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Organized by Software Mansion, powered by the community.

App.js Conf

Join the biggest React Native & Expo-focused conference.

28–30 May ‘25
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Kraków, Poland
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Workshops

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Animations and Interactions – Intro

Kacper Kapuściak
Catalin Miron

Animations and Interactions – Advanced

Kacper Kapuściak
Catalin Miron

Performance – analysis & optimization techniques

Krzysztof Piaskowy
Tomasz Zawadzki

Mobile & Web with React Native

TBA
TBA

Brownfield Integrations

Mariusz Stanisz
Wojciech Lewicki

3d graphics with WebGPU, Three.js & Reanimated

TBA
TBA

Production-ready Patterns for EAS Update

TBA
TBA

Fine-tuning for the “Native Feel”

TBA
TBA

About App.js Conf

App.js Conf is the biggest React Native and Expo-focused conference hosted in Kraków. Across three days, you’ll meet the creators and contributors to React Native and Expo, share ideas, connect with the community, and shape the future of app development.

Each year, App.js Conf brings together top contributors, experts, and speakers from companies like Meta, Microsoft, Shopify, and Amazon.

Looking for the React Native & Expo event of 2025? Here’s your sign to join us.

App.js Conf 2024 in numbers

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27 000 +

live-stream views

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27

speakers

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24

talks

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500 +

attendees on-site

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See the talks from last year's edition

Aaron Grinder youtube thumbnailKadi Kraman youtube thumbnailKrzysztof Magiera youtube thumbnail
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Brought to you by

Organizer

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Software Mansion is a software development agency focused on building developer tools and open-source software. We're the React Native core contributors, experts in multimedia & streaming and community builders.

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Main Partner

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With Expo, you can create universal native apps with React that run on Android, iOS, and the web. Expo builds a whole ecosystem of tools that will help you to develop, review and deploy your apps with ease.

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See the sponsorship offer
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Our previous sponsors

Venue

Stara Zajezdnia venue outside

Stara Zajezdnia

12 Świętego Wawrzyńca

31-060 Kraków

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Frequently asked questions

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Don't just wait.

Join us.

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Are you interested in speaking at App.js 2025 or sponsoring our event? Contact us directly for any conference-related inquiries!
contact@appjs.co
paulina.macuga@swmansion.com
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