# Calendar Clock vs Simple Desk Clock

The clearest difference is price: Calendar Clock at $0.99 against Simple Desk Clock's $1.99. Simple Desk Clock's advantage is iOS requirement (12.1 vs 26.5). On update cadence, ads, in-app purchases and device support there is nothing between them.

Calendar Clock costs $0.99 and Simple Desk Clock $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 41 months. The most recent releases landed on October 15, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Calendar Clock | Simple Desk Clock |
| --- | --- | --- |
| Price | **$0.99** | $1.99 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 41 months | Every 41 months |
| Monetization | Paid | — |
| Size | 4 MB | 9 MB |
| Requires iOS | 26.5 | **12.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Systemiko Inc.](https://appshunter.io/developer/680630947) | [eventcast inc.](https://appshunter.io/developer/1572595480) |

## What reviewers say

### 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


### Simple Desk Clock

[App page](https://appshunter.io/ios/app/simple-desk-clock/id1575842229)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Calendar Clock free?

Calendar Clock costs $0.99, with no in-app purchases.

### Is Simple Desk Clock free?

Simple Desk Clock costs $1.99, with no in-app purchases.

### Do Calendar Clock or Simple Desk Clock have ads?

Neither Calendar Clock nor Simple Desk Clock shows ads.

### Which is updated more often, Calendar Clock or Simple Desk Clock?

Calendar Clock ships an update every 41 months, and Simple Desk Clock every 41 months. Most recently, Calendar Clock was updated on October 15, 2026 and Simple Desk Clock on September 30, 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.*