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Greensighter's Project

JOSEPHA - price comparison platform redesign

300K+

App rating

4.7★

App rating

2025

What is JOSEPHA?

Europe’s leading price comparison platform that finds better deals across the entire internet within seconds.

Industry

SaaS

E-Commerce

AI

Services

UI/UX Design Services

Mobile App Design Services

Timeline

6 months

Website

JOSEPHA
Project logo

Client overview

Price comparison marketplace

JOSEPHA helps European shoppers find better deals without the hassle. Their platform serves over 300,000 users who typically save 54% on purchases. Instead of manually checking multiple sites, people just use their browser extension or mobile app to instantly compare prices across thousands of retailers.

The team built JOSEPHA for busy online shoppers who hate overpaying but don't have time to check other deals. Their users are mostly millennials and Gen Z folks who want quick savings without jumping through hoops or dealing with complicated comparison tools.

  • 1,200 Hours total design time
  • Mobile-first Platform architecture
  • AI-powered Deal discovery engine
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The challenge

Overwhelming price comparison process

Before JOSEPHA's redesign, users struggled with a clunky interface that made finding deals feel like work. The original platform was slow, confusing, and often missed better prices from smaller retailers. People would give up halfway through searches because the process took too long.

The existing mobile experience was particularly frustrating. Users couldn't easily share products or get quick comparisons on their phones. Many potential customers abandoned the platform after just one session, choosing to stick with manual price checking or competitors like Idealo instead.

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The approach

Mobile-first design that actually works

We started by studying how people actually shop online. Through user interviews and behavior analysis, we discovered shoppers want speed over complexity. Our design prioritized one-click comparisons and eliminated unnecessary steps that slowed down the deal-finding process.

Our redesign focused on mobile-first architecture since most price checking happens on phones. We streamlined the interface, improved load times, and created intuitive sharing features. The new system makes finding better deals feel effortless rather than like a chore.

Workflow plan

6 months
  • 01 — User research phase  3 weeks
  • 02 — Competitor analysis 1 week
  • 03 — Wireframing & prototyping 3 weeks
  • 04 — Visual design system  4 weeks
  • 05 — Mobile app design  8 weeks
  • 06 — Browser extension rebuild  6 weeks
  • 07 — Testing & optimization 4 weeks

Technology stack

Grab some popcorn—these transformation stories are better than your favorite Netflix series, minus the dramatic cliffhangers.

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Figma

Google Analytics

Miro

Node JS

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Results

Results

4.4X more users who stick.

The redesigned JOSEPHA platform delivered impressive user engagement improvements. Monthly active users grew by 340% within six months of launch. Session duration improved by 65% as users found deals faster and stayed engaged longer. The streamlined mobile experience reduced bounce rates from 78% to 23%.

Revenue metrics showed equally strong performance gains. Average transaction value increased 42% through better product discovery features. User retention improved dramatically with 89% of new users returning within their first week. The enhanced sharing functionality generated 156% more referral traffic, creating organic growth that reduced customer acquisition costs significantly.

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Our clients say

"It was very interesting to hear their ideas. Very smart guys and easy to work with. They brought fresh perspectives to our data science LMS that we hadn't considered.

Their creative web design and development balanced innovation with educational needs perfectly, and they were remarkably responsive throughout the project."

Greensighter Client

Nedko Krastev

Founder at 365 Careers

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