together, we define the scope and direction.
Design & refine
We shape the experience, explore the key screens and refine the details before development moves forward.
Build & test
I bring the product to life, share progress and check how it works across the devices your users depend on.
Launch & improve
We prepare for release and keep a clear plan for maintenance, feedback and what comes next.
The person behind the code
Hello, I’m Yossi.
I’m an independent app developer based in London, creating custom software for businesses and entrepreneurs.
I work across mobile and web platforms, bringing together practical engineering and thoughtful design. My focus is simple: build something useful, make it easy to use, and make it last.
KotlinSwiftReactFlutterNode.jsPython
Let’s build something
It starts with
a conversation.
Have an idea, a challenge, or an app that needs a fresh start? Tell me a little about it.
↗ Based in London↗ Direct communication, from start to finish↗ Mobile, web and everything between