Comparison

Jカレンダー vs TurtleWiz PackCheck

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Jカレンダー

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
Read full description

祝日の表示はもちろん、六曜や月齢、二十四節気を見やすく表示。 冠婚葬祭や釣りの日程を決めるのにも便利です。 写真を入れられるので、紙でもらったお知らせなどを予定と一緒に登録するとさらに便利! 月表示では予定が一目でわかるようになっているので、 スケジュール管理にも使いやすい! メモを残すこともできちゃいます。 六曜や月齢表示を消すと、シンプルなカレンダーに早変わり! 上部の画像も変更できるので、自分だけの見た目のカレンダーにカスタマイズもできますよ! 日表示は見慣れた日めくりカレンダー風デザイン。 定型予定を登録できるので、 同じ予定を入れるのがとても楽チン。 今日は何の日?いい服(1129)の日! などなど、その日が何の日かも表示されます。 母の日や、土用の丑の日などもわかっちゃいます! 日替わりで素敵な格言や名言を載せているので、ちょっと見るだけでも楽しめます。 また、それぞれの日に写真やメモを入れることもできるので、ちょっとした日記がわりに使うこともできますよ! 日本人にとっての使い勝手を徹底したカレンダーアプリです。 ぜひ使ってみてください。 #ユーザー様の声 ・六曜があるのは便利。和風でさわやかなデザインも気に入りました。 ・約半年使ってみて 機能は使いやすいです。私には一番良いかも また格言のチョイスが良くて 結構見ちゃいます。 ・曜日の情報が六曜など細かいです。また標準のカレンダーと同期するから非常に便利です。満点ですよ。 ・スケジュールを入れやすいし、画像もOK!もっと早く入れていればよかった…と思っています。 ・繰り返し使いたい予定を長押しで登録しておけるのが便利です。 六曜の表示も、信心深い方ではないが、あると和を感じます。 URLスキーム:net.ysakaki.JCalendar:// #1ヶ月以上前の予定が消えてしまう場合# 「設定」アプリで「カレンダー」の「同期」という項目を「全てのイベント」に変更してください

About

TurtleWiz PackCheck

Features
Read full description

See it. Check it. Pack it. TurtleWiz PackCheck helps you check the things you’re actually taking with you — using your iPhone camera. Perfect for school, work, travel, sports, lessons, and everyday outings. Create a checklist from a photo, a printed list, or text. Then show your real belongings to the camera as you pack. CREATE A LIST YOUR WAY • Take a photo of items laid out together • Choose a photo from your library • Photograph a printed packing or belongings list • Enter one item per line • Paste text to turn it into a list Before saving, you can rename, add, or remove suggested items. You can also look back at the original photo or text while editing. CHECK YOUR REAL BELONGINGS When it’s time to get ready: • Show items one by one to the front or rear camera • Or photograph several items together • Hear a chime when an item is confirmed • Hear a completion sound when everything on the list has been checked Recognition results may vary depending on the item, lighting, angle, background, and other conditions. GREAT FOR • School bags • Work essentials • Travel and vacations • Sports and activities • Lessons and clubs • Everyday routines Instead of relying only on memory, check your list while looking at the things you’re actually taking. START FREE You can keep one list at a time for free. Delete it and create a new list as often as you like. Keeping multiple lists is available through an in-app purchase. Restore Purchases is also available. PRIVATE BY DESIGN • No account required • Photo and list recognition is processed on your iPhone • No external AI API is used for recognition For iPhone with iOS 18 or later. Supported interface languages: English, Japanese, Korean, German, French, Spanish, Simplified Chinese, and Traditional Chinese. Make getting ready a little easier with TurtleWiz PackCheck.

Screenshots

Jカレンダー4 screens
TurtleWiz PackCheck4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

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.

Scorecard3 real differences · 7 level
Jカレンダー versus TurtleWiz PackCheck: the parameters behind the verdict, then further details
ParameterJカレンダーTurtleWiz PackCheck
PriceFreeFree
Rating4.9 (27 ratings) — better—
Positive reviews65.5% of reviews—
Number of ratings27 — better—
Update frequencyMonthlyDaily — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhoneiPhone
Requires iOS16.6 — better18.0
Further details — not scored
Size22 MB471 MB
Age rating4+4+
DeveloperPiyoLog Inc.HOBEEC

In-app purchases

1 purchases

Jカレンダー

One-time1
  • 広告非表示$2.99
1 purchases

TurtleWiz PackCheck

One-time1
  • Unlimited$5.99

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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