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Case study — Marketplace

Avisdevente
Online marketplace app

Avisdevente set out to bring order to the scattered world of online classifieds. Krify designed and built a single classifieds marketplace app where people across several countries can buy, sell and promote almost anything from cars and property to jobs and electronics and so on with smart search, local relevance and paid visibility built in from day one. It runs on Android, IOS and the Web App.
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Project Snapshot

A smarter marketplace for buying and selling across countries.

Avisdevente brings buyers and sellers together across multiple categories and countries through a unified digital marketplace. Krify designed and developed the platform with localised discovery, advanced search, streamlined ad posting, seller tools, and paid promotion built into the experience.

Client

Avisdevente

Industry

Online classifieds / marketplace

Platforms

Android, iOS & Web

Categories

Real estate · Vehicles · Jobs · Electronics & many more

Reach

Multi-country, with localised listings

Services

Mobile & Web App Development · UI/UX · Search & Geolocation

The Challenge

Bringing order to a fragmented classifieds experience.

Online classifieds are everywhere, but they rarely feel joined up. Avisdevente wanted to give buyers and sellers one dependable place to trade across categories and countries.

Unified browse and search architecture

Seller profiles with trust signals built in

Filter system that never leaves the results

Consistent 8pt spacing across 60+ screens

Our Solution

One marketplace.Multiple categories.
Smarter discovery.

Localised for every market

Country-specific listings and location relevance help buyers discover what matters in their local market.

Manage listings with ease

A seller dashboard makes it simple to create, edit, renew and close ads from one place.

Built-in ways to stand out

Tiered memberships and paid promotion let sellers boost their reach, while country-localised feeds keep results relevant.

One marketplace, many categories

A single app spanning property, vehicles, jobs, electronics and more, organised so anything is easy to browse.

Search that actually finds things

Keyword and location search with category filters surfaces the most relevant listings in seconds.

Sell in minutes

A streamlined, photo-friendly posting flow gets a listing live with very little effort.
Key Features

One place to buy, sell, and discover.

One design system, two mental models. Sellers get tools that feel like a business; buyers never see the machinery behind them.

Advanced search and filters

Keyword and location-based search with category filtering to narrow results quickly.

Quick ad creation

Post a listing with photos and full detail in just a few steps.

Membership and promotion tiers

Subscription plans and visibility boosts for sellers who want more exposure.

Country-localised listings

Results tailored to each market the marketplace serves.

Seller dashboard

Create, edit, renew and close ads across their whole lifecycle from one place.

Secure accounts and moderation

Safe sign-in plus admin moderation to keep the marketplace genuine and trustworthy.

Product Experience

One design system across the marketplace experience.

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Technology Behind the Build

Built on a reliable mobile and web foundation.

Mobile apps

Native Android and
Android Studio

iOS

Swift and Xcode

Web & back end

PHP and
HTML front end

Database

SQLite

Core services

Keyword & location search, Category filtering Secure authentication and Admin moderation

Scalability

Built to absorb growing volumes as more categories and countries come on board.