Mobile App Development

Seyyah Mobile - eSIM for Tourists case study.

An eSIM platform that helps tourists buy, manage and top up internet connectivity across 165+ countries without roaming fees.

Store App

Seyyah Mobile - eSIM for Tourists

Travel & Telecom

AndroidiOSWeb
Project overview

What this product set out to do

An eSIM platform that helps tourists buy, manage and top up internet connectivity across 165+ countries without roaming fees.

At a glance

Industry
Travel & Telecom
Service
Mobile App Development
Project type
Store App
Platforms
Android, iOS, Web
The brief

The challenge, and how we solved it

Every project starts with a real business problem. Here's the one we set out to solve — and the approach we took.

The business challenge

Tourists need reliable international connectivity without complicated SIM changes, roaming charges or manual setup.

The solution we provided

A mobile eSIM experience for purchasing, managing and topping up travel connectivity through a simple app interface.

What we built

Key features of the product

The core capabilities that shaped the experience and made the product genuinely useful.

eSIM purchase flow

Top-up management

International coverage

User account system

Payment integration

Travel-friendly mobile UX

Technology stack

Chosen for speed, maintainability and where the product needs to go next — not just what's trendy today.

Tools & technologies

FlutterDartREST APIsPayment IntegrationeSIM APIs
AndroidiOSWeb
How we work

Our development process

A clear, repeatable rhythm that keeps projects on track from first conversation to launch and beyond.

01

Discovery & scope

We map the goals, users and core features into a clear written spec before any code is written.

02

UI/UX design

Wireframes and a polished interface so the experience is validated before the build begins.

03

Development

Frontend and backend are built in parallel, with progress you can see throughout — not just at the end.

04

Testing & QA

Tested on real devices to catch edge cases and make sure everything stays stable under load.

05

Launch & support

Store submission or deployment, followed by ongoing maintenance and improvements.

Results & outcomes

The difference it actually made

Practical outcomes that made the product easier to use, easier to run and ready to grow.

01

Supported connectivity across 165+ countries

02

Simplified eSIM purchase and management

03

Improved travel internet accessibility

Your idea next

Want to build something like this?

Tell us what you have in mind and we'll help shape it into a clear, usable product — from first sketch to a confident launch.