# Piazza vs LeetCode

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.

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.

## The numbers

| Metric | Piazza | LeetCode |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.1 (282 ratings)](https://appshunter.io/ios/app/piazza/id453142230/reviews) | **[4.8 (669 ratings)](https://appshunter.io/ios/app/leetcode/id6755816119/reviews)** |
| Number of ratings | 282 | **669** |
| Positive reviews | 13.7% of reviews | **44.2% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 11 days** | Fortnightly |
| Monetization | **Free** | Freemium |
| Size | 3 MB | 110 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Piazza Technologies, Inc.](https://appshunter.io/developer/453142233) | [LeetCode](https://appshunter.io/developer/1739326909) |

## What reviewers say

### Piazza

[App page](https://appshunter.io/ios/app/piazza/id453142230)

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.

**Highlights:** Ask and answer questions, Real-time updates, Centralized class communication, Student engagement monitoring, Mobile access for students and instructors

**In-app purchases:** none

**What reviewers like**

- 🚀 Useful app
- 🚀 Great for tracking classes
- 🚀 Convenient mobile access

**What reviewers complain about**

- 🐛 Crashes frequently
- 🐛 Buggy and unreliable
- 🐛 Lacks key features from web version
- 🐛 Poor user interface and navigation
- 🔒 Login and authentication issues

**Reported bugs**

- Inability to post or reply
- Randomly logs out users
- Fails to load posts and resources
- Incompatible with newer iOS versions

**Requested features**

- 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

[App page](https://appshunter.io/ios/app/leetcode/id6755816119)

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.

**Highlights:** 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

**Features:** macOS Compatibility, Vision Pro support, iPhone Duo support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LeetCode Premium Monthly | $35.00 | per month |
| LeetCode Premium Yearly | $159.00 | per year |


## Frequently asked questions

### Is Piazza free?

Piazza is free to download, with no in-app purchases.

### Is LeetCode free?

LeetCode is free to download, with in-app purchases available.

### Which has better reviews, Piazza or LeetCode?

LeetCode is rated higher. Piazza averages 2.1 out of 5 from 282 ratings, while LeetCode averages 4.8 from 669 ratings.

### Do Piazza or LeetCode have ads?

Neither Piazza nor LeetCode shows ads.

### Which is updated more often, Piazza or LeetCode?

Piazza ships an update every 11 days, and LeetCode fortnightly. Most recently, Piazza was updated on October 30, 2026 and LeetCode on October 31, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*