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The ultimate place to improve your English

A platform that uses artificial intelligence and spaced-repetition with flashcards to help you improve your English communication.

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With our amazing features, educational institutions, students and working professionals are making great progress

Spaced repetition

Nischi uses the technique called spaced-repetition with flashcards. Research has shown that spaced repetition increases learning.

Learn what matters to you

We have categorized all the English words by their usefulness. The most effective way to learn is to focus on what matters most and become comfortable with the words you choose.

As you read

As you read, we will discover all the unfamiliar vocabulary for you. In addition, we will monitor your progress and help you learn the unfamiliar words.

As you watch videos

If you put Nischi in listening mode while watching Movies, TV Shows or videos, it will discover unfamiliar words for you.

During online/offline meetings

Nischi will record the entire meeting and identify unfamiliar vocabulary for you. In your free time, you can study these unfamiliar words and start using them in your daily conversations.

Discover vocabulary through subtitles

Think about the last movie you watched. As a non-native English speaker, you may have difficulty understanding some unfamiliar words. Nischi will discover unfamiliar vocabulary in subtitles of a movie or TV show.

Coming Soon


Nischi will discover unknown words as you listen to songs or podcasts on Spotify. In this way, you can improve your English while having fun.

Learn from community

You can share the vocabulary you've learned with the community. You can also learn from other users in the community to improve your English.

Play a Quiz

It is possible to self-evaluate your English vocabulary by taking a quiz. The purpose of the quiz is to help you recall your English vocabulary actively.

How it works


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Learn english from Movies or TV Shows

Watching movies or TV series is one of the best ways to improve your English. While you watch, many of you are focused on subtitles instead of fully listening to what's being said.

Many of you write down the unknown words and forget to recall them periodically.

Nischi will discover unknown words. So, you don't need to jot it down manually. By using spaced repetition, you will be able to recall the words regularly.

TV Shows
Youtube Videos

Learn english from Youtube videos

In today's world, YouTube is a great source for entertainment and education. It doesn't matter what kind of video you watch on YouTube, Nischi will save unfamiliar vocabulary used in that video for you.

You don't need to devote extra time for improving english. It's the best of both worlds for you.

Improve your english through online/offline meetings

Imagine you're in an online meeting with your team members. You would have thought to note down the unknown words when you heard them in the meeting.

Busy people cannot take note of unknown words. Nischi's desktop client is useful to to remember unknown words spoken during a meeting.

Later, you can recall it.

Offline Meeting
Zoom Meeting
Reading NEWS on
Reading a book in Adobe Reader

Become familiar with unfamiliar words as you read

Whether you are reading NEWS online, reading PDFs or blogs, you may come across unfamiliar words. You can see the meaning of a word in the dictionary. If you don't recall it regularly, you will forget it.

Whenever you encounter an unfamiliar word, if you can see the meaning as well as the translation, wouldn't that be helpful?

Well, the desktop client does this. With CTRL+C or copying any word, you can see its meaning along with a translation in your native language.

Nischi will also captures a screenshot, so if you see the word after a long period of time, you can see from where you saw it first.


Nischi uses the concept of Active Recall and Spaced Repetition.

Active recall involves taking a topic you wish to learn, creating questions based on that topic, and then repeatedly testing yourself on those questions. By forcing your brain to retrieve the information, it ensures that you actively learn it instead of passively reading it.

Spaced repetition is an evidence-based learning technique that is usually performed with flashcards. Newly introduced and more difficult flashcards are shown more frequently, while older and less difficult flashcards are shown less frequently. The use of spaced repetition has been proven to increase the rate of learning.

As a result, you will gain more vocabulary and use it in your daily life.

Studying cards

Become fluent in English

By following these steps, you can become a proficient English speaker in no time.

See our tutorials to learn how to use


Keep track of unknown words as you study

It will be easier for you to keep track of unfamiliar words while you are studying with the desktop client.

  • Whether you copy a word or press CTRL + C on it, you will be able to see the meaning as well as the translation of the word.

  • The unknown word will automatically be added to your default deck.

  • When you copy a word, the entire screen will be captured and saved as a reference. It will be easier for you to remember where you learned this word if you have this reference.

Record your desktop while you are in a meeting or watching video

Using the desktop client, you will be able to keep track of unfamiliar words during an online meeting, or while watching movies, TV shows, or any video you may be watching.

  • During the online/offline meeting, you will learn new words.

  • You can learn new words while watching movies, TV shows, or other videos.

  • You do not have to write down unknown words appearing in movies, TV shows, or other videos.

  • Concentrate on the video instead of subtitles while watching videos.

For Windows
For Mac
Desktop client supports only Windows and Mac. By downloading and using Nischi, I agree to thePrivacy PolicyandTerms.


Educational institutions and working professionals are making great progress with


Educational institutions and working professionals are making great progress with

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Nischi can help you improve your English communication regardless of whether you are a student or a working professional.