No. 202of 278 ·Language learning apps

Challenge with Erin! – Japanese Language Test

Android · iPhone

Freedom report

Two barsScore 6.1

Free tierA free tier is on its own pricing page
Runs widely2 of 6 device platforms
DocumentedPlans, terms and facts published

Challenge with Erin! – Japanese Language Test is ranked #202 of 278 in language learning apps on Freedom251, made by Challenge with Erin! – Japanese Language Test (Tokyo, Japan). It runs on Android, iOS. There is a free plan.

Challenge with Erin! – Japanese Language Test plans and pricing

All plans

Free Free iOS and Android app · English and Indonesian versions jpf.go.jp · 12 Oct 2026

Compared on language learning apps

Free plan: Yes
Offline lessons: Yes
Speech practice: Yes
Mobile apps: Yes
Languages offered: 1

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The record

Purpose: The app helps learners study beginner Japanese vocabulary and expressions and check what they remember.
Intended learners: It targets learners from the very beginning of Japanese through around CEFR/JFS A1, including those who have not learned kana or kanji.
Study activities: Its study section includes vocabulary card games, sentence matching, manga dialogue practice, Japanese culture quizzes, and stage review tests.
Weekly tests: The test section has 16 tests in total, allows users to take eight in a week, and changes the questions each week.
Certificates: After completing tests, learners receive a named results certificate, and scores above 80% earn a pass certificate with a medal illustration.
Offline use: The app can be used offline, but ranking participation requires saving points while online.
Language display limit: The app text is in romaji and does not support displaying words in hiragana, katakana, or kanji.
Platforms and languages: The maker’s site lists Android and iOS downloads and English and Indonesian versions.
Sharing: A Japan Foundation article says photos made with the app’s camera frames can be saved and shared on Facebook.
Account information: Registration asks for an email address, password, nickname, country or region, age, and gender, and users may delete or change their registration information.
Rankings and privacy: The privacy policy says the top ten ranking names are shown to all users along with nickname, country or region, total points, and stages cleared.
Security and compliance: For EEA users, the policy says the Japan Foundation complies with GDPR and describes risk-based personal, organizational, and technical safety measures.
Support: The maker directs users with questions to [email protected] and asks users reporting voice recognition issues to include device, operating system, and browser details.
Maker: The app is offered by the Japan Foundation Japanese-Language Institute, Urawa.
Price from: Free

Where it ranks on Freedom251

Best Language Learning Apps in 2026#202 of 278

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Sources

apperin.jpf.go.jp/en/· checked 12 Oct 2026
jpf.go.jp/j/project/japanese/teach/tsushin/news/2· checked 12 Oct 2026
apperin.jpf.go.jp/en/privacy.html· checked 12 Oct 2026
apperin.jpf.go.jp/en/service.html· checked 12 Oct 2026