# San Leandro Public Library vs Peninsula Library System

The clearest difference is update cadence: Peninsula Library System at every 3 weeks against San Leandro Public Library's every 5 months. On price, ads, in-app purchases and device support there is nothing between them.

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

San Leandro Public Library ships an update every 5 months, Peninsula Library System every 3 weeks. The most recent releases landed on November 7, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | San Leandro Public Library | Peninsula Library System |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (3 ratings)](https://appshunter.io/ios/app/peninsula-library-system/id6670559910/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 49 MB | 50 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [San Leandro Public Library](https://appshunter.io/developer/1510767096) | [Peninsula Library System](https://appshunter.io/developer/692170824) |

## What reviewers say

### San Leandro Public Library

[App page](https://appshunter.io/ios/app/san-leandro-public-library/id1510767097)

**Features:** macOS Compatibility

**In-app purchases:** none


### Peninsula Library System

[App page](https://appshunter.io/ios/app/peninsula-library-system/id6670559910)

Access multiple public libraries in San Mateo County from your mobile device. Manage holds, renew items, search the catalog, and use your digital library card for convenient access to resources.

**Highlights:** Access multiple county libraries, Place and manage holds, Renew checked out materials, Search library catalog, Digital library card

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

**In-app purchases:** none


## Frequently asked questions

### Is San Leandro Public Library free?

San Leandro Public Library is free to download, with no in-app purchases.

### Is Peninsula Library System free?

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

### Do San Leandro Public Library or Peninsula Library System have ads?

Neither San Leandro Public Library nor Peninsula Library System shows ads.

### Which is updated more often, San Leandro Public Library or Peninsula Library System?

San Leandro Public Library ships an update every 5 months, and Peninsula Library System every 3 weeks. Most recently, San Leandro Public Library was updated on November 7, 2026 and Peninsula Library System on November 5, 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.*