Comparison

年号早見メモ帳 vs LEFT / RIGHT

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

Head to head
About

年号早見メモ帳

Features
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このアプリ内に広告はありません。 ○日常生活から専門業務まで幅広く活用できる年号早見表アプリです。西暦、和暦、皇紀、十二支などを一目で確認でき、表示項目や順序を自由にカスタマイズできます。 ○ロック画面、ホーム画面、コントロールセンターに美しいウィジェットが用意され、スタンバイモードやナイトモードにも適応します。 ○物メモを使えば、身近な人物の生年月日、年齢、祝い事、厄年などの情報をいつでも確認できます。 ■iCloud ・変更はすべてのAppleデバイスに自動同期。人物メモはiCloudに保存され、セキュリティも安心です。 ■早見表 ・西暦、和暦、皇紀、十二支、十干、干支、年齢、年差、平成や昭和などの元号を一覧表示にできます。 ・お好きな項目を選んだり表示順を変えたり、40,000通り以上の組み合わせで自在にカスタマイズできます。 ・小さい文字が苦手な方でも安心してご利用いただけるよう、文字サイズを7段階で変更できます。 ・設定を変更することで、日本最初の元号である“大化”からの表示ができます。 ・もちろんお好きな元号を始点にできます。 ・プロイラストレーターによるかわいい十二支イラストをご利用いただけます。 ・今日の日付、六曜、皇紀、和暦、さらには明治、大正、昭和、平成の年号を1箇所で確認することができます。 ・人物メモに登録すればそれぞれの誕生年に人物を表示することもできます。 ■人物メモ ・身近な人の写真に、生年月日、没年月日、祝い事、厄年、法要、祭日などの詳細情報を追加できます。 ・人物メモはiCloudに保存され、変更はすべてのAppleデバイスに同期されます。 ・Apple Intelligence を使って、写真ライブラリからコンセプト、テキスト、人を組み合わせてオリジナルの人物画像を数秒で生成できます。 ■ウィジェット ・ロック画面、ホーム画面、コントロールセンターなどにウィジェットを配置して、アプリを素早く起動したり、必要な情報を常に表示したりできます。 ・iPhoneではスタンバイやナイトモードでもウィジェットを表示し続けます。 ・スタンバイでナイトモードがオンになると、画面の項目が目に優しい赤みがかかった色で表示され、眠りの妨げになりません。 ■見やすさと使いやすさを重視 ・早見表の項目表示や表示順を自由にカスタマイズできます。 ・かわいいイラストとさまざまな書体のアイコンから、お好みのアプリアイコンに変更できます。 ・アプリアイコンには和暦、西暦、十二支が描かれているので、アプリを起動せずともひと目でわかります。 ・うるう年や各元号のテーマカラーをお好きな色に変更できます。 ・毎月1日に月が変わったことをお知らせするように設定できます。 *2026年9月時点 開発元調べ

About

LEFT / RIGHT

Features
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IPHONE DUO SUPPORT · SIDE BY SIDE On iPad and supported foldables, pages adapt to available space, avoiding the fold. Large text or the keyboard can switch to one page. Add, time, edit and complete plans, five per narrow calendar page with no total limit. Diaries save automatically. Calendar on the left. Diary on the right. Open your day. Plans and writing together. No sign-in or ads. SIMPLE OR ADVANCED Simple focuses on calendar and diary. Advanced groups tools in speech balloons: Record, Decorate & collect, Look back (a soft cloud), and Keep & print. Both share entries and keep hidden decorations saved. PHOTO STAMPS AND A STICKER ALBUM Make photo stamps with a date and optional note. Browse by month; tap for the full photo. The Eclat sample can be removed. On wide screens, browse your collection on the left and preview one stamp on the right; narrow screens stack them. Share that stamp alone, without diary entries, plans or saved notes. Captions and hashtags are optional; dates start off. Included at no extra charge. Shared images say “Decorative stamp · Not valid postage”. For mail, buy real postage at a post office or authorised retailer and attach the required amount. This is not a postal service; letter-paper and envelope creation are not included. MEMORY POCKETS, HAIKU AND LOOKING BACK Layer up to 12 photos in a translucent pocket; tap to see them clearly. On-device copies have a maximum 2048 px long edge; originals stay intact. Optional opening, adding and closing sounds. Write your own haiku, short poems from Japan: vertical brush lettering in Japanese, horizontal otherwise. Line breaks stay; no syllable rules or scoring. Make monthly or yearly collage PDFs with stamps, pockets and poems. Type new-year words with a brief introduction to Japan’s kakizome tradition; no handwriting input. These features are included. ACTIVITY MEMORIES Write results, character growth and story progress, or check and import a compatible file. The sending app must support the format. This keeps a snapshot, without measuring exercise or advancing a game. KEEP YOUR WRITING Entries and photos stay on your device, not with the developer. Sharing sends only what you approve to your chosen destination. Writing and reading work offline; there is no automatic device sync. Text backup and restore cover diary, plans, travel writing, haiku, new-year words, pocket notes and activity text. Photos, stamp images, covers, purchases and settings are excluded. Restore preserves current photos and unrelated entries. Print plans and diary by day or month on A4 or Japanese B5, with a left binding margin. Long entries continue on another page. Plain backgrounds save ink. Standard diary printouts omit photo stamps and covers; use a photo collage PDF to print memories with images. MAKE IT YOURS Rich leather-style covers accept art from compatible Museum Gacha versions in three frame sizes, with title, artist and source. Optional diary stamps mark rest, walks or quiet days without removing your writing. Stamp sound starts off. Eleven themes: Original Paper and Temple Quiet included; nine separate one-time purchases. Finishing the day’s last plan plays a short theme sound, including a temple bell. Sounds can be turned off and respect silent mode. OPTIONAL TRAVEL JOURNAL A separate one-time purchase: destinations and plans beside one daily photo and notes, with multiple trips. Lodging or café notes add playful HP effects; religious sites add MP effects. These are not health measurements or religious promises. Finish with an optional fanfare and reopen a completed trip to add more. Preview and Restore Purchases available. No subscriptions; local prices apply. Interface: Japanese, English, French, Spanish, Korean and Indonesian. Follow device language or choose in appearance settings. Your writing is not translated. More apps: search "Chihuahua Games" Official site: https://chihuahua-games.chihuahuagames.workers.dev/

Screenshots

年号早見メモ帳4 screens
LEFT / RIGHT4 screens

Verdict

The call

The clearest difference is in-app purchases: 年号早見メモ帳 at none against LEFT / RIGHT's 10. LEFT / RIGHT's advantage is update cadence (daily vs every 5 weeks) and iOS requirement (17.0 vs 26.0). On price, ads 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

年号早見メモ帳 costs $0.49 and LEFT / RIGHT $0.49 up front. LEFT / RIGHT sells 10 one-off in-app purchases. 年号早見メモ帳 asks for nothing beyond the download.

UpkeepUpdate frequency

年号早見メモ帳 ships an update every 5 weeks, LEFT / RIGHT daily. Both last shipped on October 25, 2026.

Scorecard3 real differences · 4 level
年号早見メモ帳 versus LEFT / RIGHT: the parameters behind the verdict, then further details
Parameter年号早見メモ帳LEFT / RIGHT
Price$0.49$0.49
Positive reviews80.0% of reviews—
Update frequencyEvery 5 weeksDaily — better
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhone, iPadiPhone, iPad
Requires iOS26.017.0 — better
Further details — not scored
Size98 MB63 MB
Age rating4+9+
DeveloperOGUMA PRODUCTSRIEKO NAITO

In-app purchases

None

年号早見メモ帳

No in-app purchases

10 purchases

LEFT / RIGHT

One-time10
  • Digital Green$0.49
  • Heisei Retro$0.49
  • Moonlit Carnival$0.49
Show 7 more
  • Neon Atami$0.49
  • Stardust Aquarium$0.49
  • Nightmare Candy$0.49
  • Cyber Rococo$0.49
  • Industrial$0.49
  • Electric Street$0.49
  • Travel Journal$1.99

Questions

Is 年号早見メモ帳 free?
年号早見メモ帳 costs $0.49, with no in-app purchases.
Is LEFT / RIGHT free?
LEFT / RIGHT costs $0.49, and also offers in-app purchases.
Do 年号早見メモ帳 or LEFT / RIGHT have ads?
Neither 年号早見メモ帳 nor LEFT / RIGHT shows ads.
Which is updated more often, 年号早見メモ帳 or LEFT / RIGHT?
年号早見メモ帳 ships an update every 5 weeks, and LEFT / RIGHT daily. Most recently, 年号早見メモ帳 was updated on October 25, 2026 and LEFT / RIGHT on October 25, 2026.

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