# iDiskk Pro vs Calendar Clock

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.

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.

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.

## The numbers

| Metric | iDiskk Pro | Calendar Clock |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[2.5 (318 ratings)](https://appshunter.io/ios/app/idiskk-pro/id1006564880/reviews)** | — |
| Number of ratings | **318** | — |
| Positive reviews | **13.8% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 41 months |
| Monetization | **Free** | Paid |
| Size | 22 MB | 4 MB |
| Requires iOS | **9.0** | 26.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Feitianxia Technology Co, Ltd.](https://appshunter.io/developer/536103551) | [Systemiko Inc.](https://appshunter.io/developer/680630947) |

## What reviewers say

### iDiskk Pro

[App page](https://appshunter.io/ios/app/idiskk-pro/id1006564880)

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:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 🚀 Fast file transfers
- ⚙️ Useful device for expanding storage
- 👍 Easy to use app

**What reviewers complain about**

- 🐛 App crashes and freezes
- ⚠️ Compatibility issues with newer iOS versions
- 🔌 Device stops working after some time
- 🔍 Poor customer support

**Reported bugs**

- 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**

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


### Calendar Clock

[App page](https://appshunter.io/ios/app/calendar-clock/id1451445740)

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:** macOS Compatibility

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*