Our projects

Native iOS and Android apps for sports fan who can use it to support their teams with cheering even if they cannot watch the game from the stands.

With TrackingDays users don’t need to worry if their stay in a foreign country lasts too long. The app keeps track of days spent abroad. It is now used in 60 countries, mostly by global expats and non-residents.

Native Android & iOS apps for one of the safest cryptocurrency exchange platforms in the world. CoinDeal lets users buy and sell cryptocurrencies by choosing from over 50 currency pairs.

Native Android and iOS apps for a free online marketplace where users sell and buy services and goods. Sprzedajemy.pl is dedicated mostly to individual sellers. It’s integrated with Facebook to let users verify each other’s credibility.

App that provides Amazon vendors with complex accountant support. Our goal was to deliver a robust solution that enables communication with tax authorities.

Native Android app for trans.INFO,
a popular website and forum about transport and logistics with over 40 000 articles. It’s visited by 1.5 mln readers every month. trans.INFO app provides its users with the latest news on logistics, delivery chain and transport.

Educational app for Direct Language Lab – Polish publishing house that specializes in coursebooks for learning foreign languages based on direct method. Students in over 30 countries use DD Lab publications in language schools.

This app is a visualization tool for assembly of ZPSO ROSA products. It helps users compose a full park or street lighting set.

A collection of digital books and a tool for creating small booklets with drawings and stickers.

The app features books, animations, games, and movies.

Troldeliv, which means ‘’The Life of Trolls’’, is an adaptation of a popular Danish comics inspired by runic legends and by the spell casts of the old, prepared in the direct cooperation with the authors of the original story.

This app works as a music player designed for children. It's integrated with Spotify.

Smølferne is a Scandinavian series of applications with movies and games for the youngest users.

In this app both children and adults will find audiobooks, books, cartoons, and mini-games.

Emerald is the ultimate tool for monitoring air parameters at home. The app gathers data from Emerald devices using Bluetooth Low Energy and lets you inspect air quality, temperature, humidity and pressure from multiple devices.

The application includes audiobooks and movies as well as a series of games and awesome animations.

Traditional books and cartoons about Donald Duck’s adventures have been adapted for the mobile users, and enhanced by adding mini-games and cartoons.

CRWSH is an iOS app with a gigantic car wash base with companies from many countries, so your car can be clean anywhere you are.

This app showcases the original illustrations by E.H.Shepard, transformed into interactive animations. It also features an informative chapter on the background of the stories.

CAB4YOU lets you hail a cab via your smartphone, so there's no need to call anybody. It's available both on Android and iOS devices.

Bamse, the world’s strongest bear, is the most favourite bear of children in Sweden. The application includes the most popular audiobooks, movies, and games.

This mobile app is a digital equivalent of a plastic store card. Thanks to Arkady Wroclawskie app, the user has full access to discounts at shops, restaurants, and service centers.

The Sigia project enables legally-binding agreements with eIDAS-based signatures compliant with the EU law.

The official Drift Masters Championship app. It contains the calendar of events of the DMEC cycle, detailed information on each event and news sent via PUSH notifications.

This mobile app gives users a full access to discounts valid at Sky Tower shopping mall. The app also features news section.

Aura is an innovative approach to online communication. Using augmented reality, it allows users to communicate their mood through real objects and places.

The mobile app for Wrocław Opera is the first production realized by Holdapp using Flutter technology. The app offers users access to the full theater repertoire and news related to this cultural institution.