# Jカレンダー vs TurtleWiz PackCheck

The clearest difference is ads: TurtleWiz PackCheck at none against Jカレンダー's shown. TurtleWiz PackCheck also leads on update cadence (daily vs monthly). Jカレンダー's advantage is iOS requirement (16.6 vs 18.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Jカレンダー sells 1 one-off in-app purchase and TurtleWiz PackCheck sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Jカレンダー ships an update monthly, TurtleWiz PackCheck daily. The most recent releases landed on October 16, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Jカレンダー | TurtleWiz PackCheck |
| --- | --- | --- |
| 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 | Yes |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 22 MB | 471 MB |
| Requires iOS | **16.6** | 18.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [PiyoLog Inc.](https://appshunter.io/developer/440099912) | [HOBEEC](https://appshunter.io/developer/465035845) |

## 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 |


### TurtleWiz PackCheck

[App page](https://appshunter.io/ios/app/turtlewiz-packcheck/id6811309237)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited | $5.99 | 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 TurtleWiz PackCheck free?

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

### Do Jカレンダー or TurtleWiz PackCheck have ads?

Jカレンダー shows ads; TurtleWiz PackCheck does not.

### Which is updated more often, Jカレンダー or TurtleWiz PackCheck?

Jカレンダー ships an update monthly, and TurtleWiz PackCheck daily. Most recently, Jカレンダー was updated on October 16, 2026 and TurtleWiz PackCheck on October 10, 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.*