# Calendar & Clock vs XTEND MONSTER

The clearest difference is ads: XTEND MONSTER at none against Calendar & Clock's shown. Calendar & Clock's advantage is update cadence (every 3 months vs every 15 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Calendar & Clock ships an update every 3 months, XTEND MONSTER every 15 months. The most recent releases landed on September 25, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Calendar & Clock | XTEND MONSTER |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 3 months** | Every 15 months |
| Size | 15 MB | 48 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [VS Computing Company Limited](https://appshunter.io/developer/1097557541) | [PT.Xtend Integrasi Indonesia](https://appshunter.io/developer/1115047591) |

## What reviewers say

### Calendar & Clock

[App page](https://appshunter.io/ios/app/calendar-and-clock/id1097557542)

**Features:** macOS Compatibility

**In-app purchases:** none


### XTEND MONSTER

[App page](https://appshunter.io/ios/app/xtend-monster/id1115047592)

**In-app purchases:** none


## Frequently asked questions

### Is Calendar & Clock free?

Calendar & Clock is free to download, with no in-app purchases.

### Is XTEND MONSTER free?

XTEND MONSTER is free to download, with no in-app purchases.

### Do Calendar & Clock or XTEND MONSTER have ads?

Calendar & Clock shows ads; XTEND MONSTER does not.

### Which is updated more often, Calendar & Clock or XTEND MONSTER?

Calendar & Clock ships an update every 3 months, and XTEND MONSTER every 15 months. Most recently, Calendar & Clock was updated on September 25, 2026 and XTEND MONSTER on October 29, 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.*