# Jカレンダー vs Simple Calendar・Schedule app

The clearest difference is in-app purchases: Simple Calendar・Schedule app at none against Jカレンダー's 1. Simple Calendar・Schedule app also leads on ratings volume (2.3K vs 27) and update cadence (weekly vs monthly). Jカレンダー's advantage is rating (4.9 vs 4.6). On price, ads, device support 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. Simple Calendar・Schedule app asks for nothing beyond the download.

Jカレンダー holds the better App Store score, 4.9 against 4.6. That said, the two scores are not equally well evidenced: Simple Calendar・Schedule app has 2.3K ratings behind it against 27, so its average is the more settled of the two. Written reviews complicate that: 66% of Jカレンダー's written reviews are positive against 79% of Simple Calendar・Schedule app's, so the app with the better star average is not the one people write more warmly about.

Jカレンダー ships an update monthly, Simple Calendar・Schedule app weekly. The most recent releases landed on October 16, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Jカレンダー | Simple Calendar・Schedule app |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (27 ratings)](https://appshunter.io/ios/app/j/id765217858/reviews)** | [4.6 (2.3K ratings)](https://appshunter.io/ios/app/simple-calendarschedule-app/id1558989799/reviews) |
| Number of ratings | 27 | **2.3K** |
| Positive reviews | 65.5% of reviews | **79.1% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Monthly | **Weekly** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 22 MB | 61 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [PiyoLog Inc.](https://appshunter.io/developer/440099912) | [Futoshi Niiho](https://appshunter.io/developer/1545504639) |

## 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 |


### Simple Calendar・Schedule app

[App page](https://appshunter.io/ios/app/simple-calendarschedule-app/id1558989799)

This app offers a streamlined calendar experience, focusing on essential features for easy event management. It's designed for users who prefer simplicity and a clean interface over complex functionalities. Get organized with core calendar tools and helpful notifications.

**Highlights:** Calendar view, Event creation, Search functionality, Notifications, Holiday tracking, Customizable styles, Data backup

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

**In-app purchases:** none

**What reviewers like**

- 👍 Simple and easy to use
- 💎 Clean and aesthetically pleasing design
- 🎨 Customizable color options
- 🗓️ Straightforward calendar functionality
- 🧠 Helps users stay organized

**What reviewers complain about**

- 🐛 Issues with events showing on the wrong date
- 🕰️ Lack of 12-hour time format option
- 📢 Presence of ads
- 🔍 Limited search functionality
- 🔀 Difficulty rearranging/reordering events

**Reported bugs**

- Backup/restore functionality not working
- Events disappearing from calendar view
- Dates/times not displaying correctly

**Requested features**

- Repeat/recurring event functionality
- Widget support for home screen
- Ability to share calendars with others
- Option to set custom notification times
- More color palette choices


## 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 Simple Calendar・Schedule app free?

Simple Calendar・Schedule app is free to download, with no in-app purchases.

### Which has better reviews, Jカレンダー or Simple Calendar・Schedule app?

Jカレンダー is rated higher. Jカレンダー averages 4.9 out of 5 from 27 ratings, while Simple Calendar・Schedule app averages 4.6 from 2.3K ratings.

### Do Jカレンダー or Simple Calendar・Schedule app have ads?

Both Jカレンダー and Simple Calendar・Schedule app show ads.

### Which is updated more often, Jカレンダー or Simple Calendar・Schedule app?

Jカレンダー ships an update monthly, and Simple Calendar・Schedule app weekly. Most recently, Jカレンダー was updated on October 16, 2026 and Simple Calendar・Schedule app on October 17, 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.*