# ABS Admin vs Tower

The clearest difference is in-app purchases: Tower at none against ABS Admin's 3. ABS Admin's advantage is iOS requirement (17.0 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. ABS Admin sells 3 one-off in-app purchases. Tower asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 5 days. The most recent releases landed on November 10, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | ABS Admin | Tower |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/abs-admin-audiobookshelf/id6788065635/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 days | Every 5 days |
| Monetization | Free | — |
| Size | 8 MB | 7 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Corey FELDMAN](https://appshunter.io/developer/1836967631) | [CARSON BOONE UNDERWOOD](https://appshunter.io/developer/1884089880) |

## What reviewers say

### ABS Admin

[App page](https://appshunter.io/ios/app/abs-admin-audiobookshelf/id6788065635)

Manage your personal audiobook and ebook server, play and read content, and organize your entire library. This app offers a comprehensive suite of tools for server administration, including metadata editing, library cleanup, and user management.

**Highlights:** Manage audiobook and ebook libraries, Built-in audiobook player, EPUB, PDF, and CBZ reader, Edit metadata and fix covers, Organize series, collections, and playlists, Upload media from cloud storage, Podcast management, User and permission management

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $0.99 | one-time |
| Medium Tip | $2.99 | one-time |
| Large Tip | $4.99 | one-time |


### Tower

[App page](https://appshunter.io/ios/app/tower-server-manager/id6796580819)

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

**In-app purchases:** none


## Frequently asked questions

### Is ABS Admin free?

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

### Is Tower free?

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

### Do ABS Admin or Tower have ads?

Neither ABS Admin nor Tower shows ads.

### Which is updated more often, ABS Admin or Tower?

ABS Admin ships an update every 5 days, and Tower every 5 days. Most recently, ABS Admin was updated on November 10, 2026 and Tower on November 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.*