Nuenki is described as 'Learn a language while you browse the web' and is a language learning tool in the education & reference category. There are more than 50 alternatives to Nuenki for a variety of platforms, including Web-based, iPhone, Android, iPad and Android Tablet apps. The best Nuenki alternative is Duolingo, which is free. Other great apps like Nuenki are Memrise, LibreLingo, Mondly and Busuu.
Duolingo offers a gamified platform to learn over 30 languages for free. Engage in reading, writing, speaking, and listening practice with intelligent chatbots. Join 300 million users and track progress with rewards. Optional Duolingo Plus removes ads and adds features.
Have fun while learning a foreign language with Memrise. The more you enjoy learning, the more (and quicker) your skills will develop. This is why entertainment mixed with real-life, relevant content is at the very core of the Memrise language learning experience.
It's an dedicated app rather than an integrated browser addon.
My goal is to start a community-driven language-learning platform that gives its users and contributors a way to influence its future and adapt it to special requirements.
Features over 1000 language combinations, daily lessons, and 41 real-life conversations, covering 50 key topics and practical vocabulary, offering standard and VR learning, with interactive exercises and tracking for learners at multiple levels.
It's a dedicated app rather than an integrated browser addon.
Provides courses for 12 languages created by native experts, covering grammar, vocabulary, reading, writing, speaking, and listening, with offline mode, placement tests, personalized study plans, official certification, and a global learning community.
It's an dedicated app rather than an integrated browser addon.
Language-learning platform using spaced repetition with images, text, sound, and videos to teach foreign languages without translation. Supports writing exercises and grammar lessons. It offers immediate scoring and customizable feedback, ideal for personalized progression.
It's an dedicated app rather than an integrated browser addon.
Babbel is the new way to learn a foreign language. The comprehensive learning system combines effective education methods with state-of-the-art technology.
Vocabulary.com is the easiest, most intelligent way to improve your vocabulary. It combines an adaptive learning system (The Challenge) with the world’s fastest dictionary (The Dictionary) so that you can more quickly and more efficiently learn words.
It's an dedicated app rather than an integrated browser addon.
Learn Spanish, French, German, Russian, and English with Lingvist – a hyper-efficient vocabulary builder that uses AI to improve your memory.
It's a dedicated app rather than an integrated browser addon.
Immerse in language learning with authentic audio, podcasts, books, and web-imported material, review vocabulary with a spaced repetition system, track progress with usage statistics and avatar growth, and sync your data across devices for online and offline study.
It's a dedicated app rather than an integrated browser addon.
AnkiApp is a simple, efficient, flashcard app that lets you study at your own pace, whenever you have time. Study sessions are as quick as 1 minute or less. It works on phones, tablets, and desktop browsers, and synchronizes automatically between all your devices.
From the official Anki FAQ: "AnkiApp and Anki Pro were developed by separate groups of people, and they are not related to the rest of the Anki ecosystem. They were released years after Anki was already established in the marketplace, and we suspect the names were deliberately chosen to take advantage of the brand recognition we have built up. Using Anki in the name implies that they will function with the other Anki clients, which they do not." The Anki ecosystem is made up of 
Anki, 
AnkiMobile, 
AnkiDroid, and AnkiWeb, all of which are linked from our official website: https://apps.ankiweb.net
It's a dedicated app rather than an integrated browser addon.
A language journaling app where you write about your life in your target language and get detailed corrections, explanations, and personalized coaching.
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Duolingo is a whole website dedicated to learning, it's not an addon that translates on the fly.