# Iguana Library vs DuinTuin

The clearest difference is ads: Iguana Library at none against DuinTuin's shown. DuinTuin's advantage is update cadence (every 8 days vs every 3 weeks). 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.

Iguana Library ships an update every 3 weeks, DuinTuin every 8 days. The most recent releases landed on October 7, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Iguana Library | DuinTuin |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 6.7% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 8 days** |
| Monetization | Free | — |
| Size | 58 MB | 33 MB |
| Requires iOS | 15.0 | **14.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Infor Libraries Division](https://appshunter.io/developer/980554099) | [Trinite Soft BV](https://appshunter.io/developer/1538997753) |

## What reviewers say

### Iguana Library

[App page](https://appshunter.io/ios/app/iguana-library/id980554100)

Easily search, reserve, and renew library materials. Scan book ISBNs to check availability and manage your loans. Find library branch details, contact information, and opening hours.

**Highlights:** Search library collection, Scan ISBN barcodes, Reserve and renew items, Manage wish list, View branch information, Contact library branches

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

**In-app purchases:** none


### DuinTuin

[App page](https://appshunter.io/ios/app/duintuin/id6766541901)

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

**In-app purchases:** none


## Frequently asked questions

### Is Iguana Library free?

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

### Is DuinTuin free?

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

### Do Iguana Library or DuinTuin have ads?

DuinTuin shows ads; Iguana Library does not.

### Which is updated more often, Iguana Library or DuinTuin?

Iguana Library ships an update every 3 weeks, and DuinTuin every 8 days. Most recently, Iguana Library was updated on October 7, 2026 and DuinTuin 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.*