# Piazza vs HackPSU Mobile

The clearest difference is review sentiment: HackPSU Mobile at 100% against Piazza's 14%. HackPSU Mobile also leads on rating (5.0 vs 2.1) and iOS requirement (12.0 vs 15.6). Piazza's advantage is update cadence (every 11 days vs every 2 months) and ratings volume (279 vs 6). 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.

HackPSU Mobile 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 6, 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 HackPSU Mobile's.

Piazza ships an update every 11 days, HackPSU Mobile every 2 months. The most recent releases landed on October 10, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Piazza | HackPSU Mobile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.1 (279 ratings)](https://appshunter.io/ios/app/piazza/id453142230/reviews) | **[5.0 (6 ratings)](https://appshunter.io/ios/app/hackpsu-mobile/id1615222779/reviews)** |
| Number of ratings | **279** | 6 |
| 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 | 41 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Piazza Technologies, Inc.](https://appshunter.io/developer/453142233) | [Rahul Ramkumar](https://appshunter.io/developer/1537639102) |

## 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


### HackPSU Mobile

[App page](https://appshunter.io/ios/app/hackpsu-mobile/id1615222779)

Access event schedules, workshop details, and receive timely notifications for your favorite activities. This app also provides a scannable QR code for easy event check-ins.

**Highlights:** Event and workshop information, Personalized event starring, Push notifications for starred events, QR code for event check-in, Quick access to home screen info

**In-app purchases:** none


## Frequently asked questions

### Is Piazza free?

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

### Is HackPSU Mobile free?

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

### Which has better reviews, Piazza or HackPSU Mobile?

HackPSU Mobile is rated higher. Piazza averages 2.1 out of 5 from 279 ratings, while HackPSU Mobile averages 5.0 from 6 ratings.

### Do Piazza or HackPSU Mobile have ads?

Neither Piazza nor HackPSU Mobile shows ads.

### Which is updated more often, Piazza or HackPSU Mobile?

Piazza ships an update every 11 days, and HackPSU Mobile every 2 months. Most recently, Piazza was updated on October 10, 2026 and HackPSU Mobile 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.*