# Luton Libraries vs IDMK

The clearest difference is ads: Luton Libraries at none against IDMK's shown. IDMK's advantage is update cadence (every 2 days vs every 2 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

Luton Libraries ships an update every 2 months, IDMK every 2 days. The most recent releases landed on October 6, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Luton Libraries | IDMK |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | Free | — |
| Size | 50 MB | 58 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Active Luton](https://appshunter.io/developer/1337617370) | [Manjunandan Vernekar](https://appshunter.io/developer/1530961626) |

## What reviewers say

### Luton Libraries

[App page](https://appshunter.io/ios/app/luton-libraries/id1082544630)

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

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

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

**In-app purchases:** none


### IDMK

[App page](https://appshunter.io/ios/app/idmk/id6745975669)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Luton Libraries free?

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

### Is IDMK free?

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

### Do Luton Libraries or IDMK have ads?

IDMK shows ads; Luton Libraries does not.

### Which is updated more often, Luton Libraries or IDMK?

Luton Libraries ships an update every 2 months, and IDMK every 2 days. Most recently, Luton Libraries was updated on October 6, 2026 and IDMK on October 1, 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.*