# Sowa Mobi vs PBW Warszawa

The clearest difference is update cadence: Sowa Mobi at every 3 weeks against PBW Warszawa's every 4 months. PBW Warszawa's advantage is iOS requirement (11.0 vs 15.6). 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.

Sowa Mobi ships an update every 3 weeks, PBW Warszawa every 4 months. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Sowa Mobi | PBW Warszawa |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/sowa-mobi/id1641753682/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 months |
| Monetization | Free | — |
| Size | 66 MB | 31 MB |
| Requires iOS | 15.6 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Leszek Masadynski](https://appshunter.io/developer/1641753684) | [Sygnity Business Solutions](https://appshunter.io/developer/1294687573) |

## What reviewers say

### Sowa Mobi

[App page](https://appshunter.io/ios/app/sowa-mobi/id1641753682)

Manage your library account with this app. Search catalogs, check availability, borrow, and renew books. Receive notifications for order status and due dates. Access your reader card and find nearby branches.

**Highlights:** Search library catalogs, Check book availability, Borrow and renew items, Manage reader account, Receive notifications, Locate nearby branches, Switch between library accounts

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

**In-app purchases:** none


### PBW Warszawa

[App page](https://appshunter.io/ios/app/pbw-warszawa-mprolib/id6680193464)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Sowa Mobi free?

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

### Is PBW Warszawa free?

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

### Do Sowa Mobi or PBW Warszawa have ads?

Neither Sowa Mobi nor PBW Warszawa shows ads.

### Which is updated more often, Sowa Mobi or PBW Warszawa?

Sowa Mobi ships an update every 3 weeks, and PBW Warszawa every 4 months. Most recently, Sowa Mobi was updated on October 24, 2026 and PBW Warszawa on October 27, 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.*