# BuB vs DVV Kiosk

The clearest difference is in-app purchases: DVV Kiosk at none against BuB's 28. DVV Kiosk also leads on ads (none vs shown). BuB's advantage is update cadence (every 12 months vs every 33 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. BuB sells 28 one-off in-app purchases. DVV Kiosk asks for nothing beyond the download.

BuB ships an update every 12 months, DVV Kiosk every 33 months. The most recent releases landed on September 14, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | BuB | DVV Kiosk |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 12 months** | Every 33 months |
| Size | 161 MB | 181 MB |
| Requires iOS | 14.0 | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Berufsverband Information Bibliothek e. V.](https://appshunter.io/developer/1124404291) | [DVV Media Group GmbH](https://appshunter.io/developer/390636708) |

## What reviewers say

### BuB

[App page](https://appshunter.io/ios/app/bub/id1124404292)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (28)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ausgabe 06/2019 | $10.99 | one-time |
| Ausgabe 05/2019 | $10.99 | one-time |
| Ausgabe 02-03/2023 | $12.99 | one-time |
| Ausgabe 04/2023 | $14.99 | one-time |
| Ausgabe 05/2023 | $14.99 | one-time |
| Ausgabe 06/2023 | $14.99 | one-time |
| Ausgabe 07/2023 | $14.99 | one-time |
| Ausgabe 08-09/2023 | $14.99 | one-time |
| Ausgabe 10/2023 | $14.99 | one-time |
| Ausgabe 11/2023 | $14.99 | one-time |
| Ausgabe 12/2023 | $14.99 | one-time |
| Ausgabe 01/2024 | $14.99 | one-time |
| Ausgabe 04/2024 | $14.99 | one-time |
| Ausgabe 05/2024 | $14.99 | one-time |
| BuB Ausgabe 02-03/2026 | $14.99 | one-time |
| Ausgabe 04/2025 | $14.99 | one-time |
| Ausgabe 06/2025 | $14.99 | one-time |
| Ausgabe 05/2025 | $14.99 | one-time |
| Ausgabe 08-09/2025 | $14.99 | one-time |
| Ausgabe 07/2025 | $14.99 | one-time |
| Ausgabe 10/2025 | $14.99 | one-time |
| Ausgabe 11/2025 | $14.99 | one-time |
| Ausgabe 02-03/2025 | $14.99 | one-time |
| Ausgabe 01/2025 | $14.99 | one-time |
| Ausgabe 12/2024 | $14.99 | one-time |
| Ausgabe 11/2024 | $14.99 | one-time |
| Ausgabe 06/2024 | $14.99 | one-time |
| Ausgabe 02-03/2024 | $15.99 | one-time |


### DVV Kiosk

[App page](https://appshunter.io/ios/app/dvv-kiosk/id1138853041)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is BuB free?

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

### Is DVV Kiosk free?

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

### Do BuB or DVV Kiosk have ads?

BuB shows ads; DVV Kiosk does not.

### Which is updated more often, BuB or DVV Kiosk?

BuB ships an update every 12 months, and DVV Kiosk every 33 months. Most recently, BuB was updated on September 14, 2026 and DVV Kiosk on September 8, 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.*