# OPAC SBN vs BinP

The clearest difference is review sentiment: BinP at 75% against OPAC SBN's 36%. OPAC SBN's advantage is update cadence (every 9 days vs every 3 months) and iOS requirement (8.0 vs 12.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

OPAC SBN ships an update every 9 days, BinP every 3 months. Both last shipped on November 1, 2026.

## The numbers

| Metric | OPAC SBN | BinP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (4 ratings)](https://appshunter.io/ios/app/binp/id938686139/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | 36.1% of reviews | **75.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 3 months |
| Monetization | Free | Free |
| Size | 7 MB | 38 MB |
| Requires iOS | **8.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Inera Srl](https://appshunter.io/developer/786155258) | [Regione Veneto](https://appshunter.io/developer/906407911) |

## What reviewers say

### OPAC SBN

[App page](https://appshunter.io/ios/app/opac-sbn/id786155255)

Access the National Library Service catalog to find books, music, and more. Search by various criteria, view document details, and locate owning libraries. Save favorites and share information.

**Highlights:** Search catalog by various criteria, Locate owning libraries, View document details and covers, Save favorites (documents, authors, searches), Share bibliographic information, Map view of libraries, Voice search

**In-app purchases:** none


### BinP

[App page](https://appshunter.io/ios/app/binp/id938686139)

Easily search library catalogs, check item availability, and manage your loans. Discover new publications, save items to your bibliography, and suggest purchases. This app enhances your library experience with advanced search filters and personalized preferences.

**Highlights:** Search library holdings, Check document availability, Request and extend loans, Save items to personal bibliography, Suggest items for purchase, Advanced search filters, View new publications

**In-app purchases:** none


## Frequently asked questions

### Is OPAC SBN free?

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

### Is BinP free?

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

### Do OPAC SBN or BinP have ads?

Neither OPAC SBN nor BinP shows ads.

### Which is updated more often, OPAC SBN or BinP?

OPAC SBN ships an update every 9 days, and BinP every 3 months. Most recently, OPAC SBN was updated on November 1, 2026 and BinP on November 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.*