# JoinU @Harvard vs AG2 Space

The clearest difference is update cadence: AG2 Space at weekly against JoinU @Harvard's monthly. JoinU @Harvard's advantage is iOS requirement (13.4 vs 15.6). 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.

JoinU @Harvard ships an update monthly, AG2 Space weekly. The most recent releases landed on October 11, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | JoinU @Harvard | AG2 Space |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/ag2-space/id6788541784/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Monetization | — | Free |
| Size | 26 MB | 73 MB |
| Requires iOS | **13.4** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Harvard University](https://appshunter.io/developer/382088726) | [AG2](https://appshunter.io/developer/6788541786) |

## What reviewers say

### JoinU @Harvard

[App page](https://appshunter.io/ios/app/joinu-harvard/id6459098232)

**Features:** macOS Compatibility

**In-app purchases:** none


### AG2 Space

[App page](https://appshunter.io/ios/app/ag2-space/id6788541784)

Secure team messaging with voice and video channels, plus AI agent collaboration. Built on the open Matrix protocol, it offers end-to-end encryption and privacy-focused push notifications. Supports multi-account usage for seamless team communication.

**Highlights:** Secure team messaging, Voice and video channels, AI agent collaboration, End-to-end encryption, Privacy-focused notifications, Multi-account support

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

**In-app purchases:** none


## Frequently asked questions

### Is JoinU @Harvard free?

JoinU @Harvard is free to download, with no in-app purchases.

### Is AG2 Space free?

AG2 Space is free to download, with no in-app purchases.

### Do JoinU @Harvard or AG2 Space have ads?

Neither JoinU @Harvard nor AG2 Space shows ads.

### Which is updated more often, JoinU @Harvard or AG2 Space?

JoinU @Harvard ships an update monthly, and AG2 Space weekly. Most recently, JoinU @Harvard was updated on October 11, 2026 and AG2 Space on October 6, 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.*