# Piazza vs BU Reserve

The clearest difference is rating: BU Reserve at 4.2 against Piazza's 2.1. BU Reserve also leads on update cadence (weekly vs fortnightly). Piazza's advantage is ads (none vs shown) and ratings volume (277 vs 10). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

BU Reserve holds the better App Store score, 4.2 against 2.1. That said, the two scores are not equally well evidenced: Piazza has 277 ratings behind it against 10, so its average is the more settled of the two. Written reviews complicate that: 14% of Piazza's written reviews are positive against 0% of BU Reserve's, so the app with the better star average is not the one people write more warmly about.

Piazza ships an update fortnightly, BU Reserve weekly. The most recent releases landed on September 21, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Piazza | BU Reserve |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.1 (277 ratings)](https://appshunter.io/ios/app/piazza/id453142230/reviews) | **[4.2 (10 ratings)](https://appshunter.io/ios/app/bu-reserve/id6476447928/reviews)** |
| Number of ratings | **277** | 10 |
| Positive reviews | **14.3% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | **Free** | Ad-supported |
| Size | 3 MB | 4 MB |
| Requires iOS | 15.6 | **14.6** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Piazza Technologies, Inc.](https://appshunter.io/developer/453142233) | [Chase Lenhart](https://appshunter.io/developer/1726764721) |

## 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


### BU Reserve

[App page](https://appshunter.io/ios/app/bu-reserve/id6476447928)

This application allows users to make reservations for various resources. It simplifies the booking process for available items and services.

**Highlights:** Resource reservation, Booking system, Simplified process

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Piazza free?

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

### Is BU Reserve free?

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

### Which has better reviews, Piazza or BU Reserve?

BU Reserve is rated higher. Piazza averages 2.1 out of 5 from 277 ratings, while BU Reserve averages 4.2 from 10 ratings.

### Do Piazza or BU Reserve have ads?

BU Reserve shows ads; Piazza does not.

### Which is updated more often, Piazza or BU Reserve?

Piazza ships an update fortnightly, and BU Reserve weekly. Most recently, Piazza was updated on September 21, 2026 and BU Reserve on September 10, 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.*