Piazza vs HackPSU Mobile
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Piazza
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.
- Ask and answer questions
- Real-time updates
- Centralized class communication
- Student engagement monitoring
- Mobile access for students and instructors
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Piazza is the leading social learning platform for higher education, used by hundreds of thousands of students and more than 15 thousand professors for centralized class communications and polling. If you're a student, the Piazza app lets you ask and answer questions in all your Piazza classes from your mobile device, and updates you in real time when your peers are engaged. If you're an instructor, the app gives you a simple way to check in on your students during those spare moments between meetings. Stay connected to your class with Piazza!
HackPSU Mobile
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.
- Event and workshop information
- Personalized event starring
- Push notifications for starred events
- QR code for event check-in
- Quick access to home screen info
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Welcome to HackPSU! Sign in to find quick info on the home screen and upcoming events and workshops! Star events/workshops to get notifications for them! The app contains your QR code so you can easily check in at registration and workshops on the day of the event.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Piazza | HackPSU Mobile |
|---|---|---|
| Price | Free | Free |
| Rating | 2.1 (279 ratings) | 5.0 (6 ratings) — better |
| Positive reviews | 14.2% of reviews | 100.0% of reviews — better |
| Number of ratings | 279 — better | 6 |
| Update frequency | Every 11 days — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 12.0 — better |
| Further details — not scored | ||
| Size | 3 MB | 41 MB |
| Age rating | 4+ | 4+ |
| Developer | Piazza Technologies, Inc. | Rahul Ramkumar |
Customer experience
Piazza
HackPSU Mobile
Bugs and requests
Piazza
Reported bugs
4 issues- Inability to post or reply
- Randomly logs out users
- Fails to load posts and resources
- Incompatible with newer iOS versions
Requested features
5 requests- 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
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Piazza
No in-app purchases
HackPSU Mobile
No in-app purchases
Questions
Is Piazza free?
Is HackPSU Mobile free?
Which has better reviews, Piazza or HackPSU Mobile?
Do Piazza or HackPSU Mobile have ads?
Which is updated more often, Piazza or HackPSU Mobile?
Other comparisons
