# Kringloop App vs Iguana Library

The clearest difference is review sentiment: Kringloop App at 100% against Iguana Library's 7%. Iguana Library's advantage is ads (none vs shown) and update cadence (every 3 weeks vs every 4 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.

Kringloop App ships an update every 4 months, Iguana Library every 3 weeks. The most recent releases landed on July 4, 2026 and September 6, 2026 respectively.

## The numbers

| Metric | Kringloop App | Iguana Library |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **100.0% of reviews** | 6.7% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | Ad-supported | **Free** |
| Size | 85 MB | 58 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sander Kreft](https://appshunter.io/developer/1225154418) | [Infor Libraries Division](https://appshunter.io/developer/980554099) |

## What reviewers say

### Kringloop App

[App page](https://appshunter.io/ios/app/kringloop-app/id646950383)

Discover thrift stores across the Netherlands with this app. Find locations, opening hours, and visitor reviews. Save favorites and share stores with friends.

**Highlights:** View thrift stores on a map, Search for thrift stores, Check opening hours, Access store details and photos, Read and write reviews, Save favorite stores, Share stores with others

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Kringloop App free?

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

### Is Iguana Library free?

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

### Do Kringloop App or Iguana Library have ads?

Kringloop App shows ads; Iguana Library does not.

### Which is updated more often, Kringloop App or Iguana Library?

Kringloop App ships an update every 4 months, and Iguana Library every 3 weeks. Most recently, Kringloop App was updated on July 4, 2026 and Iguana Library on September 6, 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.*