# Zulip vs CERN Campus

The clearest difference is rating: CERN Campus at 5.0 against Zulip's 3.7. CERN Campus also leads on monetization model (free vs free with in-app purchases) and review sentiment (50% vs 39%). Zulip's advantage is ratings volume (16 vs 3). 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.

CERN Campus holds the better App Store score, 5.0 against 3.7. That said, the two scores are not equally well evidenced: Zulip has 16 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 39% of Zulip's written reviews are positive against 50% of CERN Campus's.

Zulip ships an update monthly, CERN Campus every 3 weeks. The most recent releases landed on October 16, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Zulip | CERN Campus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (16 ratings)](https://appshunter.io/ios/app/zulip/id1203036395/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/cern-campus/id6445892891/reviews)** |
| Number of ratings | **16** | 3 |
| Positive reviews | 39.3% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 44 MB | 35 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Kandra Labs, Inc.](https://appshunter.io/developer/1194159660) | [PocketCampus Sarl](https://appshunter.io/developer/549799538) |

## What reviewers say

### Zulip

[App page](https://appshunter.io/ios/app/zulip/id1203036395)

This app provides organized team chat for groups of any size, enabling users to read and respond to messages in context. It helps maintain focus by allowing users to catch up on topics of interest at their own pace. The application is open-source and available as a cloud service or self-hosted solution.

**Highlights:** Organized team chat, Contextual message reading, Topic-based conversations, Focus maintenance, Open-source software, Cloud and self-hosted options

**Features:** Vision Pro support

**In-app purchases:** none


### CERN Campus

[App page](https://appshunter.io/ios/app/cern-campus/id6445892891)

This app serves as an all-in-one resource for the CERN community, simplifying campus life. It provides access to restaurant menus, a comprehensive phone directory, an interactive campus map, and the latest news and events. Users can also discover campus services, receive emergency notifications, and utilize an SOS button.

**Highlights:** Restaurant menus with photos and hours, CERNphone directory and contact lookup, Detailed interactive campus map, Latest CERN news and event updates, Campus service directory, Emergency notifications and SOS button

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

**In-app purchases:** none


## Frequently asked questions

### Is Zulip free?

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

### Is CERN Campus free?

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

### Which has better reviews, Zulip or CERN Campus?

CERN Campus is rated higher. Zulip averages 3.7 out of 5 from 16 ratings, while CERN Campus averages 5.0 from 3 ratings.

### Do Zulip or CERN Campus have ads?

Neither Zulip nor CERN Campus shows ads.

### Which is updated more often, Zulip or CERN Campus?

Zulip ships an update monthly, and CERN Campus every 3 weeks. Most recently, Zulip was updated on October 16, 2026 and CERN Campus on October 4, 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.*