# Deco カレンダー vs Calcifon

The clearest difference is rating: Calcifon at 5.0 against Deco カレンダー's 4.0. Calcifon also leads on device support (4 vs 2). Deco カレンダー's advantage is in-app purchases (none vs 2). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Calcifon sells 2 in-app purchases, starting at $1.99 per month. Deco カレンダー asks for nothing beyond the download.

Calcifon holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 3 and 2 respectively.

Deco カレンダー ships an update every 5 weeks, Calcifon every 2 months. The most recent releases landed on October 19, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Deco カレンダー | Calcifon |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (3 ratings)](https://appshunter.io/ios/app/deco/id1545350571/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/calcifon/id1641658581/reviews)** |
| Number of ratings | **3** | 2 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | **Free** | Freemium |
| Size | 4 MB | 41 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Yuichiro Iwase](https://appshunter.io/developer/1498436845) | [KauriLab Inc.](https://appshunter.io/developer/530847194) |

## 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


### Calcifon

[App page](https://appshunter.io/ios/app/calcifon/id1641658581)

This multiplatform calendar app offers a simple and intuitive way to manage your schedule. It syncs with iOS and Google Calendars, allowing for easy event rescheduling and organization with color-coding. Premium features unlock additional views and customization options.

**Highlights:** Simple and intuitive interface, Drag & drop rescheduling, Color-coded events, Automatic sync with iOS and Google Calendar, Monthly & Daily schedule views (Premium), iPad and Mac app support (Premium), Customizable background image (Premium)

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium (1 month) | $1.99 | per month |
| Premium (1 year) | $19.99 | per year |


## 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 Calcifon free?

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

### Which has better reviews, Deco カレンダー or Calcifon?

Calcifon is rated higher. Deco カレンダー averages 4.0 out of 5 from 3 ratings, while Calcifon averages 5.0 from 2 ratings.

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

Neither Deco カレンダー nor Calcifon shows ads.

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

Deco カレンダー ships an update every 5 weeks, and Calcifon every 2 months. Most recently, Deco カレンダー was updated on October 19, 2026 and Calcifon on October 9, 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.*