
Duolingo
Busuu
Memrise
Rosetta Stone
Lingvist
HelloTalk
Mondly
Babbel is a paid language learning service that aims to strike a balance between thoroughness and cost efficiency.
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, Babbel seems to be more popular. It has been mentioned 11 times since March 2021.
Website, pricing, platforms and company facts side by side.
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CrackCode.dev
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| Website | babbel.com | crackcode.dev |
| Pricing | — | |
| Company | Startup from Germany · 500 - 999 employees · 2007 | — |
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How often each product is chosen within a category, 0–100% relative to the other.

Share your experience with using Babbel and CrackCode.dev. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.

You can determine your starting point as Babbel offers courses at all levels for users looking to learn a foreign language.
Part of learning in the programme is pronouncing the words you learn. Rosetta Stone was an early developer of speech recognition software, which gives learners feedback on their pronunciation. For more details about...
Duolingo, Memrise, LingoDeer, Busuu, and Babbel are popular choices. Duolingo makes learning fun with games. Babbel designs its interface for each language.
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Recommendations tracked on public social media and blogs since March 2021.

Anyone as experience with feedback on https://www.rocketlanguages.com/ and https://babbel.com/ ? I’m mostly interested in speaking out loud skills, and those two have voice recognition it seems. - Source: Hacker News / over 1 year ago
It’s by know means comprehensive, as I try stuff all the time but these 5 are the consistent ones. 1. Duolingo– This free language-learning platform has become incredibly popular in recent years. It offers interactive lessons, quizzes,... Source: over 3 years ago
I study with babbel.com and listen to Olly Richards on audible for 30 minutes every night. Source: about 4 years ago
Tracking CrackCode.dev since May 2026.
When comparing Babbel and CrackCode.dev, you can also consider the following products.

Duolingo is a free language learning app for iOS, Windows and Android devices. The app makes learning a new language fun by breaking learning into small lessons where you can earn points and move up through the levels. Read more about Duolingo.
Compare Duolingo to Babbel or CrackCode.dev:

Practice and level up your development skills and prepare for technical interviews.
Compare LeetCode to Babbel or CrackCode.dev:

Join the global language learning community, take language courses to practice reading, writing, listening and speaking and learn a new language. Learn English with busuu's .
Compare Busuu to Babbel or CrackCode.dev:

HackerRank is a platform that allows companies to conduct interviews remotely to hire developers and for technical assessment purposes.
Compare HackerRank to Babbel or CrackCode.dev:

Learn a new language with games, humorous chatbots and over 30,000 native speaker videos.
Compare Memrise to Babbel or CrackCode.dev:
