# Dudley Libraries vs Zen Coach App

The clearest difference is in-app purchases: Dudley Libraries at none against Zen Coach App's 2. Zen Coach App's advantage is iOS requirement (13.0 vs 15.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Zen Coach App sells 2 in-app purchases, starting at $5.99 per month. Dudley Libraries asks for nothing beyond the download.

Dudley Libraries ships an update every 3 months, Zen Coach App every 2 months. The most recent releases landed on October 5, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Dudley Libraries | Zen Coach App |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 50 MB | 24 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Greenwich Leisure Limited](https://appshunter.io/developer/1378282896) | [Hugo Varloud-Meyer](https://appshunter.io/developer/1825643957) |

## What reviewers say

### Dudley Libraries

[App page](https://appshunter.io/ios/app/dudley-libraries/id1641117736)

Manage your library account on the go. Search the catalog, renew borrowed items, and place holds on new books directly from your mobile device.

**Highlights:** Account management, Catalog search, Renewals, Reservations, Mobile access

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

**In-app purchases:** none


### Zen Coach App

[App page](https://appshunter.io/ios/app/zen-coach-app/id6748404637)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Zen Coach Premium Monthly | $5.99 | per month |
| Zen Coach Premium | $59.99 | per year |


## Frequently asked questions

### Is Dudley Libraries free?

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

### Is Zen Coach App free?

Zen Coach App is free to download, with in-app purchases available.

### Do Dudley Libraries or Zen Coach App have ads?

Neither Dudley Libraries nor Zen Coach App shows ads.

### Which is updated more often, Dudley Libraries or Zen Coach App?

Dudley Libraries ships an update every 3 months, and Zen Coach App every 2 months. Most recently, Dudley Libraries was updated on October 5, 2026 and Zen Coach App on October 19, 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.*