React Universe App vs aiDevCon
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
React Universe App
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Your event companion โ 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 โ just sign up with your email and go.
aiDevCon
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aiDevCon is the official companion app for the AI DevCon conference, everything you need to make the most of the event, right in your pocket. PLAN YOUR DAY Browse the full schedule of talks and sessions, explore speaker profiles, and build your personal agenda. Bookmark the sessions you don't want to miss and keep track of what's next. DISCOVER Explore exhibitors and sponsors, dive into featured podcasts, and get to know the speakers shaping the future of AI development. ASK THE AI ASSISTANT Have a question about the event? Ask the built-in AI assistant and get instant answers about sessions, speakers, and logistics. PLAY & CONNECT Scan QR codes to check in, visit booths, and connect with fellow attendees. Complete quests, earn badges, climb the leaderboard, and turn the conference into a game. WORKS OFFLINE Your schedule, bookmarks, and progress are saved on your device and work even without a connection. Sign in to back up and sync across devices, completely optional. See you at aiDevCon!
Screenshots
Verdict
The clearest difference is update cadence: React Universe App at every 2 days against aiDevCon's every 2 weeks. React Universe App also leads on iOS requirement (15.1 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
React Universe App ships an update every 2 days, aiDevCon every 2 weeks. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.
| Parameter | React Universe App | aiDevCon |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 days โ better | Every 2 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod โ better | iPhone |
| Requires iOS | 15.1 โ better | 17.0 |
| Further details โ not scored | ||
| Size | 41 MB | 87 MB |
| Age rating | 4+ | 4+ |
| Developer | Callstack.io | Tessl AI Limited |
In-app purchases
React Universe App
No in-app purchases
aiDevCon
No in-app purchases
Questions
Is React Universe App free?
Is aiDevCon free?
Do React Universe App or aiDevCon have ads?
Which is updated more often, React Universe App or aiDevCon?
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