# React Universe App — Powered by Callstack

> Powered by Callstack (iPhone/iPad app by CALLSTACK IO SP Z O O.)

- Source: https://appshunter.io/ios/app/react-universe-app/id6749635427 (this page in markdown: same URL + `.md`)
- Developer: [CALLSTACK IO SP Z O O](https://appshunter.io/developer/1278761390)
- Category: Business
- Price: Free
- Age rating: 4+
- Requires: iOS 15.1 · 41 MB
- Languages: English
- Released: 2025-08-18
- Data updated: 2026-05-17
- User reviews in markdown: https://appshunter.io/ios/app/react-universe-app/id6749635427/reviews.md

## What is React Universe App?

Your event companion — powered by Callstack
React Universe App helps you get the most out of every tech event. Whether you're attending a conference or meetup, this app makes it easy to connect, explore, and stay informed. No passwords or accounts — just sign up with your email and go.


## Version history (last 4 releases)

### 1.0.3 — 2025-09-04

We fixed the bugs we found on the first day of the conference

### 1.0.2 — 2025-09-03

We fixed bugs

### 1.0.1 — 2025-09-01

We fixed bugs and polished the application's look and feel.

### 1.0 — 2025-08-18

No release notes.

## Apps similar to React Universe App

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Innovation Forum](https://appshunter.io/ios/app/innovation-forum/id6477825487) | — | Free | Business |
| [WBR Events](https://appshunter.io/ios/app/wbr-events/id1663403581) | 4.8 (320) | Free | Business |
| [Darktrace Event Experiences](https://appshunter.io/ios/app/darktrace-event-experiences/id6746779659) | — | Free | Business |
| [ONE Future Annual Workshop](https://appshunter.io/ios/app/one-future-annual-workshop/id6742271509) | — | Free | Business |
| [ReSource Pro LLC](https://appshunter.io/ios/app/resource-pro-llc/id6739633903) | — | Free | Business |
| [Team Events](https://appshunter.io/ios/app/team-events/id6743500511) | 4.4 (5) | Free | Business |

## More apps by CALLSTACK IO SP Z O O

- [React Native EU 2018](https://appshunter.io/ios/app/react-native-eu-2018/id1433908537)
- [React Native EU 2019](https://appshunter.io/ios/app/react-native-eu-2019/id1478123517)
- [React Native Paper](https://appshunter.io/ios/app/react-native-paper/id1548934513)
- [React Universe Conf 2024](https://appshunter.io/ios/app/react-universe-conf-2024/id6654924147)

All apps by CALLSTACK IO SP Z O O: https://appshunter.io/developer/1278761390

---

*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-05-17.*