Inku vs LingoDeer for Japanese
LingoDeer is a structured course with grammar notes. Inku is a Japanese vocabulary, phrase, kana and kanji study routine.
How does Inku compare to LingoDeer?
Inku publishes this comparison. LingoDeer's App Store listing describes structured lessons created by language teachers in 20 languages, with grammar tips, studio-recorded audio from native speakers, flashcards and offline lessons. Inku is narrower. It teaches Japanese words, phrases and characters in lessons of five and then reviews them with FSRS.
When is Inku the better choice?
- You want to choose your material. Inku lets you study a JLPT level, an everyday topic, a phrase pack, kana or kanji directly. LingoDeer moves you through its course in order.
- You want a large vocabulary and kanji review. Inku has JLPT N5 to N1 vocabulary decks and 960 kanji, all scheduled with FSRS. LingoDeer teaches vocabulary as part of its lessons.
- You want to add your own words. Inku lets you create your own cards and decks and save catalog words to your Library.
When is LingoDeer the better choice?
- You want a full course with grammar. LingoDeer's listing describes a learning path with grammar tips and notes. Inku does not teach grammar.
- You want offline lessons on Android or iPhone. LingoDeer's listing includes offline learning. Inku has no Android app, and its web app does not promise offline use.
- You are learning several Asian languages. LingoDeer covers 20 languages, including Korean and Chinese. Inku is Japanese only.
Inku and LingoDeer side by side
| Criterion | Inku | LingoDeer |
|---|---|---|
| Format | Lessons of five items, then spaced review | Structured course lessons |
| Grammar | Not taught | Tips and notes in lessons |
| Audio | Pronunciation clips for words, phrases and kana | Studio-recorded native speakers (per listing) |
| Kanji | 960, N5–N1 | Taught within the course |
| Your own cards | Create cards and decks | Not described in listing |
| Languages | Japanese only | 20 |
Sources and pricing
Pricing last checked: October 16, 2026. Prices can vary by country, platform, checkout, tax, and promotion.
Our take
LingoDeer is a course and Inku is a study routine. If you need someone to decide the order and explain grammar, LingoDeer fits. If you want to keep a growing set of Japanese words in memory, Inku fits.
Verdict
Choose LingoDeer for a structured course with grammar notes. Choose Inku for focused Japanese vocabulary, phrase, kana and kanji review.
The two can work together: follow LingoDeer's lessons for grammar and use Inku to review vocabulary at your level.
How we research this
Inku publishes this comparison, so it is not neutral. We check competitor claims against their official websites, help pages and App Store listings (last checked October 16, 2026), and Inku claims against the current iPhone listing and web app. Inku's pronunciation audio is synthesized speech, not human recordings. Found an error? Email app@inkujapanese.com and we will correct it.
Common questions
Which is better for a complete beginner?+
LingoDeer gives a beginner a fixed course order with explanations. Inku gives a beginner kana and N5 vocabulary with audio and review. If you want explanations, start with a course; if you want to build vocabulary, start with Inku.
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