# HKUST Alumni vs Preface.ai

The clearest difference is update cadence: Preface.ai at every 3 weeks against HKUST Alumni's every 3 months. HKUST Alumni's advantage is iOS requirement (13.4 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

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

HKUST Alumni ships an update every 3 months, Preface.ai every 3 weeks. The most recent releases landed on October 21, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | HKUST Alumni | Preface.ai |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/hkust-alumni/id1435768421/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 28.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 21 MB | 64 MB |
| Requires iOS | **13.4** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [The Hong Kong University of Science and Technology](https://appshunter.io/developer/332536363) | [Preface Coding](https://appshunter.io/developer/1567531648) |

## What reviewers say

### HKUST Alumni

[App page](https://appshunter.io/ios/app/hkust-alumni/id1435768421)

Access your Alum eCard for exclusive campus and alumni entrepreneur offers. Apply for library and sports services directly through the app and use your mobile eCard for seamless access.

**Highlights:** Digital Alum eCard, Campus offers access, Alumni entrepreneur deals, Library service application, Sports service application, Mobile eCard for access

**Features:** macOS Compatibility

**In-app purchases:** none


### Preface.ai

[App page](https://appshunter.io/ios/app/prefaceai/id6541761017)

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

**In-app purchases:** none


## Frequently asked questions

### Is HKUST Alumni free?

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

### Is Preface.ai free?

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

### Do HKUST Alumni or Preface.ai have ads?

Neither HKUST Alumni nor Preface.ai shows ads.

### Which is updated more often, HKUST Alumni or Preface.ai?

HKUST Alumni ships an update every 3 months, and Preface.ai every 3 weeks. Most recently, HKUST Alumni was updated on October 21, 2026 and Preface.ai on October 8, 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.*