# Curtin Student Guild vs CATOPTICA

The clearest difference is in-app purchases: Curtin Student Guild at none against CATOPTICA's 2. Curtin Student Guild also leads on ads (none vs shown). CATOPTICA's advantage is update cadence (every 3 days vs every 6 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. CATOPTICA sells 2 in-app purchases, starting at $1.99 per month. Curtin Student Guild asks for nothing beyond the download.

Curtin Student Guild ships an update every 6 months, CATOPTICA every 3 days. The most recent releases landed on October 7, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Curtin Student Guild | CATOPTICA |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 months | **Every 3 days** |
| Size | 166 MB | 108 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 12+ |
| Developer | [MSL Membership Solutions Ltd](https://appshunter.io/developer/1076872752) | [CATOPTICA PTY LTD](https://appshunter.io/developer/1800596143) |

## What reviewers say

### Curtin Student Guild

[App page](https://appshunter.io/ios/app/curtin-student-guild/id6738097474)

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

**In-app purchases:** none


### CATOPTICA

[App page](https://appshunter.io/ios/app/catoptica/id6742934576)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CATOPTICA Monthly | $1.99 | per month |
| Ad-Free & Offline Access | $7.99 | per year |


## Frequently asked questions

### Is Curtin Student Guild free?

Curtin Student Guild is free to download, with no in-app purchases.

### Is CATOPTICA free?

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

### Do Curtin Student Guild or CATOPTICA have ads?

CATOPTICA shows ads; Curtin Student Guild does not.

### Which is updated more often, Curtin Student Guild or CATOPTICA?

Curtin Student Guild ships an update every 6 months, and CATOPTICA every 3 days. Most recently, Curtin Student Guild was updated on October 7, 2026 and CATOPTICA on October 24, 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.*