Best Koyomi | Japanese Year Checker Apps

241+ iOS apps curated and reviewed

4.2 avg rating

19 free apps

Updated October 2026

Finding the right koyomi | japanese year checker apps can be overwhelming with so many options. We've analyzed 241+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.

Compare top Koyomi | Japanese Year Checker Apps (October 2026)

#	App	Price	Rating	Ads	In-App Purchases	Updated
1	Koyomi \| Japanese year checker	Free	—	Yes	Yes	Oct 2026
2	Koyomi (Calendar)	Free	—	No	No	Sep 2026
3	Japanese Calendar Converter	Free	4.5★ (2)	Yes	No	Jul 2026
4	Japanese	Free	4.8★ (3.6K)	No	No	Oct 2026
5	Japanese!! Learn Kana & Kanji	Free	4.8★ (23K)	No	Yes	Oct 2026
6	Koyomi	$1.99	5.0★ (2)	No	No	Sep 2026
7	JpYear Japanese Year	Free	—	Yes	No	May 2026
8	Learn Japanese!!!	Free	4.5★ (587)	No	Yes	Oct 2026

Top Picks for Koyomi | Japanese Year Checker

#1

Koyomi | Japanese year checker by NAOYA ONO

Japanese calendar reference

Editor's Choice

0.0(0 ratings)

FreeAdsIn-App Purchases

Koyomi | Japanese year checker screenshot 1

Koyomi | Japanese year checker screenshot 2

Koyomi | Japanese year checker screenshot 3

#2

Koyomi (Calendar) by Kouichi Abe

Simple Three Months Calendar

Strong Contender

📊 Productivity

0.0(0 ratings)

Free

Koyomi (Calendar) screenshot 1

Koyomi (Calendar) screenshot 2

This simple calendar app displays three months at a time, along with an annual view. Easily navigate between months and years with intuitive scrolling gestures. It offers a straightforward yet highly useful way to manage your schedule.

#3

Japanese Calendar Converter by Yuichi Sakashita

Japanese Eras to Western years

Worth Considering

📊 Productivity

4.5(2 ratings)

FreeAdsIn-App Purchases

Japanese Calendar Converter screenshot 1

Japanese Calendar Converter screenshot 2

Japanese Calendar Converter screenshot 3

Japanese Calendar Converter screenshot 4

Instantly convert between Japanese eras and Western years. This tool also reveals the Japanese Zodiac, Chinese Zodiac animal, and leap year status for any given year. Its clean interface makes it ideal for anyone interested in Japanese culture or history.

More Koyomi | Japanese Year Checker apps to explore

More than a dictionary

This comprehensive language learning tool offers an extensive dictionary with over 175,000 entries and 58,000 example sentences. It includes advanced features like handwriting recognition, conjugation search, and a text reader, alongside flashcard study tools and JLPT-specific lists. Learn Japanese offline with this pocket-sized study companion.

Extensive dictionary with 175,000+ entries58,000+ example sentencesHandwriting recognition for kanji/kana

Japanese!! Learn Kana & Kanji

Japanese!! Learn Kana & Kanji

Japanese!! Learn Kana & Kanji

Hiragana, Katakana & Grammar

Master Japanese writing with comprehensive lessons for Hiragana and Katakana. Build vocabulary and grammar skills through engaging quizzes and spaced repetition. Practice reading and writing with audio pronunciation, all offline.

Hiragana and Katakana writing lessonsVocabulary and grammar lessonsSpaced repetition review quizzes

free with in-app purchases

This app displays traditional Japanese calendars, including lunar phases, zodiac signs, and auspicious days. It integrates with your existing iOS calendar and offers features like printing and PDF sharing. Perfect for those who appreciate traditional calendrical information.

Standard calendar import and displayDetailed Japanese calendar view (zodiac, lunar, etc.)Moon phase and age display

JpYear Japanese Year

JpYear Japanese Year

JpYear Japanese Year

New Gengo "Reiwa" Jp Year

This app provides a clear and easy-to-understand conversion between Japanese imperial eras and Western years. It lists major eras like Meiji, Taisho, Showa, Heisei, and the current Reiwa, allowing users to quickly find corresponding dates. Users can also mark favorite eras for easy access.

Japanese year to Western year conversionLists major Japanese eras (Meiji, Taisho, Showa, Heisei, Reiwa)Easy-to-understand interface

Learn Japanese!!!

Learn Japanese!!!

Learn Japanese!!!

Speak, Read and Write Japanese

Master Japanese with engaging lessons covering vocabulary, pronunciation, kana, kanji, writing, and grammar. Smart review tools adapt to your learning pace, ensuring effective memorization. Ideal for beginners to quickly gain speaking, reading, and writing skills.

Vocabulary lessonsPronunciation practiceKana and Kanji learning

free with in-app purchases

暦 Reki - Japanese Era Calendar

暦 Reki - Japanese Era Calendar

暦 Reki - Japanese Era Calendar

Wareki&Western Date Converter

Learn Japanese by MindSnacks

Learn Japanese by MindSnacks

Learn Japanese by MindSnacks

Master Japanese reading, writing, and conversation skills through 8 engaging games. Learn over 800 words and phrases with native speaker audio and practice three writing systems. Ideal for all ages, it makes language acquisition fun and effective.

8 addictive learning games800+ Japanese words & phrasesPractice Kana, Kanji, and Romaji

free with in-app purchases

Your personal Japanese tutor

Learn Japanese with a comprehensive tutor-based approach. This app offers structured lessons covering grammar, pronunciation, and writing, with audio, visuals, and practice exercises. Start with free lessons and progress to fluency with a subscription.

Tutor-based learning approach160+ lessons with audio and visualsGrammar, pronunciation, and writing instruction

free with in-app purchases

Japanese Calendar Reiwa Widget

Japanese Calendar Reiwa Widget

Japanese Calendar Reiwa Widget

Reiwa Widget Japanese Calendar

This app provides a free Japanese calendar and Reiwa widget for iOS devices. It offers quick reference tables, search functionality for various calendar systems, and personal notes. Enjoy dark mode and home screen widgets for easy access.

Japanese calendar and Reiwa widgetQuick reference table and searchWestern calendar, Japanese calendar, era, age, zodiac signs

Japanese Basic -NIHONGO-

Japanese Basic -NIHONGO-

Japanese Basic -NIHONGO-

Let's start learning Japanese!

Learn basic Japanese vocabulary, characters, and phrases with this beginner-friendly app. It offers offline access, customizable pronunciation, and a red sheet function for effective memorization. Expand your learning with in-app purchases for additional words.

Basic Japanese vocabulary and phrasesHiragana and Katakana studyOffline access

free with in-app purchases

Koyomi - Simple Calendar

Koyomi - Simple Calendar

Koyomi - Simple Calendar

Vertical Scrolling Calendar

This calendar app offers intuitive operation with a unique vertical scrolling interface. Its refined design makes daily use enjoyable, allowing seamless navigation through past and future schedules. It aims to support users in organizing their fulfilling days.

Continuous vertical scrollingRefined and simple designIntuitive and easy operation

📊 Productivity

Aomi Japanese: Speaking

Aomi Japanese: Speaking

Aomi Japanese: Speaking

Learn Japanese pitch-accent

This app uses pitch-accent recognition and visualization technology to train your Japanese speaking skills and pronunciation. It helps you develop articulation, learn proper pronunciation, and enrich your vocabulary with native expressions through visual feedback.

Pitch-accent recognitionVisualized pronunciation feedbackDevelop articulation

Japanese learning apps

Japanese learning apps

Japanese learning apps

Learn Japanese!!

This app offers a beginner-friendly approach to learning Japanese vocabulary. It covers essential topics like food, family, and daily actions through structured lessons. Ideal for those starting their Japanese language journey.

Learn 280 frequently occurring Japanese wordsBeginner-focused lessonsCovers diverse topics (food, family, nature, etc.)

Learn Japanese 2025

Learn Japanese 2025

Learn Japanese 2025

Learning language words course

Master Japanese reading, writing, and speaking with this beginner-friendly app. It offers offline access, native speaker audio, and illustrated vocabulary to accelerate your learning. Focus on essential topics and track your progress with detailed statistics.

Offline learningIllustrated vocabularyNative speaker audio

free with in-app purchases

🎬 Entertainment

Numbers in Japanese language

Numbers in Japanese language

Numbers in Japanese language

Course: Learn&Translate online

Master Japanese numbers with interactive tests and a unique learning algorithm. Features include digital/alphabetic writing options, math and logic challenges, and a number converter. Track your progress with detailed statistics.

Learning number testsQuick knowledge checksMath problem solving

free with in-app purchases

Get Talking Japanese in Ten Days

Get Talking Japanese in Ten Days

Get Talking Japanese in Ten Days

by Hachette UK (Holdings)Limited

Learn essential Japanese phrases and cultural tips for travel in just 10 days. Engage in interactive role-plays and practice pronunciation to gain confidence in speaking.

10 common travel scenariosCulture and travel adviceInteractive role-plays

free with in-app purchases

FAQ about Koyomi | Japanese Year Checker

Are there free koyomi | japanese year checker apps for iPhone?

Yes — 19 of the top koyomi | japanese year checker apps we rank are free to download, including Koyomi | Japanese year checker and Koyomi (Calendar).

Does Koyomi | Japanese year checker have ads or in-app purchases?

Koyomi | Japanese year checker shows ads and offers in-app purchases, according to its App Store listing as of October 2026.

How many koyomi | japanese year checker apps are on the App Store?

We track 241+ koyomi | japanese year checker apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.