Piazza vs CCC Problems
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!
CCC Problems
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CCC Problems helps students prepare for the Canadian Computing Competition (CCC). * Access past problems with clean formatting * Write and test Python or Java solutions * Track your progress and improve your problem-solving skills Whether you're aiming for the Junior or Senior division, CCC Problems makes it easy to study and succeed. Copyright Notice Past CCC problems © University of Waterloo, Centre for Education in Mathematics and Computing (CEMC). Used under the CEMC’s educational use policy for non-commercial, educational purposes. This app is not affiliated with or endorsed by the University of Waterloo or CEMC.
Screenshots
Verdict
The clearest difference is update cadence: Piazza at every 11 days against CCC Problems's every 3 months. Piazza also leads on iOS requirement (15.6 vs 18.5). On price, ads, in-app purchases and device support 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 every 11 days, CCC Problems every 3 months. The most recent releases landed on October 10, 2026 and September 25, 2026 respectively.
| Parameter | Piazza | CCC Problems |
|---|---|---|
| Price | Free | Free |
| Rating | 2.1 (279 ratings) — better | — |
| Positive reviews | 14.2% of reviews | — |
| Number of ratings | 279 — better | — |
| Update frequency | Every 11 days — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.6 — better | 18.5 |
| Further details — not scored | ||
| Size | 3 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Piazza Technologies, Inc. | TT Math School Inc |
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
CCC Problems
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Piazza
No in-app purchases
CCC Problems
No in-app purchases
