PROJECT DETAILS

KEKS Pay Mobile App

KEKS Pay is a mobile payment app developed by Erste Bank that enables users to send and receive money instantly using just a phone number. 


KEKS Pay is a mobile payment app developed by Erste Bank that enables users to send and receive money instantly using just a phone number. 



€161,000,000+ turnover

€5 million sent every day

477,000+ users

Top rated finance app in Croatia

What Does It Do?

It streamlines daily payments — from splitting bills and sending money to paying utilities, parking, tolls, and even setting money aside.

Send Money

Send or receive money

Split Bills

Split bills with your friends

Top Up GSM

Add your mobile credits fast

Save Money

Put your money in the piggy bank

Loan Cash

Quick access to cash loans

Car Insurence

Quick access to cash loans

Gifts

Send or receive money for gifts

How We Made It Popular

How We Made It Popular

Thanks to its smooth UX, eye-catching visuals, and helpful animations, this app gained massive popularity in Croatia!


Thanks to its smooth UX, eye-catching visuals, and helpful animations, this app gained massive popularity in Croatia!

Clear UX/UI Design

The UX/UI design of KEKS Pay is built around a “Simple and Effective” philosophy — where every screen, flow, and element serves a clear purpose.

By eliminating unnecessary complexity, we focused on intuitive navigation, immediate clarity, and emotional ease.

Simple and Effective

Every screen and element is designed with a clear purpose, without unnecessary clutter.

Intuitive Navigation

Flows are structured so users can move through the app effortlessly.

Immediate Clarity

Key actions and information are presented in a straightforward way, reducing cognitive load.

Emotional Ease

A clean interface lowers stress and builds user confidence when handling payments.

Clear UX/UI Design

The UX/UI design of KEKS Pay is built around a “Simple and Effective” philosophy — where every screen, flow, and element serves a clear purpose.

By eliminating unnecessary complexity, we focused on intuitive navigation, immediate clarity, and emotional ease.

Simple and Effective

Every screen and element is designed with a clear purpose, without unnecessary clutter.

Intuitive Navigation

Flows are structured so users can move through the app effortlessly.

Immediate Clarity

Key actions and information are presented in a straightforward way, reducing cognitive load.

Emotional Ease

A clean interface lowers stress and builds user confidence when handling payments.

Playful Illustrations

The illustrations in KEKS Pay bring everyday payments closer to users by turning financial actions into clear, relatable visuals. Each icon and 3D element reflects a category that matters in daily life — from saving and gaming to food, travel, and shopping.

By combining playful style with recognizable symbols, the app creates an engaging and intuitive environment that helps users instantly understand where their money goes.

Relatable Categories

Each illustration represents a familiar aspect of life — such as paying bills, covering parking, splitting costs with friends, topping up a phone credit, paying tolls, and much more

Playful and Approachable

A friendly, colorful style lowers the barrier of entry, transforming payments from something serious into something engaging.

Immediate Recognition

Clear symbols ensure users quickly identify categories at a glance, without the need for text-heavy explanations.

Consistency Across the App

A unified illustration style ties together different sections of the app, reinforcing clarity and brand identity.

Engaging Animations

In KEKS Pay, animations aren’t just decorative — they guide, inform, and create a more enjoyable payment experience.

Guided Interactions

Animations visually guide users through payment flows, making every step clear without the need for instructions.

Instant Feedback

Smooth motion confirms actions like sending or receiving money, giving users confidence that transactions are successful.

Emotional Connection

Playful, friendly animations make the app feel more human, leaving a positive impression and encouraging repeated use.

Engaging Animations

In KEKS Pay, animations aren’t just decorative — they guide, inform, and create a more enjoyable payment experience.

Guided Interactions

Animations visually guide users through payment flows, making every step clear without the need for instructions.

Instant Feedback

Smooth motion confirms actions like sending or receiving money, giving users confidence that transactions are successful.

Emotional Connection

Playful, friendly animations make the app feel more human, leaving a positive impression and encouraging repeated use.

Innovative
Transitions

Smooth, intuitive, and visually guided — motion design in KEKS app enhances the user experience when switching vehicles during parking payments, making every interaction effortless and engaging.

Smooth, intuitive, and visually guided — motion design in KEKS app enhances the user experience when switching vehicles during parking payments, making every interaction effortless and engaging.

Smooth, intuitive, and visually guided — motion design in KEKS app enhances the user experience when switching vehicles during parking payments, making every interaction effortless and engaging.

KEKS Business Card

KEKS Business Card

Embossed typography meets glossy surfaces, creating a tactile 3D effect that transforms simple business cards into premium design pieces.

Embossed typography meets glossy surfaces, creating a tactile 3D effect that transforms simple business cards into premium design pieces.

Inspired by the visual language of KEKS Pay, the cards were deliberately crafted to resemble credit cards — both in proportions and finish — immediately evoking the product’s core purpose and industry context. The smooth, reflective coating mirrors the sleek UI aesthetic of the KEKS brand, while the embossed details reference the tangible world of payments, bridging digital design and physical touch.

Junior Debit Card

Vibrant illustration meets everyday usability — the KEKS Pay Junior card brings youthful energy into the world of finance.

Vibrant illustration meets everyday usability — the KEKS Pay Junior card brings youthful energy into the world of finance.

Designed to resonate with a younger audience, Junior card features playful, hand-drawn illustrations inspired by everyday hobbies — music, skating, photography — all rendered in KEKS’ signature color palette of cool blues and fresh greens. The dynamic composition and lively pattern create a sense of motion and individuality, reflecting how the next generation experiences payments: simple, digital, and fun.

Greeting Cards

Greeting Cards

Celebrate every moment with a KEKS gift card — from birthdays and new beginnings to holidays and just-because surprises. Designed for every occasion, made to make someone smile

Celebrate every moment with a KEKS gift card — from birthdays and new beginnings to holidays and just-because surprises. Designed for every occasion, made to make someone smile

The Process

The Process

We have been involved in the whole process from day one, and we continuously work on everyday improvements and new features.

We have been involved in the whole process from day one, and we continuously work on everyday improvements and new features.

The Beginning

Our journey started with countless brainstorming sessions, sticky notes, and design iterations all driven by the idea of making everyday payments simple and human. From the first sketches to functional prototypes, every step was shaped by collaboration between design, development, and business teams. What began as an idea soon grew into one of the most beloved fintech apps in the region.

Further Progress

As the app started taking shape, our focus shifted toward refining details, improving performance, and listening closely to user feedback. The team worked side by side designers, developers, and product leads to ensure every update made the experience smoother and more intuitive. Continuous development remains at the heart of our process, driving KEKS Pay forward every single day.

The Launching

The official launch of KEKS Pay marked a major milestone — celebrated with a gala evening filled with media representatives, influencers, and partners from across the region. The event showcased not only the product, but also the people and passion behind it. It was a night that highlighted creativity, teamwork, and the excitement of introducing something truly new to the fintech scene.

Looking to elevate your app?

Let’s start the conversation!

Looking to elevate your app?

Let’s start the conversation!

Looking to elevate your app?

Let’s start the conversation!

Looking to elevate your app?

Let’s start the conversation!

Similar Projects We’ve Worked On

Similar Projects We’ve Worked On

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A digital framework created to bring structure to complex banking processes, improve operational efficiency, and accelerate cross-team collaboration at scale.

For QLine by Addiko Bank, we delivered UI/UX design that helps users track wait times remotely, reduce stress, and better plan visits through an intuitive mobile experience.

yellow and white abstract painting

If our work resonated with you, we’d be glad to hear your story next.

This may be the end of the page, but your project could start right here.

yellow and white abstract painting

If our work resonated with you, we’d be glad to hear your story next.

If our work resonated with you, we’d be glad to hear your story next.

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