Piazza vs LeetCode
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!
LeetCode
Practice coding challenges and prepare for technical interviews on the go. Track your progress, discover company-specific questions, and stay updated on coding contests. New content and features are added monthly.
- Search and discover company questions
- Practice favorite coding challenges
- Manage challenge lists and wishlists
- Track personal progress with profile view
- Stay notified of contests and streaks
- Register for contests and sync to calendar
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One LeetCode a day keeps your reasoning in play. Introducing LeetCode for iOS and iPadOS. Enjoy LeetCoding right at your fingertips — jump in for quick practice, browse your collections, and stay on top of important events and progress. With LeetCode in the palm of your hand, you can easily: • Search and discover the latest company questions. • View and quickly practice your favorite challenges right in the palm of your hand. • Manage your lists or add to your wishlist to practice later. • Keep track of your personal progress with a rich profile view and widgets. • Stay notified and keep your streak alive — level up with new challenges and quests every day. • Register for contests and sync them to your calendar. Live Activities keep you updated on contest progress — so you never miss a moment. • And more content and features coming every month… Terms of Services: https://leetcode.com/terms/ Privacy Policy: https://leetcode.com/privacy/
Screenshots
Verdict
The clearest difference is rating: LeetCode at 4.8 against Piazza's 2.1. LeetCode also leads on review sentiment (44% vs 14%). Piazza's advantage is in-app purchases (none vs 2). On price, ratings volume, 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. LeetCode sells 2 in-app purchases, starting at $35.00 per month. Piazza asks for nothing beyond the download.
LeetCode holds the better App Store score, 4.8 against 2.1. Both are backed by a comparable volume of ratings — 282 and 669 respectively. Written reviews point the same way: 14% of Piazza's written reviews are positive against 44% of LeetCode's.
Piazza ships an update every 11 days, LeetCode fortnightly. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.
| Parameter | Piazza | LeetCode |
|---|---|---|
| Price | Free | Free |
| Rating | 2.1 (282 ratings) | 4.8 (669 ratings) — better |
| Positive reviews | 13.7% of reviews | 44.2% of reviews — better |
| Number of ratings | 282 | 669 — better |
| Update frequency | Every 11 days — better | Fortnightly |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Freemium |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.6 — better | 16.0 |
| Further details — not scored | ||
| Size | 3 MB | 110 MB |
| Age rating | 4+ | 4+ |
| Developer | Piazza Technologies, Inc. | LeetCode |
Customer experience
Piazza
LeetCode
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
LeetCode
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Piazza
No in-app purchases
LeetCode
- LeetCode Premium Monthly$35.001 Month
- LeetCode Premium Yearly$159.001 Year
