# Piazza vs Insignia SMS

The clearest difference is device support: Piazza at 3 against Insignia SMS's 1. Piazza also leads on iOS requirement (15.6 vs 17.0). On price, update cadence, ads and in-app purchases there is nothing between them.

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

Piazza ships an update every 11 days, Insignia SMS every 9 days. The most recent releases landed on October 18, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Piazza | Insignia SMS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.1 (279 ratings)](https://appshunter.io/ios/app/piazza/id453142230/reviews)** | — |
| Number of ratings | **279** | — |
| Positive reviews | 14.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 days | **Every 9 days** |
| Monetization | Free | — |
| Size | 3 MB | 77 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Piazza Technologies, Inc.](https://appshunter.io/developer/453142233) | [Insignia Software Corporation](https://appshunter.io/developer/446303759) |

## 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


### Insignia SMS

[App page](https://appshunter.io/ios/app/insignia-sms/id6802221694)

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

**In-app purchases:** none


## Frequently asked questions

### Is Piazza free?

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

### Is Insignia SMS free?

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

### Do Piazza or Insignia SMS have ads?

Neither Piazza nor Insignia SMS shows ads.

### Which is updated more often, Piazza or Insignia SMS?

Piazza ships an update every 11 days, and Insignia SMS every 9 days. Most recently, Piazza was updated on October 18, 2026 and Insignia SMS on October 6, 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.*