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Inku vs Renshuu

Inku vs Renshuu for Japanese

Renshuu is a powerful, forum-backed Japanese web tool. Inku is a native iPhone app. Flexibility vs polish.

BBao HuaUpdated April 21, 202612 min read

Short answer

Renshuu offers deep customization, community-made content, and web-first flexibility. Inku offers a curated, native iPhone experience.

Category: Customizable web-first Japanese SRSPricing: Free tier, $6/mo, $60/yr ProSince: 2011

Intro

Renshuu is a love letter from a small team of Japanese teachers. It has forums, custom schedules, thousands of user decks, and a depth that only 14 years of iteration can produce. Inku is the opposite: one deck, one opinion, built for the 10-minute phone break.

When Inku is the better pick

  • You want a native iPhone app, not a web app. Inku is SwiftUI native. Renshuu is primarily web-based; the iOS app is lighter than the web.
  • You do not want to customize. Renshuu rewards tinkering: custom schedules, custom quiz modes, user decks. Inku gives you one curated deck and one review flow.
  • You want native voice acting. Inku's audio is actor-recorded. Renshuu uses TTS.

When Renshuu is the better pick

  • You want a generous free tier. Renshuu's free tier covers a lot. Inku is subscription-first.
  • You like community-built decks. Renshuu has a large library of user-generated Japanese decks.
  • You want a forum for questions. Renshuu has an active community. Inku is email-only.

Feature-by-feature

FeatureInkuRenshuuWinner
Native appiPhoneLight iOS + web-first
AudioActor-recordedTTS
Deck libraryOne curatedThousands
Free tier7-day trialGenerous free
CustomizationNoneDeep
UI polishHighFunctional
CommunityEmail onlyForum

Inku's favor · Renshuu's favor · roughly even

The honest take

Renshuu is the classic power-user Japanese tool. If you want control and community, it is a wonderful and free option. Inku is the opposite: a finished product you just use. The choice is about what you want to do with your 10 minutes a day.

Verdict

Use Renshuu if: you want web-based, free, and customizable. Use Inku if: you want native iPhone with native audio and no setup.

Try Renshuu's free tier first; if the web-first feel doesn't land, Inku is the native alternative.

From a learner

I came from this app, bounced off, and Inku gave me something I could actually finish. That is the whole pitch.
A learner who tried Renshuu first

Common questions

Is Renshuu really free?+

The free tier is genuinely useful. Paid ($60/yr) unlocks custom decks and more detailed stats.

Which has better Japanese-specific features?+

Renshuu has more depth (pitch accent tracking, custom quiz modes). Inku has better polish. Different tradeoffs.

See more comparisons: all comparison pages. Or start with the full learning roadmap.

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