23–24 April 2020, Kraków

App.js Conf

The very first Expo & React Native conference in Europe

*The price doesn’t include 23% VAT tax.



A hands-on two-day conference with workshops and talks on React Native from Expo and Software Mansion.

15+ talks, 500 devs, 4 workshops

Dive into the React Native and Expo world and get inspired at the second edition of App.js Conf

Make sure to follow us @appjsconf!


Closer look into the future
App.js is a base. It is a place, where every React Native developer feels secure. Attend App.js Conf and meet people that joined the React Native Team at the very beginning. Talk to the authors of your favorite libraries and keep your ears on the ground for their new projects. The future of React Native is now. The future is at App.js.
Meet creators of RN & Expo
Join App.js Conf and listen to the talks by the members of the Expo team. Experience the importance of networking during the conference and run fierce discussions with speakers and other attendees at our evening event. Get first-hand Expo tips during our workshops ran by Expo's creators. Participate, discuss and boost your skills. Make your next mobile app in no time.
Contribute to open-source
The community of open-source developers is similar to a group of scientists. Most of the findings are shared with others and evaluated by them. This way, some of them become commonly accepted facts, others are denied and forgotten. That is more-less how the open-source projects work. Unlike the commercial ones, they develop much closer to the users' needs.


If you’d like to contribute to the React Native community by sharing your knowledge, there is no better place and time than App.js Conf 2020!

First edition was great and we want to make sure the App.Js Conf 2020 will bring even more valuable and entertaining talks. So we’re launching the Call For Papers with high hopes!

It starts on October 14th and will last till November 30th. In case of any questions, contact us here: contact@appjs.co

Become a Sponsor

Last year’s edition of App.js Conf brought together more than 270 participants, 26 speakers and workshop hosts from 5 continents. Click here to check out who supported us during the event.

If you would like to become a sponsor please contact us at contact@appjs.co and don’t forget to check out our sponsorship packages by clicking the button 👇

Sponsors & Partners

is the company that stands behind the free, open source project that extends React Native – a popular library that lets you control the native UI components on iOS and Android using JavaScript.

is a team of talented programmers specialized in the agile software development of web, mobile, and multimedia apps, using a broad range of technologies.


The conference will take place at KIJÓW.CENTRUM, a cinema located next to Błonia Park and directly adjacent to Kraków historic centre.

Krasińskiego 34
30-101 Kraków, Poland



@App.js Conf

Code of conduct

Our conference is dedicated to providing a harassment-free conference experience for everyone, regardless of gender, gender identity and expression, age, sexual orientation, disability, physical appearance, body size, race, ethnicity, religion (or lack thereof), or technology choices. We do not tolerate harassment of conference participants in any form. Read more

Importance of diversity

We believe in the importance of tech communities’ diversity. It is crucial for us to make a creative and safe environment for every speaker and attendee. App.js Conf should be accessible for all attendees. If you belong to a group that’s underrepresented in tech, follow us @appjsconf to find out about support options – more info coming in autumn 🌈 🦄


Software Mansion
Kraków, Poland