# Piazza vs MIT Atlas

The clearest difference is rating: MIT Atlas at 3.1 against Piazza's 2.1. MIT Atlas also leads on review sentiment (29% vs 14%). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

MIT Atlas holds the better App Store score, 3.1 against 2.1. Both are backed by a comparable volume of ratings — 277 and 203 respectively. Written reviews point the same way: 14% of Piazza's written reviews are positive against 29% of MIT Atlas's.

Piazza ships an update fortnightly, MIT Atlas every 9 days. The most recent releases landed on September 21, 2026 and August 29, 2026 respectively.

## The numbers

| Metric | Piazza | MIT Atlas |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.1 (277 ratings)](https://appshunter.io/ios/app/piazza/id453142230/reviews) | **[3.1 (203 ratings)](https://appshunter.io/ios/app/mit-atlas/id1498222646/reviews)** |
| Number of ratings | **277** | 203 |
| Positive reviews | 14.3% of reviews | **28.6% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 9 days** |
| Monetization | Free | Free |
| Size | 3 MB | 303 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Piazza Technologies, Inc.](https://appshunter.io/developer/453142233) | [Massachusetts Institute of Technology](https://appshunter.io/developer/353590322) |

## 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


### MIT Atlas

[App page](https://appshunter.io/ios/app/mit-atlas/id1498222646)

This app serves the MIT community by acting as a digital key to the Institute. It enables your MIT ID, grants access to campus spaces, and connects you with essential systems and support for your work.

**Highlights:** Digital MIT ID, Campus space access, System and support interaction, Navigate MIT world

**Features:** Apple Wallet, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Piazza free?

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

### Is MIT Atlas free?

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

### Which has better reviews, Piazza or MIT Atlas?

MIT Atlas is rated higher. Piazza averages 2.1 out of 5 from 277 ratings, while MIT Atlas averages 3.1 from 203 ratings.

### Do Piazza or MIT Atlas have ads?

Neither Piazza nor MIT Atlas shows ads.

### Which is updated more often, Piazza or MIT Atlas?

Piazza ships an update fortnightly, and MIT Atlas every 9 days. Most recently, Piazza was updated on September 21, 2026 and MIT Atlas on August 29, 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.*