DLL Ebook

Goal

We wanted to make learning foreign languages easier by using a mobile app that gives a student access to content from multiple coursebooks and tracks his progress.

DDL Ebook mobile app - Spanish-English translation

What were we responsible for?

developing a native iOS app
developing a native Android app

Biggest challenge

Clear presentation of content was our priority, even though it wasn’t easy to achieve a satisfactory result.

Why was it so important? This app gives users access to a lot of content. It had to be properly structured, so we could make navigation easy and facilitate learning.

Key features

free access to digital coursebooks user already has as paper books
unlocking with QR code
progress tracking
content grouped into categories: vocabulary, translations, and audio records
possibility to buy new digital coursebooks.

Technologies

Kotlin

Swift

Testimonials

Holdapp’s work has been met with a standing ovation. Their work is of high quality and pleases internal and external stakeholders. Customers can expect an efficient team that works to meet expectations
Tomasz Filipiuk Co-Owner, Direct Language Lab

About DLL – Direct Language Lab

It’s the Polish publishing house that specializes in coursebooks for learning foreign languages based on direct method.

Direct Language Lab was established in 2008 and ever since then it provides language schools with coursebooks. Currently, students in over 30 countries use DLL publications to become fluent in such languages as English, German, Spanish, French, Italian, Russian, Portuguese, and Polish.