# ACU vs Spirax Study App

The clearest difference is review sentiment: Spirax Study App at 60% against ACU's 16%. Spirax Study App also leads on update cadence (every 6 weeks vs every 9 months). ACU's advantage is device support (3 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

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

ACU ships an update every 9 months, Spirax Study App every 6 weeks. The most recent releases landed on July 29, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | ACU | Spirax Study App |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 16.0% of reviews | **60.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 6 weeks** |
| Monetization | Free | Free |
| Size | 13 MB | 214 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Australian Catholic University](https://appshunter.io/developer/903801474) | [ACCO Brands USA LLC](https://appshunter.io/developer/594765823) |

## What reviewers say

### ACU

[App page](https://appshunter.io/ios/app/acu/id903801471)

This app enhances the university experience for students and visitors by providing access to course materials, personal timetables, exam results, campus maps, and library resources. It also offers student news and contact information for university support services.

**Highlights:** Access course materials via Canvas, View personalized timetables, Check exam results, Navigate campuses with searchable maps, Find library resources, Stay updated with student news, Contact university support

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

**In-app purchases:** none


### Spirax Study App

[App page](https://appshunter.io/ios/app/spirax-study-app/id6461415063)

Transform handwritten notes into digital flashcards with this app. Simply scan specially designed paper, and your notes are converted for easy editing and organization by subject. Sync to cloud storage for access on any device.

**Highlights:** Scan handwritten notes, Create digital flashcards, Edit and customize flashcards, Organize by subject, Sync to Google Drive, Study anywhere, anytime

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ACU free?

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

### Is Spirax Study App free?

Spirax Study App is free to download, with no in-app purchases.

### Do ACU or Spirax Study App have ads?

Neither ACU nor Spirax Study App shows ads.

### Which is updated more often, ACU or Spirax Study App?

ACU ships an update every 9 months, and Spirax Study App every 6 weeks. Most recently, ACU was updated on July 29, 2026 and Spirax Study App on September 23, 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.*