# Piazza vs CoRe MSU

The clearest difference is review sentiment: CoRe MSU at 100% against Piazza's 14%. CoRe MSU also leads on rating (5.0 vs 2.1) and iOS requirement (13.0 vs 15.6). Piazza's advantage is update cadence (every 11 days vs every 2 months) and ratings volume (279 vs 4). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

CoRe MSU holds the better App Store score, 5.0 against 2.1. That said, the two scores are not equally well evidenced: Piazza has 279 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 14% of Piazza's written reviews are positive against 100% of CoRe MSU's.

Piazza ships an update every 11 days, CoRe MSU every 2 months. The most recent releases landed on October 18, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Piazza | CoRe MSU |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.1 (279 ratings)](https://appshunter.io/ios/app/piazza/id453142230/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/core-msu/id1532771497/reviews)** |
| Number of ratings | **279** | 4 |
| Positive reviews | 14.2% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 11 days** | Every 2 months |
| Monetization | Free | Free |
| Size | 3 MB | 47 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Piazza Technologies, Inc.](https://appshunter.io/developer/453142233) | [MICHIGAN STATE UNIVERSITY](https://appshunter.io/developer/1140154569) |

## What reviewers say

### Piazza

[App page](https://appshunter.io/ios/app/piazza/id453142230)

This platform facilitates communication and learning for higher education. Students can ask and answer questions, while instructors can monitor student engagement. It provides real-time updates and a centralized space for class interactions.

**Highlights:** Ask and answer questions, Real-time updates, Centralized class communication, Student engagement monitoring, Mobile access for students and instructors

**In-app purchases:** none

**What reviewers like**

- 🚀 Useful app
- 🚀 Great for tracking classes
- 🚀 Convenient mobile access

**What reviewers complain about**

- 🐛 Crashes frequently
- 🐛 Buggy and unreliable
- 🐛 Lacks key features from web version
- 🐛 Poor user interface and navigation
- 🔒 Login and authentication issues

**Reported bugs**

- Inability to post or reply
- Randomly logs out users
- Fails to load posts and resources
- Incompatible with newer iOS versions

**Requested features**

- Dark mode option
- Ability to access course materials
- Improved formatting and editing tools
- Better organization of posts and discussions
- Seamless integration with web version


### CoRe MSU

[App page](https://appshunter.io/ios/app/core-msu/id1532771497)

This app connects freshman engineering students with real-world challenges and resources. Participate in events to earn coins, shop for items, and climb the leaderboard. Access information about peer leaders and track your participation history.

**Highlights:** Event notifications, Earn coins for participation, Shop with CoRe Coins, Student leaderboard, Access to resources, Peer leader information

**In-app purchases:** none


## Frequently asked questions

### Is Piazza free?

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

### Is CoRe MSU free?

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

### Which has better reviews, Piazza or CoRe MSU?

CoRe MSU is rated higher. Piazza averages 2.1 out of 5 from 279 ratings, while CoRe MSU averages 5.0 from 4 ratings.

### Do Piazza or CoRe MSU have ads?

Neither Piazza nor CoRe MSU shows ads.

### Which is updated more often, Piazza or CoRe MSU?

Piazza ships an update every 11 days, and CoRe MSU every 2 months. Most recently, Piazza was updated on October 18, 2026 and CoRe MSU on October 16, 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.*