Piazza vs DePaul COL
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!
DePaul COL
Access and watch your college lectures on your iPhone or iPad. This app mirrors the desktop player experience, showing lecture videos, whiteboards, and the lecturer's screen.
- View lecture videos
- Display whiteboards
- Show lecturer's computer screen
- Download lectures
- iOS/iPadOS compatibility
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DePaul COL is an iOS/iPadOS app specifically designed for the iPhone and iPad. You can download and view your COL lectures on their Apple devices. This app can display all the same screens as the desktop players, such as the video from the lecture, the whiteboards, and the lecturer’s computer screen.
Screenshots
Verdict
The clearest difference is update cadence: Piazza at every 11 days against DePaul COL's every 14 months. Piazza also leads on review sentiment (14% vs 0%). DePaul COL's advantage is iOS requirement (13.0 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 every 11 days, DePaul COL every 14 months. The most recent releases landed on October 14, 2026 and October 3, 2026 respectively.
| Parameter | Piazza | DePaul COL |
|---|---|---|
| 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 | Every 11 days — better | Every 14 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 3 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | Piazza Technologies, Inc. | DePaul University CDM_COL |
Customer experience
Piazza
DePaul COL
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
DePaul COL
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Piazza
No in-app purchases
DePaul COL
No in-app purchases
