# SLUBApp vs Belobigo

The clearest difference is in-app purchases: SLUBApp at none against Belobigo's 2. Belobigo's advantage is update cadence (every 4 days vs every 3 months) and iOS requirement (15.6 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. Belobigo sells 2 one-off in-app purchases. SLUBApp asks for nothing beyond the download.

SLUBApp ships an update every 3 months, Belobigo every 4 days. The most recent releases landed on October 7, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | SLUBApp | Belobigo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 4 days** |
| Size | 4 MB | 168 MB |
| Requires iOS | 18.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Sächsische Landesbibliothek - Staats- und Universitätsbibliothek Dresden](https://appshunter.io/developer/504858066) | [Marcus Terasa](https://appshunter.io/developer/1891479796) |

## What reviewers say

### SLUBApp

[App page](https://appshunter.io/ios/app/slubapp/id504858063)

**Features:** Vision Pro support

**In-app purchases:** none


### Belobigo

[App page](https://appshunter.io/ios/app/belobigo/id6761787709)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Card deck: Dino Adventure | $0.99 | one-time |
| Avatar-Pack: Pixelart Gaming | $0.99 | one-time |


## Frequently asked questions

### Is SLUBApp free?

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

### Is Belobigo free?

Belobigo is free to download, with in-app purchases available.

### Do SLUBApp or Belobigo have ads?

Neither SLUBApp nor Belobigo shows ads.

### Which is updated more often, SLUBApp or Belobigo?

SLUBApp ships an update every 3 months, and Belobigo every 4 days. Most recently, SLUBApp was updated on October 7, 2026 and Belobigo on October 24, 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.*