# Deco カレンダー vs MonoCalendar

The clearest difference is in-app purchases: Deco カレンダー at none against MonoCalendar's 1. Deco カレンダー also leads on iOS requirement (14.0 vs 26.0). MonoCalendar's advantage is update cadence (weekly vs every 5 weeks). On price, ads and device support there is nothing between them.

Both are free to download. MonoCalendar sells 1 one-off in-app purchase. Deco カレンダー asks for nothing beyond the download.

Deco カレンダー ships an update every 5 weeks, MonoCalendar weekly. The most recent releases landed on October 2, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Deco カレンダー | MonoCalendar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (3 ratings)](https://appshunter.io/ios/app/deco/id1545350571/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Weekly** |
| Monetization | Free | — |
| Size | 4 MB | 12 MB |
| Requires iOS | **14.0** | 26.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Yuichiro Iwase](https://appshunter.io/developer/1498436845) | [kazuyoshi onozawa](https://appshunter.io/developer/6789441022) |

## What reviewers say

### Deco カレンダー

[App page](https://appshunter.io/ios/app/deco/id1545350571)

Personalize your calendar with a variety of stylish wallpapers and themes. Easily manage your schedule with standard calendar functions, including adding, editing, and sharing events. Syncs with iCloud and Google Calendar for seamless integration.

**Highlights:** Customizable image and movie wallpapers, Date label font and size options, Add, edit, and remove schedules, Schedule sharing via mail and SNS, Integrated map function, Sync with iCloud and Google Calendar

**Features:** macOS Compatibility

**In-app purchases:** none


### MonoCalendar

[App page](https://appshunter.io/ios/app/monocalendar/id6798613799)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MonoCalendar Premium | $2.99 | one-time |


## Frequently asked questions

### Is Deco カレンダー free?

Deco カレンダー is free to download, with no in-app purchases.

### Is MonoCalendar free?

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

### Do Deco カレンダー or MonoCalendar have ads?

Neither Deco カレンダー nor MonoCalendar shows ads.

### Which is updated more often, Deco カレンダー or MonoCalendar?

Deco カレンダー ships an update every 5 weeks, and MonoCalendar weekly. Most recently, Deco カレンダー was updated on October 2, 2026 and MonoCalendar on October 5, 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.*