Piazza vs Courses@HKU
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!
Courses@HKU
This application helps HKU undergraduate students plan and select their courses. It requires login to the HKU Portal to access information.
- Course planning assistance
- Course selection guidance
- HKU Portal login required
- Information for undergraduates
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The Courses@HKU provides information to assist undergraduate students of HKU in planning and choosing courses to take. This application requires login to HKU Portal.
Screenshots
Verdict
The clearest difference is update cadence: Piazza at fortnightly against Courses@HKU's every 3 months. Piazza also leads on review sentiment (14% vs 0%). Courses@HKU's advantage is iOS requirement (10.0 vs 15.6). 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.
Piazza ships an update fortnightly, Courses@HKU every 3 months. The most recent releases landed on September 30, 2026 and September 29, 2026 respectively.
| Parameter | Piazza | Courses@HKU |
|---|---|---|
| Price | Free | Free |
| Rating | 2.1 (279 ratings) — better | — |
| Positive reviews | 14.2% of reviews — better | 0.0% of reviews |
| Number of ratings | 279 — better | — |
| Update frequency | Fortnightly — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 10.0 — better |
| Further details — not scored | ||
| Size | 3 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Piazza Technologies, Inc. | The University of Hong Kong |
Customer experience
Piazza
Courses@HKU
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
Courses@HKU
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Piazza
No in-app purchases
Courses@HKU
No in-app purchases
