# Jカレンダー vs 数秘術&開運こてんしこよみ

The clearest difference is price: Jカレンダー at Free against 数秘術&開運こてんしこよみ's $7.99. Jカレンダー also leads on update cadence (monthly vs every 2 months). 数秘術&開運こてんしこよみ's advantage is ads (none vs shown) and review sentiment (86% vs 66%). On in-app purchases there is nothing between them.

Jカレンダー is free to download; 数秘術&開運こてんしこよみ costs $7.99 up front. Jカレンダー sells 1 one-off in-app purchase and 数秘術&開運こてんしこよみ sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Jカレンダー ships an update monthly, 数秘術&開運こてんしこよみ every 2 months. The most recent releases landed on September 23, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Jカレンダー | 数秘術&開運こてんしこよみ |
| --- | --- | --- |
| Price | **Free** | $7.99 |
| Rating | **[4.9 (27 ratings)](https://appshunter.io/ios/app/j/id765217858/reviews)** | — |
| Number of ratings | **27** | — |
| Positive reviews | 65.5% of reviews | **85.7% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 22 MB | 256 MB |
| Requires iOS | 16.6 | **12.0** |
| Devices | iPhone | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [PiyoLog Inc.](https://appshunter.io/developer/440099912) | [Hiromasa Omukai](https://appshunter.io/developer/1190545142) |

## 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 |


### 数秘術&開運こてんしこよみ

[App page](https://appshunter.io/ios/app/and/id1190545143)

This app uses numerology and celestial movements to create a daily lucky calendar. Understand your personal and universal number cycles to bring rhythm and focus to your life. Includes a memo function for planning and reflection.

**Highlights:** Daily lucky calendar based on numerology and celestial events, Personal and universal number cycle tracking, Moon phases and planetary lucky times, Traditional Japanese calendar data (24 solar terms, 72 micro-seasons), Memo function for planning and reflection, iCloud synchronization for notes, Original character illustrations and messages

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 2018年の毎月のイラスト＆ひとこと | $1.99 | one-time |
| 2019年の毎月のイラスト＆ひとこと | $1.99 | one-time |
| 2020年の毎月のイラスト＆ひとこと | $1.99 | one-time |
| 2021年の毎月のイラスト＆ひとこと | $1.99 | one-time |


## 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 数秘術&開運こてんしこよみ free?

数秘術&開運こてんしこよみ costs $7.99, and also offers in-app purchases.

### Do Jカレンダー or 数秘術&開運こてんしこよみ have ads?

Jカレンダー shows ads; 数秘術&開運こてんしこよみ does not.

### Which is updated more often, Jカレンダー or 数秘術&開運こてんしこよみ?

Jカレンダー ships an update monthly, and 数秘術&開運こてんしこよみ every 2 months. Most recently, Jカレンダー was updated on September 23, 2026 and 数秘術&開運こてんしこよみ on September 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.*