Comparison

USB Sharp vs Gigastone i

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Portable wireless storage
  • File management
  • Multiple file upload
  • Encrypted archive extraction
  • Document reader
  • Photo viewer
  • Video player
Features
Read full description

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

About

Gigastone i

Manage, store, and transfer files between your iOS devices and computers. Stream audio and video directly from external storage without using device capacity. Features include a document viewer, file manager, voice recorder, and text editor.

Highlights
  • Direct audio/video playback from external storage
  • File management and transfer
  • Document viewer
  • Voice recorder
  • Text editor
  • Clipboard pasting for text and images
Read full description

Features: 1. Play audio files directly from the i-FlashDrive accessory without taking capacity from your iOS devices. 2. Play video files directly from the i-FlashDrive app accessory without taking capacity from your iOS devices. 3. Paste from Clipboard. Select text in Safari or email, copy and paste in i-FlashDrive app into a single text file, or from Camera Roll, copy and paste in i-FlashDrive app as image files. i-FlashDrive allows you to store, view and manage files on your iPad, iPhone or iPod touch. Exchange files between your iOS devices and Mac/PC. i-FlashDrive features document viewer, file manager, voice recorder, text editor and other features. i-FlashDrive also supports many file management operations: i.e. copy, mode, delete, share and more. Supported File Formats: Document: Pages, Numbers, Keynote, doc, docx, xls, xlsx, ppt, pptx, rtf, txt, html, pdf Image: jpg, png, bmp, gif, tif, tiff, ico, xbm, cur Audio: mp3, aac, m4a, aif, aiff, wav, caf, FLAC Video: mp4, mov, m4v (without DRM), mkv, avi, flv, rm, rmvb, wmv, vob, 3gp Other: zip

Screenshots

USB Sharp2 screens
Gigastone i4 screens

Verdict

The call

The clearest difference is review sentiment: USB Sharp at 63% against Gigastone i's 19%. USB Sharp also leads on rating (3.1 vs 2.5). Gigastone i'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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. USB Sharp sells 6 one-off in-app purchases. Gigastone i asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

USB Sharp holds the better App Store score, 3.1 against 2.5. Both are backed by a comparable volume of ratings — 18 and 39 respectively. Written reviews point the same way: 63% of USB Sharp's written reviews are positive against 19% of Gigastone i's.

UpkeepUpdate frequency

USB Sharp ships an update every 3 weeks, Gigastone i every 5 weeks. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

Scorecard6 real differences · 4 level
USB Sharp versus Gigastone i: the parameters behind the verdict, then further details
ParameterUSB SharpGigastone i
PriceFreeFree
Rating3.1 (18 ratings) — better2.5 (39 ratings)
Positive reviews62.9% of reviews — better18.9% of reviews
Number of ratings1839 — better
Update frequencyEvery 3 weeks — betterEvery 5 weeks
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.010.0 — better
Further details — not scored
Size55 MB205 MB
Age rating4+4+
Developer锦文 游PhotoFast Global Inc.

Customer experience

USB Sharp

All ratings18 ratings
Positive44.4%
Neutral11.1%
Negative44.4%
Written reviews237 reviews
Positive62.9%
Neutral6.8%
Negative30.4%

Gigastone i

All ratings39 ratings
Positive35.9%
Neutral5.1%
Negative59.0%
Written reviews74 reviews
Positive18.9%
Neutral6.8%
Negative74.3%

In-app purchases

6 purchases

USB Sharp

One-time6
  • Remove ads$0.99
  • Music Player$0.99
  • Dropbox$0.99
Show 3 more
  • Video Player$0.99
  • SkyDrive$0.99
  • Full Version$2.99
None

Gigastone i

No in-app purchases

Questions

Is USB Sharp free?
USB Sharp is free to download, with in-app purchases available.
Is Gigastone i free?
Gigastone i is free to download, with no in-app purchases.
Which has better reviews, USB Sharp or Gigastone i?
USB Sharp is rated higher. USB Sharp averages 3.1 out of 5 from 18 ratings, while Gigastone i averages 2.5 from 39 ratings.
Do USB Sharp or Gigastone i have ads?
USB Sharp shows ads; Gigastone i does not.
Which is updated more often, USB Sharp or Gigastone i?
USB Sharp ships an update every 3 weeks, and Gigastone i every 5 weeks. Most recently, USB Sharp was updated on October 29, 2026 and Gigastone i on October 24, 2026.

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