Piazza vs Top Hat
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!
Top Hat
Enhance your learning experience with interactive resources, in-class participation tools, and dynamic digital textbooks. Engage with professors and peers, and test your knowledge with quizzes and polls to improve comprehension and retention.
- Follow lecture slides on your device
- In-class response system
- In-app discussions with peers and professors
- Dynamic, interactive digital textbooks
- Take polls and quizzes
- Access graded and non-graded homework
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Top Hat is the perfect companion app to our comprehensive assessment platform that helps you learn better before, during and after class. Top Hat makes learning fun and engaging (seriously!) and sets you up for success, helping you connect with your professors, your peers and the content you’re learning in and out of the classroom. Here’s what Top Hat offers you: Compelling resources, delivered on your smartphone or laptop: • Follow your prof’s lecture slides on your own device • Contribute in class with an easy-to-use response system that’s always with you • Participate with your profs and peers using in-app discussions Content tailored to your course: • Experience dynamic, interactive textbooks loaded up with images, videos, audio clips and more • Read your digital materials from anywhere and keep them forever Quizzes, tests and polls that improve learning comprehension: • Challenge yourself by taking polls and quizzes on your own devices • Improve your knowledge retention with interactive assessment elements • Check for gaps in your understanding with graded and non-graded homework and short quizzes Thanks for using Top Hat. As you experience the app, we’d love to get your feedback: support@tophat.com or follow us on Instagram, Twitter or Facebook @TopHat
Screenshots
Verdict
The clearest difference is rating: Top Hat at 4.6 against Piazza's 2.1. Top Hat also leads on ratings volume (23K vs 279) and chart position (#150 vs unranked). Piazza's advantage is iOS requirement (15.6 vs 17.0). On price, review sentiment, update cadence and ads 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.
Top Hat holds the better App Store score, 4.6 against 2.1. That said, the two scores are not equally well evidenced: Top Hat has 23K ratings behind it against 279, so its average is the more settled of the two. Written reviews split almost evenly too, at 14% and 15% positive.
Piazza ships an update every 11 days, Top Hat fortnightly. Both last shipped on October 14, 2026.
| Parameter | Piazza | Top Hat |
|---|---|---|
| Price | Free | Free |
| Rating | 2.1 (279 ratings) | 4.6 (23K ratings) — better |
| Positive reviews | 14.2% of reviews | 14.6% of reviews — better |
| Number of ratings | 279 | 23K — better |
| Update frequency | Every 11 days — better | Fortnightly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Best chart rank | — | #150 — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.6 — better | 17.0 |
| Further details — not scored | ||
| Size | 3 MB | 162 MB |
| Age rating | 4+ | 4+ |
| Developer | Piazza Technologies, Inc. | Top Hat Monocle |
Customer experience
Piazza
Top Hat
User reviews
Piazza
From 279 App Store ratingsWhat we love
- 🚀 Useful app
- 🚀 Great for tracking classes
- 🚀 Convenient mobile access
Room to improve
- 🐛 Crashes frequently
- 🐛 Buggy and unreliable
- 🐛 Lacks key features from web version
- 🐛 Poor user interface and navigation
- 🔒 Login and authentication issues
Top Hat
From 23K App Store ratingsWhat we love
- 🚀 Smooth and intuitive interface
- 👍 Useful for attendance and in-class quizzes
- 💡 Potential for interactive learning
Room to improve
- 🐛 Frequent crashes and bugs
- 🔋 High battery consumption
- 💰 Expensive subscription fees
- 🔒 Privacy concerns with location tracking
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
Top Hat
Reported bugs
3 issues- Answers not registering correctly
- Slides not loading properly on mobile devices
- Inconsistent performance across platforms
Requested features
3 requests- Add page numbers and search functionality to ebooks
- Improve syncing between mobile and web versions
- Allow more flexible location settings for attendance
In-app purchases
Piazza
No in-app purchases
Top Hat
No in-app purchases
