# Grey District Library vs Isaac Libraries

Grey District Library 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.

Grey District Library ships an update every 3 months, Isaac Libraries every 2 months. The most recent releases landed on October 2, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Grey District Library | Isaac Libraries |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Size | 50 MB | 50 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Department of Internal Affairs](https://appshunter.io/developer/1442760439) | [Isaac Regional Council](https://appshunter.io/developer/1634577093) |

## What reviewers say

### Grey District Library

[App page](https://appshunter.io/ios/app/grey-district-library/id1490594191)

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

**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 Grey District Library free?

Grey District Library 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 Grey District Library or Isaac Libraries have ads?

Neither Grey District Library nor Isaac Libraries shows ads.

### Which is updated more often, Grey District Library or Isaac Libraries?

Grey District Library ships an update every 3 months, and Isaac Libraries every 2 months. Most recently, Grey District Library was updated on October 2, 2026 and Isaac Libraries on October 3, 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.*