Comparison

uDisk vs BackupBOT

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

Head to head
About

uDisk

Transform your iOS device into a portable USB drive. Easily transfer files between your device and computer via Wi-Fi or iTunes. Browse, play, and edit various file types directly on your phone or tablet.

Highlights
  • Use iOS device as USB disk
  • Wi-Fi file transfer
  • iTunes File Sharing
  • Browse various file types
  • Play music and video
  • Edit text files
  • Create directories and sort files
Features
Read full description

Let your iOS device become a USB disk ! You can use it to transfer files between iOS device and computer by Wifi or iTunes File Sharing. The uDisk support various files browse, music and video play, and text file editing. Tap the toolbar buttons you can view the wifi address, create a directory, sort the files, and change the view mode. Long press the file item, you can move, rename, email and delete the file. Enjoy it ! If any question and suggestion, please contact czh0766@163.com.

About

BackupBOT

Effortlessly back up your entire photo album, including Live Photos and iCloud content, to an external drive. Stream music and videos without an internet connection, and manage files between your devices and computers.

Highlights
  • One-touch photo album backup
  • Live Photo and iCloud support
  • Direct recording with pause/resume
  • PC/Mac file transfer
  • Offline music and video playback
  • Read-only drive protection
Read full description

The BackupBOT app works with Storage+'s MFi certified BackupBOT OTG drive, which has been certified to work with all Apple “i” Devices (iPhone, iPad, iPod) utilizing the lightning port. The BackupBOT offers so many incredibly useful features, such as: • Quickly perform a complete back-up of your entire photo album with just one touch. o Supports Live Photo and burst photo. o Able to import and back-up all photos and videos stored in your iCloud storage for a complete back-up o Saves money eliminating the need for the costly monthly iCloud expanded storage fees. • Live Recording Plus – Able to take photos and videos directly to the BackupBOT: o Pause & Resume recording to maintain video continuity without stopping and restarting o Supports 4K recording o Switch between front and rear cameras during recording • Easily transfer files between PC/Mac computers and your iDevices. o Supports compression files such as Zip/7z/RAR formats, including any password protection used o Supports importing/sharing files from 3rd party apps, such as Line, Whatsapp, Facebook, Dropbox, WeChat, etc. o Support iOS Files app • Set the drive to read only / write protect o Prevent others from deleting or altering any content stored on the BackupBOT to ensure the safety and integrity of your personal photos, files, etc. • Enjoy your personal music and movie collections anytime without the need for an internet connection or using the limited memory on your iPhone, iPad, iPod. o Supports Hi-Resolution music playback, including FLAC and ALAC. o Supports most video formats for playback, and stores your video watch history to quickly continue playback from the last scene played. o Fully supports playing and recording H.265 videos. o Gesture control on video playback; fast forward, rewind, control volume and brightness just by tapping or swiping the screen • Plus many other convenient features that make the BackupBOT drive even more than just an extended flash storage for your iPhone, iPad, iPod. Intuitive file management The BackupBOT offers all the critical standard file operational functions. With its state of the art user interface, you can easily access your favorite files or continue working on your most recently opened file in one step. Your digital collection BackupBOT can be your extended digital library. With built-in media players, you can listen to your favorite music or watch your stored movies and video collections effortlessly. Storing these large files on the BackupBOT for easy playback means you won’t use up the limited storage memory on your iPhone, iPad, iPod. Plus, since you can access the BackupBOT without requiring the internet, it means you can play your music and movies while traveling on a plane or in locations that do not have internet connections. Why pay a monthly subscription for added cloud storage when the BackupBOT provides necessary added storage without charging a monthly fee like a cloud storage service. BackupBOT Camera You can record 4K videos and take photos using the built-in BackupBOT camera function. The videos and photos will be saved directly to the BackupBOT drive, saving precious memory and not occupying any memory on your iPhone, iPad, iPod. Even with all these great features, the Storage+ team promises to continue enhancing the app with more and more user-friendly features that will be released periodically in the future. Make sure you keep the App updated with the latest version for the latest features and benefits. Disclaimer: Due to restrictions set by Apple, this product may have limitations with older iOS devices.

Screenshots

uDisk4 screens
BackupBOT4 screens

Verdict

The call

The clearest difference is rating: BackupBOT at 5.0 against uDisk's 4.3. BackupBOT also leads on in-app purchases (none vs 1) and update cadence (every 3 weeks vs every 2 months). uDisk's advantage is ratings volume (233 vs 7) and iOS requirement (11.0 vs 15.0). On price, ads 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. uDisk sells 1 one-off in-app purchase. BackupBOT asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

BackupBOT holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: uDisk has 233 ratings behind it against 7, so its average is the more settled of the two.

UpkeepUpdate frequency

uDisk ships an update every 2 months, BackupBOT every 3 weeks. The most recent releases landed on September 17, 2026 and September 11, 2026 respectively.

Scorecard6 real differences · 4 level
uDisk versus BackupBOT: the parameters behind the verdict, then further details
ParameteruDiskBackupBOT
PriceFreeFree
Rating4.3 (233 ratings)5.0 (7 ratings) — better
Positive reviews83.7% of reviews—
Number of ratings233 — better7
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.0 — better15.0
Further details — not scored
Size20 MB192 MB
Age rating4+4+
DeveloperShenzhen Brown Bear Technology Co., LTDVinpower Inc

Customer experience

uDisk

All ratings233 ratings
Positive82.8%
Neutral4.7%
Negative12.4%
Written reviews104 reviews
Positive83.7%
Neutral4.8%
Negative11.5%

BackupBOT

All ratings7 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

uDisk

Reported bugs

6 issues
  • Cannot save files manually
  • Material does not always show
  • Does not work after initial use
  • Cannot rotate screen
  • Does not transfer videos from phone
Show 1 more
  • No permissions requested for file access

Requested features

2 requests
  • App should be pre-loaded on the thumbdrive
  • More clarity on app functionality and safety

BackupBOT

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

uDisk

One-time1
  • Pro Version$3.99
None

BackupBOT

No in-app purchases

Questions

Is uDisk free?
uDisk is free to download, with in-app purchases available.
Is BackupBOT free?
BackupBOT is free to download, with no in-app purchases.
Which has better reviews, uDisk or BackupBOT?
BackupBOT is rated higher. uDisk averages 4.3 out of 5 from 233 ratings, while BackupBOT averages 5.0 from 7 ratings.
Do uDisk or BackupBOT have ads?
Neither uDisk nor BackupBOT shows ads.
Which is updated more often, uDisk or BackupBOT?
uDisk ships an update every 2 months, and BackupBOT every 3 weeks. Most recently, uDisk was updated on September 17, 2026 and BackupBOT on September 11, 2026.

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