USB Sharp vs iMemomate
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
USB Sharp
Transform your iPhone or iPad into a portable wireless storage disk for efficient file management. Upload multiple files via Chrome and Firefox, extract encrypted RAR archives, and organize documents, photos, and videos with ease.
- Portable wireless storage
- File management
- Multiple file upload
- Encrypted archive extraction
- Document reader
- Photo viewer
- Video player
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USB Sharp can turn your iPhone, ipad, ipod into a large Capacity, Portable and Wireless storage disk, Facilitate and efficient manage of your files! -------------------------------------------------------- V1.1.1 Updates 1. Chrome and Firefox Supported upload multiple files 2. Extract files from encryption .rar -------------------------------------------------------- V1.1.0 Updates ** Optimization pdf reader ** Support for importing videos/photos to Photo Library ** Support for exporting video from Photo Library -------------------------------------------------------- V1.0.4 Updates ** Search file(folder) name function added ** Picture Viewer Improved ** Unzip type added -------------------------------------------------------- V1.0.3 Updates New Features: ** add authentication for local login ** add authentication for wifi transfer ** Sorting by file size -------------------------------------------------------- V1.0.2 Updates * E-book reader (.epub) * Encryption folder, protect your files * Images thumbnail * Full screen view files Supported -------------------------------------------------------- V1.0.1 Updates * Open files in other applications specifically as follows: **** Facilitate and efficient manage files * Sorting by file name、create time and file type * View, copy, move, delete, rename, email, zip Compression and unzip files/folders * Extract all files from a compressed .zip file * Glide deleting function * Select all and DeSelect all * Transferring files by wifi and itunes file sharing * Email multiple files, folder Supported * Photo import Supported * Landscape mode supported * iPad-compatible **** Facilitate and efficient view files * Photo View, Zoom, move * Players, support mp3、m4a、aac and mp4 * Document reader, .pdf .rtf .rtfd .doc .docx etc * Multi-touch Supported, Zoom files * Bookmark supported, fast file location **** Facilitate and efficient edit plain files * Convert plain file encoding (Unicode,UTF-8 etc) * Plain file content copy, cut, paste and replace * External file copy and paste **** Add plain text(default encoding UTF-8), photos(from Camera) and folders **** Support Simplified Chinese and English USBSharp support list of file types: e-book: .epub Plain text: .txt Document: .pdf .csv .rtf .rtfd .doc .docx .xls .xlsx .ppt .pptx (office 2003 or later) Image: .png .jpg .jpeg .gif .bmp .xbm .tif .tiff Audio: .mp3 .m4a .aac Video: .mp4 .mov .m4v .3gp Web: .htm .html .xhtml Compressed: .zip .rar
iMemomate
Manage files on a dual-connector USB drive. Transfer data between your iOS device and computer, back up photos and contacts, and play media directly from the drive.
- Browse files on USB drive
- Transfer files between iOS and USB
- Backup photos to USB
- Backup and restore contacts
- Direct music and movie playback
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iMemomate is a USB drive with 2 connectors: 1, USB3.0 A, to connect to Mac or PC. In this way, iMemomate acts as a general USB drive. Users can manager files in it, copy, cut, past or delete, ect. Users can also browse files in it directly, including preview documents, playback music and movies. 2, Apple lightning connector, to connect to iOS device with lightning connector. With this app, iMemomate, users can manager files in it, copy, cut, past or delete, ect. Users can also browse files in it directly, including preview documents such as .txt, .doc, .pdf, playback music and movies. (More information could be found on the website http://www.idiskk.com) iMemomate is the App of the iMemomate drive, it supports the following features: * Browse files in the iMemomate. * Browse files in the app. * Transfer files between the iMemomate and the app. * Backup photo in the iOS device to iMemomate. * Backup and restore the contacts in the iOS device. * Independent music and movie playback.
Screenshots
Verdict
The clearest difference is review sentiment: USB Sharp at 53% against iMemomate's 8%. USB Sharp also leads on rating (3.1 vs 2.5). iMemomate's advantage is in-app purchases (none vs 6) and ads (none vs shown). On price, ratings volume, update cadence and device support 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. USB Sharp sells 6 one-off in-app purchases. iMemomate asks for nothing beyond the download.
USB Sharp holds the better App Store score, 3.1 against 2.5. Both are backed by a comparable volume of ratings — 18 and 15 respectively. Written reviews point the same way: 53% of USB Sharp's written reviews are positive against 8% of iMemomate's.
USB Sharp ships an update every 3 weeks, iMemomate every 2 weeks. The most recent releases landed on September 21, 2026 and September 29, 2026 respectively.
| Parameter | USB Sharp | iMemomate |
|---|---|---|
| Price | Free | Free |
| Rating | 3.1 (18 ratings) — better | 2.5 (15 ratings) |
| Positive reviews | 53.2% of reviews — better | 8.3% of reviews |
| Number of ratings | 18 — better | 15 |
| Update frequency | Every 3 weeks | Every 2 weeks — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 8.0 — better |
| Further details — not scored | ||
| Size | 55 MB | 21 MB |
| Age rating | 4+ | 4+ |
| Developer | 锦文 游 | Shenzhen Feitianxia Technology Co, Ltd. |
Customer experience
USB Sharp
iMemomate
In-app purchases
USB Sharp
- Remove ads$0.99
- Music Player$0.99
- Dropbox$0.99
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- Video Player$0.99
- SkyDrive$0.99
- Full Version$2.99
iMemomate
No in-app purchases









