Disk Mounter vs Book
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Disk Mounter
Transform your smartphone into a wireless disk drive for your computer. Easily share files, photos, and important documents securely. Offers additional tools like audio/video conversion and a secret folder for sensitive data.
- Connect smartphone as wireless disk
- Share photos and files wirelessly
- High-speed data transmission
- Secure secret folder with password/Touch ID
- Audio and video file conversion
- Photo and video editing
- Integrated music player and voice recorder
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Note : The functionality of this app is similar to the File Explorer app. It is advisable to review the File Explorer app before paying for this app. Disk Mounter is an application which connects smart phone to computer by wireless disk drive. You can use your smart phone as wireless removable disk at Mac / PC. - Connecting Mac / Pc to smart phone through wireless disk. - Sharing photo album in smart phone with Mac / PC through wireless disk folder. - Transmitting data with high speed by using 8x Speed Booster - Supporting WiFi and Personal Hotspot network - Network connection through Bonjour network from Apple - Easy recognition of all functions at a glance by simple and clear design It is designed data security system as the most important function. It is excellent to put your important files like source codes or certificate. This app is designed to secure data as priority. Such important documents, source codes or certificates would be excellent to keep in the app. Now, change the concept of connecting USB memory into the port. Just swipe your finger to connect USB memory through wireless in Smart Disk. You can always use and carry data conveniently and easily. You can install disk mounter program on your Mac / PC for free. You can download it at http://www.smartdisk.org. web site : http://www.smartdisk.org # Disk Mounter You can mount the saved files in your smart phone to Mac or Window PC conveniently. You can install disk mounter program on your Mac / PC from http://www.smartdisk.org for free. # MP3 Convert Audio and Video files (WAV, M4A, MP4, MOV, M4V, etc) can be converted to MP3 files extracted just audio. # MP4 Convert Various video files (MOV, M4V, etc) can be converted to MP4 video files. # Photo and Video Edit All photos and video can be rotated and flipped. # Music Album Artwork Picture of music album can be changed and chosen from photo album of the smart phone. # Secret Folder Any important data can be saved and kept safely in "Secret Folder". "Secret Folder" provides safe locking system, which consists of password and Touch ID. # Music Player You can play all of music files saved in your smart phone. Especially the streaming is maintaining at sleep mode or using other apps. # Camera You can take photos during video record and the screen is wider than original iPhone camera. It is involving various functions like resolution, flash and autofocus. # Voice Recorder You can record voice anytime and anywhere you want. Especially recording is maintaining at sleep mode or using other apps. # Text Editor You can simply create text file and make your important notes. # Folder Most basic data will be saved in the section “Folder”, as well as the functions of camera, voice record and media player are also used in Folder. # Album Section “Album" manages all photos and videos. You can also take and save photos in Album as well as the saved files can be copied in other sections. # Favorites You can set often used files or folders with star shaped button, and you can find and use the data easily in this section. # HTTP Sharing You can share and manage the files in your smart phone on the web browser through HTTP server. # FTP Sharing You can share and manage the files in your smart phone on the web browser through FTP server. # iTunes Folder You can manage the files in the app through iTunes program. # File Zipping and Unzipping You can zip and unzip the files or folders. # File Export Smart Disk Explorer supports exporting functions such as printing, mailing, opening other apps, and saving image files as photos in album. # App Lock Passcode The locking system will be automatically activated to protect your important data when you close the app. It supports Touch ID for convenience and safe.
Book
Create publication-ready ePub and PDF files from your manuscripts. Effortlessly transform text into formats suitable for eBook distribution and print-on-demand services. Ideal for fiction authors preparing their work for platforms like Amazon.
- Generates ePub and PDF files
- Assembles publication-ready fiction novels
- Transforms Markdown or plain text manuscripts
- Suitable for eBook distribution
- Supports print-on-demand books
- Directly integrates with Amazon
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This application generates ePub and PDF files. Use it for assembling publication ready fiction novels. Transform manuscripts written in Markdown or plain text to formats suitable for sending eBooks and print-on-demand books directly to Amazon.
Screenshots
Verdict
The clearest difference is rating: Disk Mounter at 3.8 against Book's 3.0. Disk Mounter also leads on update cadence (monthly vs every 6 months) and review sentiment (65% vs 50%). On price, ads, in-app purchases and monetization model there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Disk Mounter sells 2 one-off in-app purchases and Book sells 1 in-app purchase, starting at $4.99 per year. Whichever you choose, the download price is not the number that matters.
Disk Mounter holds the better App Store score, 3.8 against 3.0. Both are backed by a comparable volume of ratings — 9 and 2 respectively. Written reviews point the same way: 65% of Disk Mounter's written reviews are positive against 50% of Book's.
Disk Mounter ships an update monthly, Book every 6 months. The most recent releases landed on September 1, 2026 and June 1, 2026 respectively.
| Parameter | Disk Mounter | Book |
|---|---|---|
| Price | Free | Free |
| Rating | 3.8 (9 ratings) — better | 3.0 (2 ratings) |
| Positive reviews | 65.0% of reviews — better | 50.0% of reviews |
| Number of ratings | 9 — better | 2 |
| Update frequency | Monthly — better | Every 6 months |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPad |
| Requires iOS | 11.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 41 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Certchip Corp | Hexagonal Studios Limited |
Customer experience
Disk Mounter
Book
In-app purchases
Disk Mounter
- No AdsFree
- Pro Version$0.99
Book
- Book-Binder Subscription$4.991 Year








