Keep the Korean words you meet while reading

A Korean vocabulary tracker for real reading

Rolko helps you explore Korean words in supported text and webpages, then keep useful vocabulary in one place. Basic word lookup is free. Saving new words requires a paid plan; previously saved words remain reviewable on Free. Try the Korean reading demo below to inspect meanings and word states. Demo changes stay on this page and do not transfer to your account.

Start learning

The web app works in every modern browser. No extension required.

Interactive product proof

Try Korean vocabulary states in real reading text

This interactive Korean sample uses Rolko’s shared transcript and word-state components. Demo changes stay local to the page; a signed-in paid plan is needed to save new words for later review.

Reading workspace

매일 쓰는 한국어

Tap or hover a word for its pronunciation and meaning. Mark it as learned or learning.

Word Coverage

Learned: 20%Learning: 20%New: 60%
선생님
매일 조금씩 공부하면 기억하기 쉬워요.

Product workflow

Move from lookup to lasting vocabulary

01

Understand a word in context

Inspect a reading and English meaning while working through supported Korean text.

02

Keep a useful word

With a paid plan, save new vocabulary you want to revisit instead of collecting every word you encounter.

03

Return for review

Use Rolko’s spaced-repetition review flow for saved words while continuing to read on supported surfaces.

Real plan prices

Choose the plan that fits your learning

Compare features and current prices below.

Starter

Light daily learning

$3.99/month

Or $2.42/month on annual billing, billed $29/yr.

  • 100 translations per day
  • 10 Korean audio sentences per day
  • Save 5 new words per day
  • Spaced-repetition review

Plus

Recommended

$6.99/month

Or $4.08/month on annual billing, billed $49/yr.

Everything in Starter, plus:

  • Unlimited word saving
  • Higher translation and Korean audio limits
  • Built for consistent daily learning

Pro

Serious learners

$14.99/month

Or $8.25/month on annual billing, billed $99/yr.

Everything in Plus, plus:

  • 1,000 AI translations every 5 hours
  • 1,500 Korean audio characters per day
  • Priority feature requests
  • Interactive subtitles for Douyin and Bilibili (Coming soon)
Compare current plan details

Related Rolko answers

Common questions

What to know before you start

Is Korean word lookup free?

Yes. Basic lookup is free. Saving new words requires a paid plan; previously saved words remain reviewable on Free. Check current plan details before subscribing.

Does this demo save words to my account?

No. The interactive sample keeps changes on this page only. Sign in and choose a plan that includes new-word saving to keep vocabulary in Rolko.

Can Rolko read Korean text inside images?

No. Rolko does not provide OCR for image or video pixels. Use supported normal text instead.

Can I use the webpage popup on my phone?

The webpage-hover extension is for supported desktop Chromium browsers. Rolko’s web app has separate mobile reading and vocabulary workflows.