# Mobile@HKUL (HKU Libraries) vs ECEAA

The clearest difference is update cadence: ECEAA at every 2 weeks against Mobile@HKUL (HKU Libraries)'s every 4 months. ECEAA also leads on iOS requirement (13.0 vs 16.0). 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.

Mobile@HKUL (HKU Libraries) ships an update every 4 months, ECEAA every 2 weeks. The most recent releases landed on September 30, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Mobile@HKUL (HKU Libraries) | ECEAA |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Size | 69 MB | 125 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [HKU Libraries](https://appshunter.io/developer/1513119976) | [Palmify](https://appshunter.io/developer/1719494206) |

## What reviewers say

### Mobile@HKUL (HKU Libraries)

[App page](https://appshunter.io/ios/app/mobilehkul-hku-libraries/id1513119977)

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

**In-app purchases:** none


### ECEAA

[App page](https://appshunter.io/ios/app/eceaa/id6473687455)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Mobile@HKUL (HKU Libraries) free?

Mobile@HKUL (HKU Libraries) is free to download, with no in-app purchases.

### Is ECEAA free?

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

### Do Mobile@HKUL (HKU Libraries) or ECEAA have ads?

Neither Mobile@HKUL (HKU Libraries) nor ECEAA shows ads.

### Which is updated more often, Mobile@HKUL (HKU Libraries) or ECEAA?

Mobile@HKUL (HKU Libraries) ships an update every 4 months, and ECEAA every 2 weeks. Most recently, Mobile@HKUL (HKU Libraries) was updated on September 30, 2026 and ECEAA on September 19, 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.*