# Morse Code Master vs Book Isle

The clearest difference is in-app purchases: Morse Code Master at none against Book Isle's 3. Book Isle's advantage is update cadence (every 8 days vs every 6 months) and iOS requirement (15.6 vs 17.0). On price, review sentiment, ads and device support there is nothing between them.

Morse Code Master costs $0.99 and Book Isle $0.99 up front. Book Isle sells 3 in-app purchases, starting at $0.99 per month. Morse Code Master asks for nothing beyond the download.

Morse Code Master ships an update every 6 months, Book Isle every 8 days. The most recent releases landed on September 29, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Morse Code Master | Book Isle |
| --- | --- | --- |
| Price | $0.99 | $0.99 |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/book-isle/id6766198898/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | **100.0% of reviews** | 94.1% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 8 days** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 1 MB | 50 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 9+ |
| Developer | [博 彭](https://appshunter.io/developer/1293268076) | [Anyi County Bingzhiyi Trading Co., Ltd.](https://appshunter.io/developer/1544707793) |

## What reviewers say

### Morse Code Master

[App page](https://appshunter.io/ios/app/morse-code-master/id1663425426)

Easily encode and decode Morse code with support for International and English variations. Features automatic playback, an alphabet reference, common phrases, and text-to-speech conversion for enhanced understanding.

**Highlights:** Morse code encoding and decoding, International and English Morse code support, Automatic playback function, Morse code alphabet reference, Common phrase list, Text to speech conversion

**Features:** Vision Pro support

**In-app purchases:** none


### Book Isle

[App page](https://appshunter.io/ios/app/book-isle/id6766198898)

This app allows you to connect to your personal NAS, WebDAV, SMB, OPDS, or Calibre library to import, browse, search, download, and read local and remote books. It supports a wide range of file formats and offers a robust local reading experience with features like full-text search and highlighting.

**Highlights:** Connect to NAS, WebDAV, SMB, OPDS, Calibre, Import and manage multiple book formats, Full-text search and bookmarking, Remote reading and downloading, Private synchronization of reading progress, Face ID app lock for privacy

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly membership | $0.99 | per month |
| Annual Membership | $2.99 | per year |
| Permanent member | $7.99 | one-time |


## Frequently asked questions

### Is Morse Code Master free?

Morse Code Master costs $0.99, with no in-app purchases.

### Is Book Isle free?

Book Isle costs $0.99, and also offers in-app purchases.

### Do Morse Code Master or Book Isle have ads?

Neither Morse Code Master nor Book Isle shows ads.

### Which is updated more often, Morse Code Master or Book Isle?

Morse Code Master ships an update every 6 months, and Book Isle every 8 days. Most recently, Morse Code Master was updated on September 29, 2026 and Book Isle on October 12, 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.*