LeetCode
HackerRank
Codewars
Devinterview.io
Exercism
GeeksforGeeks
CrackCode — 15-minute daily coding interview prep. Master DSA patterns, system design, and behavioral interviews one cup of tea at a time.
Which is more popular?
Based on our record, RemNote seems to be more popular. It has been mentioned 13 times since March 2021.
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No description of CrackCode.dev yet.
Supercharge your learning, thinking, and organization. Portals, References, and Backlinks Link notes and ideas to supercharge your memory, organization, and thinking skills. Notes and Flashcards Reunited Create flashcards directly within your notes to rapidly break down and remember any body of...
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RemNote - Roam like App with Spaced Repetition System
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Share your experience with using CrackCode.dev and RemNote. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.

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RemNote usually lets you rate yourself after you see the answer. For some cards you can type a response and have RemNote compare it, including optional AI grading. (RemNote Help) Self-rating is still the default;...
RemNote adopts a more structured way of learning. For starters, the app is a note-taking app first, and the flashcard feature is secondary. This means that you can take well-organized notes and then convert them into...
RemNote was developed by Anki users who found the “Question ➡️ Answer” format too one-dimensional. Instead of squeezing the required knowledge into “Question ➡️ Answer” blocks, you can use RemNote to present it the...
Recommendations tracked on public social media and blogs since March 2021.

Tracking CrackCode.dev since May 2026.
Has anybody used remnote.com for IGCSE? If so, how do you use it to make notes/revise? Source: over 3 years ago
Flashcards/spaced repetition is a great way to get familiar with concepts and terms for memorization based subjects. Some apps like Remnote and Quizlet are great since they make you practice concepts you're less familiar with more often... Source: about 4 years ago
We've found and deployed a workaround; http://remnote.com and syncing are back! Thank you again for your patience. We'll post a final update once the underlying issue from our hosting provider is solved. Source: about 4 years ago
When comparing CrackCode.dev and RemNote, you can also consider the following products.

Practice and level up your development skills and prepare for technical interviews.
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Anki is a program which makes remembering things easy. Because it's a lot more efficient than traditional study methods, you can either greatly decrease your time spent studying, or greatly increase the amount you learn.
Compare Anki to CrackCode.dev or RemNote:

HackerRank is a platform that allows companies to conduct interviews remotely to hire developers and for technical assessment purposes.
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Quizlet allows you to review and create flashcards for a variety of subjects, such as math and reading.
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Find, create, and study SMART FLASHCARDS on any device. DOUBLE your learning speed using the most effective study system on the planet. Keep all your content in sync across Brainscape's website and your Android devices.
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