# Jカレンダー vs DGF WORK

The clearest difference is in-app purchases: DGF WORK at none against Jカレンダー's 1. DGF WORK also leads on ads (none vs shown) and device support (3 vs 1). Jカレンダー's advantage is update cadence (monthly vs every 4 months). On price and iOS requirement there is nothing between them.

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

Jカレンダー ships an update monthly, DGF WORK every 4 months. The most recent releases landed on September 27, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Jカレンダー | DGF WORK |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (27 ratings)](https://appshunter.io/ios/app/j/id765217858/reviews)** | — |
| Number of ratings | **27** | — |
| Positive reviews | 65.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Monthly** | Every 4 months |
| Monetization | Free with in-app purchases | — |
| Size | 22 MB | 52 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [PiyoLog Inc.](https://appshunter.io/developer/440099912) | [株式会社DGF](https://appshunter.io/developer/1756417025) |

## What reviewers say

### Jカレンダー

[App page](https://appshunter.io/ios/app/j/id765217858)

This app offers a visually customizable calendar with Japanese holidays, lunar phases, and traditional Japanese calendars. Add photos and notes to your events, and enjoy daily quotes. It syncs with your device's calendar for seamless scheduling.

**Highlights:** Japanese holidays and traditional calendars (Rokuyo, lunar phases), Photo and note customization for events, Daily quotes and sayings, Syncs with device calendar, Customizable visual themes, Recurring event scheduling

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告非表示 | $2.99 | one-time |


### DGF WORK

[App page](https://appshunter.io/ios/app/dgf-work/id6529525810)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Jカレンダー free?

Jカレンダー is free to download, with in-app purchases available.

### Is DGF WORK free?

DGF WORK is free to download, with no in-app purchases.

### Do Jカレンダー or DGF WORK have ads?

Jカレンダー shows ads; DGF WORK does not.

### Which is updated more often, Jカレンダー or DGF WORK?

Jカレンダー ships an update monthly, and DGF WORK every 4 months. Most recently, Jカレンダー was updated on September 27, 2026 and DGF WORK on September 16, 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.*