# Audibook vs COBISS Plus

The clearest difference is in-app purchases: COBISS Plus at none against Audibook's 15. COBISS Plus also leads on update cadence (weekly vs every 5 weeks). Audibook's advantage is iOS requirement (15.0 vs 18.2). On price, ads and device support there is nothing between them.

Both are free to download. Audibook sells 8 one-off in-app purchases. COBISS Plus asks for nothing beyond the download.

Audibook ships an update every 5 weeks, COBISS Plus weekly. The most recent releases landed on October 17, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Audibook | COBISS Plus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (3 ratings)](https://appshunter.io/ios/app/audibook/id1204426479/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 47 MB | 33 MB |
| Requires iOS | **15.0** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [Audibook](https://appshunter.io/developer/1204426478) | [IZUM](https://appshunter.io/developer/687682315) |

## What reviewers say

### Audibook

[App page](https://appshunter.io/ios/app/audibook/id1204426479)

Listen to a vast library of audiobooks in multiple languages, with offline playback and a user-friendly bookmark system. Enjoy free samples before borrowing or buying, and discover new releases through in-app news. New users receive a 60-day free trial.

**Highlights:** Offline audiobook playback, Multilingual library (EN, SL, HR, DE), Free audio samples, Advanced bookmark system, In-app news for new releases, Customizable settings, 60-day free trial

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Audiobook borrow | $5.99 | one-time |
| Audiobook borrow | $6.99 | one-time |
| audiobook borrow | $6.99 | one-time |
| Audiobook borrow | $7.99 | one-time |
| audiobook borrow | $8.99 | one-time |
| Audibook purchase | $24.99 | one-time |
| Audibook purchase | $29.99 | one-time |
| Audibook purchase | $34.99 | one-time |


### COBISS Plus

[App page](https://appshunter.io/ios/app/cobiss-plus/id6757426945)

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

**In-app purchases:** none


## Frequently asked questions

### Is Audibook free?

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

### Is COBISS Plus free?

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

### Do Audibook or COBISS Plus have ads?

Neither Audibook nor COBISS Plus shows ads.

### Which is updated more often, Audibook or COBISS Plus?

Audibook ships an update every 5 weeks, and COBISS Plus weekly. Most recently, Audibook was updated on October 17, 2026 and COBISS Plus on October 14, 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.*