# SBN UBO vs Kazuma Comics

SBN UBO and Kazuma Comics are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

SBN UBO ships an update every 3 months, Kazuma Comics every 5 months. The most recent releases landed on October 29, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | SBN UBO | Kazuma Comics |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (4 ratings)](https://appshunter.io/ios/app/sbn-ubo/id938696113/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 5 months |
| Monetization | Free | — |
| Size | 67 MB | 23 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [DOT BEYOND SRL](https://appshunter.io/developer/1384557126) | [kazuma srl](https://appshunter.io/developer/1778696762) |

## What reviewers say

### SBN UBO

[App page](https://appshunter.io/ios/app/sbn-ubo/id938696113)

Manage your library loans, reserve books, and access digital content directly from your smartphone. This app provides a convenient way to stay connected to your local library, offering features like a digital library card and multilingual support.

**Highlights:** Search and reserve books, Manage library loans, Access digital content, Digital library card, Manage multiple accounts, Multilingual support

**Features:** Vision Pro support

**In-app purchases:** none


### Kazuma Comics

[App page](https://appshunter.io/ios/app/kazuma-comics/id6737987704)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SBN UBO free?

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

### Is Kazuma Comics free?

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

### Do SBN UBO or Kazuma Comics have ads?

Neither SBN UBO nor Kazuma Comics shows ads.

### Which is updated more often, SBN UBO or Kazuma Comics?

SBN UBO ships an update every 3 months, and Kazuma Comics every 5 months. Most recently, SBN UBO was updated on October 29, 2026 and Kazuma Comics 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.*