# Calendar Clock vs Airro Oceanic Reporting Tool

The clearest difference is update cadence: Airro Oceanic Reporting Tool at daily against Calendar Clock's every 41 months. Airro Oceanic Reporting Tool also leads on iOS requirement (12.4 vs 26.5). On price, ads, in-app purchases and device support there is nothing between them.

Calendar Clock costs $0.99 and Airro Oceanic Reporting Tool $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Calendar Clock ships an update every 41 months, Airro Oceanic Reporting Tool daily. The most recent releases landed on October 15, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Calendar Clock | Airro Oceanic Reporting Tool |
| --- | --- | --- |
| Price | $0.99 | $0.99 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 41 months | **Daily** |
| Monetization | Paid | — |
| Size | 4 MB | 1 MB |
| Requires iOS | 26.5 | **12.4** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Systemiko Inc.](https://appshunter.io/developer/680630947) | [Christian van der Meij](https://appshunter.io/developer/571706052) |

## 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


### Airro Oceanic Reporting Tool

[App page](https://appshunter.io/ios/app/airro-oceanic-reporting-tool/id1528639949)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Calendar Clock free?

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

### Is Airro Oceanic Reporting Tool free?

Airro Oceanic Reporting Tool costs $0.99, with no in-app purchases.

### Do Calendar Clock or Airro Oceanic Reporting Tool have ads?

Neither Calendar Clock nor Airro Oceanic Reporting Tool shows ads.

### Which is updated more often, Calendar Clock or Airro Oceanic Reporting Tool?

Calendar Clock ships an update every 41 months, and Airro Oceanic Reporting Tool daily. Most recently, Calendar Clock was updated on October 15, 2026 and Airro Oceanic Reporting Tool on October 19, 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.*