Mojiru: Learn Japanese

Name: Mojiru: Learn Japanese
Author: Rokku Studio Inc.

LiveRokku Studio Inc.1 app · 249 installsEducationFreeIn-app purchases: $4.99 - $89.99 per itemcom.rokku.mojiru

Learn Japanese kana & JLPT N5–N1 with smart spaced repetition and quizzes.

Alert me ★ Watch Open in Play ↗

Total installs: 249
Installs / day: +5
Rating: —★
Released: 8 Jun 2026
Last update: 19 Jul 2026
Countries: —

Installs per day

gain of the exact counter

Lifetime avg ≈ 2/day (all installs ÷ days since release)

Daily tracking since 11 Oct 2026 · history grows every day

Install history

exact counter from Google Play

3dAll

Dashed: estimate from the release date (no daily data before 11 Oct 2026) · time axis compressed before that day

Daily tracking since 11 Oct 2026 · history grows every day

Change timeline

Full history

No changes recorded yet. We compare every crawl with the previous one and list title, icon, screenshots, description, version, price and availability changes here.

Country availability

Availability has not been checked for this app yet. “Check all countries” looks the app up in about 140 Google Play storefronts and shows where it is live, listed but not installable, or missing — plus any country-specific (custom) store listings.

Top countries

Country data will be available soon.

We estimate where downloads come from using the app’s position in Google Play’s top charts in about 140 countries. This app is not in any chart we have collected yet; the estimate appears as soon as it is.

Top chart positions

Not in any tracked top chart.

App manifest

Read this app's manifest from Google Play: permissions, declared SDKs, components and AdMob app ID. Saved analysis appears here automatically.

Data safety

declared by the developer on Google Play

No data shared with third parties
Collects data Personal info, Financial info, and App activity
Data is encrypted in transit
You can ask for your data to be deleted

This is the developer's own declaration, summarised from the Play listing. The permissions below show what the app is technically able to access.

Permissions

14 in 4 groups

6 Sensitive3 Notable5 Routine

What this app can do with your phone

Record sound using your phone's microphone
Read photos, videos, and other files saved in your phone's shared storage
Add, change or delete photos, videos and other files in your phone's storage
Show its own windows or bubbles on top of other apps you are using

Photos/Media/FilesSensitive2

Access to photos, videos, music and other files stored on your device

Read photos, videos, and other files saved in your phone's shared storageread the contents of your USB storage · READ_EXTERNAL_STORAGE
Add, change or delete photos, videos and other files in your phone's storagemodify or delete the contents of your USB storage · WRITE_EXTERNAL_STORAGE

StorageSensitive2

Access to files, photos and media saved on your phone's storage

Read photos, videos, and other files saved in your phone's shared storageread the contents of your USB storage · READ_EXTERNAL_STORAGE
Add, change or delete photos, videos and other files in your phone's storagemodify or delete the contents of your USB storage · WRITE_EXTERNAL_STORAGE

MicrophoneSensitive1

Access to your phone's microphone to record sound

Record sound using your phone's microphonerecord audio · RECORD_AUDIO

OtherSensitive9

Access to miscellaneous device features that don't fit other categories

Show its own windows or bubbles on top of other apps you are usingdraw over other apps · SYSTEM_ALERT_WINDOW
Change volume and choose which speaker or headset plays soundchange your audio settings · MODIFY_AUDIO_SETTINGS
Start itself automatically as soon as your phone finishes turning onrun at startup · RECEIVE_BOOT_COMPLETED
Keep your phone's processor or screen from going to sleep, which can use more batteryprevent device from sleeping · WAKE_LOCK
Check whether you are online and whether you use Wi-Fi or mobile dataview network connections · ACCESS_NETWORK_STATE
Connect to the internet to load content and send datafull network access · INTERNET
Make your phone vibratecontrol vibration · VIBRATE
Check with Google Play that you got this app legitimatelyGoogle Play license check · com.android.vending.CHECK_LICENSE
Receive push messages sent from the app's servers over the internetreceive data from Internet · com.google.android.c2dm.permission.RECEIVE

Read more · all 14 permissions Show less

Sensitive = can reach personal data, location, camera/mic or act on your behalf. Notable = changes how your device behaves. Routine = normal for almost every app. Source: Google Play's permission list for all versions of this app.

Store listing

Download

Full description

Mojiru is a calm, focused way to learn Japanese — from your very first hiragana character all the way to JLPT N1. • Built around a spaced-repetition system (SRS) that surfaces the right card at the right moment, Mojiru helps you remember • Built around a spaced-repetition system (SRS) that surfaces the right card at the right moment, Mojiru helps you remember more while studying less. LEARN THE KANA • Master every hiragana and katakana character • Clear, beautiful glyphs with native audio • Quick quizzes that lock in recognition JLPT N5–N1 • Vocabulary and grammar for every level • Adaptive spaced-repetition review • Full-length mock tests to check your readiness STUDY THAT STICKS • A smart SRS schedules your reviews automatically • Daily streaks and a study heatmap keep you going • Track progress across kana, vocabulary, and grammar DESIGNED TO BE CALM • A warm “paper and ink” aesthetic, in light and dark • Careful Japanese typography throughout • No clutter, no noise — just you and the language YOURS, EVERYWHERE • Works fully offline • Optional sign-in (Google or email) to back up and sync your progress across devices Mojiru is free to start with hiragana, katakana, and JLPT N5. Mojiru Pro unlocks JLPT N4–N1 and unlimited study. Start today. Learn a little, every day. 文字る。

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