# JoinU @Harvard vs Cristo Rey Cornerstone

The clearest difference is device support: JoinU @Harvard at 3 against Cristo Rey Cornerstone's —. JoinU @Harvard also leads on iOS requirement (13.4 vs 15.1). On price, update cadence and in-app purchases 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, Cristo Rey Cornerstone every 5 weeks. The most recent releases landed on October 17, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | JoinU @Harvard | Cristo Rey Cornerstone |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | **Monthly** | Every 5 weeks |
| Size | 26 MB | 74 MB |
| Requires iOS | **13.4** | 15.1 |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 17+ |
| Developer | [Harvard University](https://appshunter.io/developer/382088726) | [Mark Bazin](https://appshunter.io/developer/1142402803) |

## What reviewers say

### JoinU @Harvard

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Cristo Rey Cornerstone

[App page](https://appshunter.io/ios/app/cristo-rey-cornerstone/id6757407449)

**In-app purchases:** none


## Frequently asked questions

### Is JoinU @Harvard free?

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

### Is Cristo Rey Cornerstone free?

Cristo Rey Cornerstone is free to download, with no in-app purchases.

### Which is updated more often, JoinU @Harvard or Cristo Rey Cornerstone?

JoinU @Harvard ships an update monthly, and Cristo Rey Cornerstone every 5 weeks. Most recently, JoinU @Harvard was updated on October 17, 2026 and Cristo Rey Cornerstone on October 7, 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.*