# React Universe App vs aiDevCon

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.

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.

## The numbers

| Metric | React Universe App | aiDevCon |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 2 weeks |
| Size | 41 MB | 87 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Callstack.io](https://appshunter.io/developer/1278761390) | [Tessl AI Limited](https://appshunter.io/developer/6804688162) |

## What reviewers say

### React Universe App

[App page](https://appshunter.io/ios/app/react-universe-app/id6749635427)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### aiDevCon

[App page](https://appshunter.io/ios/app/aidevcon-conference-app/id6804688160)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is React Universe App free?

React Universe App is free to download, with no in-app purchases.

### Is aiDevCon free?

aiDevCon is free to download, with no in-app purchases.

### Do React Universe App or aiDevCon have ads?

Neither React Universe App nor aiDevCon shows ads.

### Which is updated more often, React Universe App or aiDevCon?

React Universe App ships an update every 2 days, and aiDevCon every 2 weeks. Most recently, React Universe App was updated on November 5, 2026 and aiDevCon on October 31, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*