# Calendar Clock vs Ike

The clearest difference is price: Ike at Free against Calendar Clock's $0.99. Ike also leads on update cadence (every 3 months vs every 41 months) and device support (4 vs 2). Calendar Clock's advantage is in-app purchases (none vs 1). On review sentiment and ads there is nothing between them.

Ike is free to download; Calendar Clock costs $0.99 up front. Ike sells 1 one-off in-app purchase. Calendar Clock asks for nothing beyond the download.

Calendar Clock ships an update every 41 months, Ike every 3 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | Calendar Clock | Ike |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/ike-to-do-list-task-list/id1595836774/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 41 months | **Every 3 months** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 4 MB | 11 MB |
| Requires iOS | 26.5 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Systemiko Inc.](https://appshunter.io/developer/680630947) | [余 张](https://appshunter.io/developer/1544645313) |

## 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


### Ike

[App page](https://appshunter.io/ios/app/ike-to-do-list-task-list/id1595836774)

Organize your tasks using a priority matrix based on importance and urgency. Manage your to-dos with intuitive gestures, add due dates, multiple reminders, images, audio recordings, and detailed notes. This app helps you focus on what matters most.

**Highlights:** Priority matrix organization, Intuitive gesture controls, Due dates and reminders, Add images to tasks, Audio recording attachments, Detailed notes/descriptions

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Version | $1.99 | one-time |


## Frequently asked questions

### Is Calendar Clock free?

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

### Is Ike free?

Ike is free to download, with in-app purchases available.

### Do Calendar Clock or Ike have ads?

Neither Calendar Clock nor Ike shows ads.

### Which is updated more often, Calendar Clock or Ike?

Calendar Clock ships an update every 41 months, and Ike every 3 months. Most recently, Calendar Clock was updated on October 24, 2026 and Ike on October 24, 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.*