Comparison

iDiskk Pro vs Calendar Clock

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

Head to head
About

iDiskk Pro

Manage files on a dual-connector USB drive. Seamlessly transfer data between your iOS device and Mac/PC, back up photos and contacts, and enjoy direct playback of media files. This app unlocks the full potential of your external storage solution.

Highlights
  • Browse files on iDiskk and app
  • Transfer files between iDiskk and app
  • Backup iOS photos to iDiskk
  • Backup and restore iOS contacts
  • Direct music and movie playback
Features
Read full description

iDiskk is a USB drive with 2 connectors: 1, USB3.0 A, to connect to Mac or PC. In this way, iDiskk 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, iDiskk Pro, 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) iDiskk Pro is the App of the iDiskk drive, it supports the following features: * Browse files in the iDiskk. * Browse files in the app. * Transfer files between the iDiskk and the app. * Backup photo in the iOS device to iDiskk. * Backup and restore the contacts in the iOS device. * Independent music and movie playback.

About

Calendar Clock

This app displays the current year, month, week, and time on a single screen with a clean design. It offers customizable theme colors and functions as a desk clock. The app disables device sleep mode while active.

Highlights
  • All-in-one screen display
  • Year, month, week, day, hour, minute, second
  • Switchable theme colors (dark, light, green, blue)
  • Disables device sleep mode
  • Acts as a desk clock
Features
Read full description

Time and date, beautifully together. Calendar Clock is a simple, elegant time-and-calendar app designed for iPhone and iPad. See the current time and the entire month at a glance, with a clean interface that stays out of your way. Features * Large digital clock — View the current system time clearly and instantly. * 24-hour or 12-hour format — Swipe across the clock to switch between 24-hour and AM/PM formats. * Monthly calendar — See the full month with the current year and month displayed above it. * Swipe through months — Swipe left or right on the calendar to move between months. * Today at a glance — Today's date is highlighted with a red circle. * Weekend highlighting — Saturdays and Sundays are displayed in red. * Multiple themes — Swipe up or down to change the screen theme. * Remembers your preferences — Your selected clock format and theme are preserved. * iPhone & iPad — Designed for both iPhone and iPad. Simple by design No complicated menus. No unnecessary controls. Just the time and the calendar, exactly when you need them. Calendar Clock — See time. See your day. Note that this application disables your device's sleep mode while running, so make sure you have enough battery life. *Important notice: Use the information recoded or functionality provided in / or generated with this application only as a rough indication, rough estimates or as a rough guide. Even though we do our best to provide you with confirmed information and tried-and-tested features, the accuracy and successful operation and performance of the application are NOT GUARANTEED by us. Users are strongly advised to confirm the information of their interest with other sources and not to ultimately rely on functionality and performance of this application. This application is provided “as is” and with all faults. You bear the risk of using it. We shall not be responsible or liable for any loss or damage of any kind incurred as a result of the use of functions or the content of this application. By using this application you are agreeing to these terms. If you do not agree to these terms do not use this application.

Screenshots

iDiskk Pro1 screens
Calendar Clock4 screens

Verdict

The call

The clearest difference is price: iDiskk Pro at Free against Calendar Clock's $0.99. iDiskk Pro also leads on update cadence (every 2 months vs every 41 months) and review sentiment (14% vs 0%). On ads, in-app purchases 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

iDiskk Pro is free to download; Calendar Clock costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

iDiskk Pro ships an update every 2 months, Calendar Clock every 41 months. The most recent releases landed on August 18, 2026 and September 10, 2026 respectively.

Scorecard5 real differences · 5 level
iDiskk Pro versus Calendar Clock: the parameters behind the verdict, then further details
ParameteriDiskk ProCalendar Clock
PriceFree — better$0.99
Rating2.5 (318 ratings) — better—
Positive reviews13.8% of reviews — better0.0% of reviews
Number of ratings318 — better—
Update frequencyEvery 2 months — betterEvery 41 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterPaid
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS9.0 — better26.5
Further details — not scored
Size22 MB4 MB
Age rating4+4+
DeveloperShenzhen Feitianxia Technology Co, Ltd.Systemiko Inc.

Customer experience

iDiskk Pro

All ratings316 ratings
Positive31.3%
Neutral10.1%
Negative58.5%
Written reviews724 reviews
Positive13.8%
Neutral11.2%
Negative75.0%

Calendar Clock

Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Bugs and requests

iDiskk Pro

Reported bugs

4 issues
  • App crashes when trying to copy/transfer files
  • Device not recognized by app after iOS updates
  • Corrupted files after transfer
  • Thumbnails not updating correctly after formatting SD card

Requested features

4 requests
  • Add 'move' option instead of just 'copy'
  • Display more file information
  • Allow selecting multiple files for transfer
  • Improve transfer speed

Calendar Clock

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

iDiskk Pro

No in-app purchases

None

Calendar Clock

No in-app purchases

Questions

Is iDiskk Pro free?
iDiskk Pro is free to download, with no in-app purchases.
Is Calendar Clock free?
Calendar Clock costs $0.99, with no in-app purchases.
Do iDiskk Pro or Calendar Clock have ads?
Neither iDiskk Pro nor Calendar Clock shows ads.
Which is updated more often, iDiskk Pro or Calendar Clock?
iDiskk Pro ships an update every 2 months, and Calendar Clock every 41 months. Most recently, iDiskk Pro was updated on August 18, 2026 and Calendar Clock on September 10, 2026.

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