Comparison

uDisk vs Cmiot HDD

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

Cmiot HDD

Access, download, and manage files like movies, photos, and documents from smart storage devices. Stream videos, transfer files to free up mobile space, and automatically back up your media and contacts. Secure your data with an encrypted space and keep your device updated with OTA firmware upgrades.

Highlights
  • Access files on smart storage
  • Download files locally
  • Online video playback
  • File transfer and upload
  • Automatic backup
  • Encrypted data space
  • OTA firmware upgrade
Features
Read full description

Cmiot HDD is a designated APP that matches the use of network intelligent storage products. The main function: 1. After the mobile device is installed, the files of movies, photos, music and documents in the smart memory can be accessed through the local area network and the remote network, and can also be downloaded to the local area for viewing. 2, video playback: online viewing of videos in smart storage, supporting a variety of video formats; 3, file transfer: Support upload photos, videos and other files on the mobile device to the smart memory, release the space of mobile device ; 4, file management: support create a new folder, customized upload path, free control of the wireless memory files; 5, automatic backup: one button opens pictures, videos, contacts backup, easy and convenient management of albums; 6, encrypted space: security data is not leaked; 7, OTA firmware upgrade: support easily detect, download and upgrade the wireless memory firmware;

Screenshots

uDisk4 screens
Cmiot HDD4 screens

Verdict

The call

The clearest difference is rating: Cmiot HDD at 5.0 against uDisk's 4.3. Cmiot HDD also leads on in-app purchases (none vs 1) and iOS requirement (8.0 vs 11.0). uDisk's advantage is ratings volume (233 vs 1) and update cadence (every 2 months vs every 4 months). 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. Cmiot HDD asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Cmiot HDD 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 1, so its average is the more settled of the two.

UpkeepUpdate frequency

uDisk ships an update every 2 months, Cmiot HDD every 4 months. The most recent releases landed on October 13, 2026 and October 6, 2026 respectively.

Scorecard6 real differences · 4 level
uDisk versus Cmiot HDD: the parameters behind the verdict, then further details
ParameteruDiskCmiot HDD
PriceFreeFree
Rating4.3 (233 ratings)5.0 (1 ratings) — better
Positive reviews83.7% of reviews—
Number of ratings233 — better1
Update frequencyEvery 2 months — betterEvery 4 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.08.0 — better
Further details — not scored
Size20 MB66 MB
Age rating4+4+
DeveloperShenzhen Brown Bear Technology Co., LTD显祖 张

Customer experience

uDisk

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

Cmiot HDD

All ratings1 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

Cmiot HDD

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

uDisk

One-time1
  • Pro Version$3.99
None

Cmiot HDD

No in-app purchases

Questions

Is uDisk free?
uDisk is free to download, with in-app purchases available.
Is Cmiot HDD free?
Cmiot HDD is free to download, with no in-app purchases.
Which has better reviews, uDisk or Cmiot HDD?
Cmiot HDD is rated higher. uDisk averages 4.3 out of 5 from 233 ratings, while Cmiot HDD averages 5.0 from 1 ratings.
Do uDisk or Cmiot HDD have ads?
Neither uDisk nor Cmiot HDD shows ads.
Which is updated more often, uDisk or Cmiot HDD?
uDisk ships an update every 2 months, and Cmiot HDD every 4 months. Most recently, uDisk was updated on October 13, 2026 and Cmiot HDD on October 6, 2026.

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