# VollstR/Kasse vs BookPlayer

The clearest difference is in-app purchases: VollstR/Kasse at none against BookPlayer's 15. VollstR/Kasse also leads on iOS requirement (16.0 vs 26.0). BookPlayer's advantage is update cadence (every 9 days vs every 5 months) and chart position (#69 vs unranked). On price, ads and device support there is nothing between them.

Both are free to download. BookPlayer sells 11 in-app purchases, starting at $1.99 per month. VollstR/Kasse asks for nothing beyond the download.

VollstR/Kasse ships an update every 5 months, BookPlayer every 9 days. The most recent releases landed on October 24, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | VollstR/Kasse | BookPlayer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (20K ratings)](https://appshunter.io/ios/app/bookplayer/id1138219998/reviews)** |
| Number of ratings | — | **20K** |
| Positive reviews | — | 82.6% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 9 days** |
| Monetization | — | Free with in-app purchases |
| Best chart rank | — | **#69** |
| Size | 18 MB | 81 MB |
| Requires iOS | **16.0** | 26.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Verlag W. Reckinger GmbH & Co. KG](https://appshunter.io/developer/975169832) | [Gianni Carlo](https://appshunter.io/developer/1138219997) |

## What reviewers say

### VollstR/Kasse

[App page](https://appshunter.io/ios/app/vollstrkasse/id993178460)

**Features:** macOS Compatibility

**In-app purchases:** none


### BookPlayer

[App page](https://appshunter.io/ios/app/bookplayer/id1138219998)

**Currently charting:** #69 Top Free · Book, #164 Top Grossing · Book (US App Store)

This app provides a dedicated listening experience for audiobooks in M4B, M4A, MP3, and FLAC formats. It offers robust import, management, and playback features, including chapter navigation, variable playback speed, and cloud sync for seamless listening across devices.

**Highlights:** Import audiobooks via AirDrop, Files, iTunes, servers, and zip files, Manage library with progress tracking, sorting, and playlists, Advanced playback controls including speed, rewind, and volume boost, Chapter navigation and lock screen controls, Cloud sync for cross-device listening, CarPlay and Apple Watch companion app support

**Features:** macOS Compatibility, Siri integration, Apple Watch app, Vision Pro support

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Support Monthly (1 Month) | $1.99 | per month |
| Support Monthly (1 Month) | $2.99 | per month |
| Support Monthly (1 Month) | $3.99 | per month |
| Pro Monthly (1 Month) | $4.99 | per month |
| Support Monthly (1 Month) | $6.99 | per month |
| Support Monthly (1 Month) | $9.99 | per month |
| Pro Yearly (1 Year) | $49.99 | per year |
| Kind tip | $2.99 | one-time |
| Kind Tip | $2.99 | one-time |
| Excellent Tip | $4.99 | one-time |
| Incredible Tip | $9.99 | one-time |

**What reviewers like**

- 🚀 Flawless playback
- 👍 Intuitive and clean interface
- 💡 Ability to import from various sources
- 🚀 Fast and responsive
- 👍 Remembers playback position

**What reviewers complain about**

- 🐛 Occasional crashes or glitches
- 🐛 Issues with importing or playing certain files
- 🐛 Syncing issues between devices
- 🐛 Unreliable performance after updates

**Reported bugs**

- Playback issues with certain audio formats
- Importing problems with large audiobook libraries
- Crashes when deleting books

**Requested features**

- Bookmark management
- Percentage completion tracking
- Improved multi-file book handling
- Customizable sleep timer
- iCloud/cloud sync between devices


## Frequently asked questions

### Is VollstR/Kasse free?

VollstR/Kasse is free to download, with no in-app purchases.

### Is BookPlayer free?

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

### Do VollstR/Kasse or BookPlayer have ads?

Neither VollstR/Kasse nor BookPlayer shows ads.

### Which is updated more often, VollstR/Kasse or BookPlayer?

VollstR/Kasse ships an update every 5 months, and BookPlayer every 9 days. Most recently, VollstR/Kasse was updated on October 24, 2026 and BookPlayer on October 31, 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.*