# Deirdre Lawless vs UCD Library

The clearest difference is update cadence: UCD Library at every 5 weeks against Deirdre Lawless's every 11 months. Deirdre Lawless's advantage is iOS requirement (13.0 vs 15.6). 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.

Deirdre Lawless ships an update every 11 months, UCD Library every 5 weeks. The most recent releases landed on October 12, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Deirdre Lawless | UCD Library |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 5 weeks** |
| Size | 48 MB | 50 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Phorest](https://appshunter.io/developer/623199517) | [University College of Dublin](https://appshunter.io/developer/459396984) |

## What reviewers say

### Deirdre Lawless

[App page](https://appshunter.io/ios/app/deirdre-lawless/id1062311565)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### UCD Library

[App page](https://appshunter.io/ios/app/ucd-library/id1563948374)

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

**In-app purchases:** none


## Frequently asked questions

### Is Deirdre Lawless free?

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

### Is UCD Library free?

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

### Do Deirdre Lawless or UCD Library have ads?

Neither Deirdre Lawless nor UCD Library shows ads.

### Which is updated more often, Deirdre Lawless or UCD Library?

Deirdre Lawless ships an update every 11 months, and UCD Library every 5 weeks. Most recently, Deirdre Lawless was updated on October 12, 2026 and UCD Library on October 7, 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.*