# CampusGroups vs Columbia Engineering HammerHub

The clearest difference is rating: CampusGroups at 4.4 against Columbia Engineering HammerHub's 4.0. CampusGroups also leads on ratings volume (5.3K vs 4). On price, update cadence, ads 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.

CampusGroups holds the better App Store score, 4.4 against 4.0. That said, the two scores are not equally well evidenced: CampusGroups has 5.3K ratings behind it against 4, so its average is the more settled of the two.

CampusGroups ships an update every 3 weeks, Columbia Engineering HammerHub fortnightly. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | CampusGroups | Columbia Engineering HammerHub |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (5.3K ratings)](https://appshunter.io/ios/app/campusgroups/id566688504/reviews)** | [4.0 (4 ratings)](https://appshunter.io/ios/app/columbia-engineering-hammerhub/id6758626423/reviews) |
| Number of ratings | **5.3K** | 4 |
| Positive reviews | 12.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | Free | Free |
| Size | 77 MB | 85 MB |
| Requires iOS | 17.4 | 17.4 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [Novalsys, Inc](https://appshunter.io/developer/566688507) | [Columbia University](https://appshunter.io/developer/405514802) |

## What reviewers say

### CampusGroups

[App page](https://appshunter.io/ios/app/campusgroups/id566688504)

This app fosters private campus communities for student organizations, departments, and teams. It provides tools for communication, event management, membership tracking, and payments, enhancing student engagement and group leadership.

**Highlights:** Upcoming events, Event registrations, Campus & group feeds, Directory & profiles, Chat, Attendance tracking, Dedicated event app

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 📆 Helpful for campus events
- 🔗 Integrates with school accounts

**What reviewers complain about**

- 🐢 Slow loading times
- 🐛 Frequent crashes and bugs
- 🤔 Confusing and unintuitive UI
- 🔄 Constant need to re-login
- 🚫 Missing critical features

**Reported bugs**

- Unable to register for events
- Events not showing up correctly
- App freezing or crashing on launch
- Login issues and invalid email errors

**Requested features**

- Add calendar view for events
- Improve event registration flow
- Enhance search and filtering options
- Provide better notification management


### Columbia Engineering HammerHub

[App page](https://appshunter.io/ios/app/columbia-engineering-hammerhub/id6758626423)

This application serves as a central platform for campus life, connecting students with organizations, events, and important news. It facilitates discovery of opportunities and peer interaction within the engineering school.

**Highlights:** Campus engagement hub, Student organization connections, Event discovery, Important updates, Peer connection

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

**In-app purchases:** none


## Frequently asked questions

### Is CampusGroups free?

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

### Is Columbia Engineering HammerHub free?

Columbia Engineering HammerHub is free to download, with no in-app purchases.

### Which has better reviews, CampusGroups or Columbia Engineering HammerHub?

CampusGroups is rated higher. CampusGroups averages 4.4 out of 5 from 5.3K ratings, while Columbia Engineering HammerHub averages 4.0 from 4 ratings.

### Do CampusGroups or Columbia Engineering HammerHub have ads?

Neither CampusGroups nor Columbia Engineering HammerHub shows ads.

### Which is updated more often, CampusGroups or Columbia Engineering HammerHub?

CampusGroups ships an update every 3 weeks, and Columbia Engineering HammerHub fortnightly. Most recently, CampusGroups was updated on October 23, 2026 and Columbia Engineering HammerHub on October 24, 2026.

---

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