Laying out the streets…STEP 1 OF 3

Koboshi · House #27,553

Look up a word once, see it in every language you know

In the Learning a language neighborhood (Education). In town since 1 Oct 2026.

Nobody has claimed this house yet. Tablif records every new product and gives it a house; when its owner claims it, the lights go on.

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What Tablif read on Koboshi's site

Koboshi describes itself as: “Koboshi: Remember the words you learn, in every language”

What it is

Calls itself “language knowledge base” and “vocabulary memory app”.

  • Calls itself: language knowledge base · vocabulary memory app
“Koboshi is the language knowledge base for multilinguals and polyglots.”
“No. Koboshi is a vocabulary memory app you use beside your other tools.”

Where it puts itself

Positions itself as an alternative to Anki. Rules out “Duolingo replacement” and “language course”. Publishes a comparison page.

  • Alternative to: Anki
  • Says it will not: Duolingo replacement · language course
“Other apps they only remember what happens inside their own walls.”
“How is it different from Anki?”

What it costs

A free tier, free forever. No monthly plan.

  • Monthly: no
  • Free plan: free forever
“Free while we are in beta.”
“There will always be a free plan”

Who it sells to

Sells to consumers. Made for learners. Available in 18 languages.

  • Sells to: consumers
  • Made for: learners
  • Languages: 18 languages
“Koboshi is the language knowledge base for multilinguals and polyglots.”
“Is it good for B1/B2 learners?”

How it runs

No API. AI is a side feature.

  • API: no
  • AI role: a side feature
“Save straight from ChatGPT or Claude with the Koboshi connector.”

What it works with

Integrates with ChatGPT, Claude and Duolingo. Names Claude Code on its pages.

  • Integrates with: ChatGPT · Claude · Duolingo
  • Names: Claude Code
“Save the words you meet anywhere (ChatGPT, Duolingo, a screenshot)”
“Save straight from ChatGPT or Claude with the Koboshi connector.”

What it offers as proof

In beta. Try it without signing up. Publishes a blog.

  • Stage: beta
  • Instant signup: yes
  • Trial asks for: nothing
“Free while we are in beta.”
“Start free”

Sources

Tablif read these pages, last on 1 Oct 2026. Everything above is what the product says about itself; Tablif does not verify every claim.

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