# Calendar Clock vs XAG One

The clearest difference is price: XAG One at Free against Calendar Clock's $0.99. XAG One also leads on update cadence (monthly vs every 41 months) and review sentiment (25% vs 0%). On ads, in-app purchases and device support there is nothing between them.

XAG One is free to download; Calendar Clock costs $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, XAG One monthly. The most recent releases landed on September 10, 2026 and June 21, 2026 respectively.

## The numbers

| Metric | Calendar Clock | XAG One |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[3.4 (5 ratings)](https://appshunter.io/ios/app/xag-one/id1541133681/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | 0.0% of reviews | **25.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 41 months | **Monthly** |
| Monetization | Paid | **Free** |
| Size | 4 MB | 396 MB |
| Requires iOS | 26.5 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Systemiko Inc.](https://appshunter.io/developer/680630947) | [Guangzhou Xaircraft Technology Co.,Ltd.](https://appshunter.io/developer/1395160295) |

## 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


### XAG One

[App page](https://appshunter.io/ios/app/xag-one/id1541133681)

This app offers a comprehensive solution for agricultural operations, including field mapping, drone management, and record access. Its intuitive design and user-friendly interface streamline farming tasks for improved efficiency and results.

**Highlights:** Field mapping and management, Agricultural drone operations, Operation records access, Brand-new UI design, User-friendly interactions, Intuitive information display

**In-app purchases:** none


## Frequently asked questions

### Is Calendar Clock free?

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

### Is XAG One free?

XAG One is free to download, with no in-app purchases.

### Do Calendar Clock or XAG One have ads?

Neither Calendar Clock nor XAG One shows ads.

### Which is updated more often, Calendar Clock or XAG One?

Calendar Clock ships an update every 41 months, and XAG One monthly. Most recently, Calendar Clock was updated on September 10, 2026 and XAG One on June 21, 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.*