# Mackay Libraries vs Isaac Libraries

Mackay Libraries and Isaac Libraries are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Mackay Libraries ships an update every 3 months, Isaac Libraries every 2 months. The most recent releases landed on June 25, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Mackay Libraries | Isaac Libraries |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 50 MB | 50 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Mackay Regional Council](https://appshunter.io/developer/485998311) | [Isaac Regional Council](https://appshunter.io/developer/1634577093) |

## What reviewers say

### Mackay Libraries

[App page](https://appshunter.io/ios/app/mackay-libraries/id1490272652)

Manage your library account on the go. Search the catalog, renew borrowed items, and place holds on new books directly from your mobile device.

**Highlights:** Manage library account, Search catalog, Renew books, Reserve books, Access from iPhone, iPad, iPod Touch

**Features:** macOS Compatibility

**In-app purchases:** none


### Isaac Libraries

[App page](https://appshunter.io/ios/app/isaac-libraries/id1634577091)

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

**In-app purchases:** none


## Frequently asked questions

### Is Mackay Libraries free?

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

### Is Isaac Libraries free?

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

### Do Mackay Libraries or Isaac Libraries have ads?

Neither Mackay Libraries nor Isaac Libraries shows ads.

### Which is updated more often, Mackay Libraries or Isaac Libraries?

Mackay Libraries ships an update every 3 months, and Isaac Libraries every 2 months. Most recently, Mackay Libraries was updated on June 25, 2026 and Isaac Libraries on September 15, 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.*