9 Best AI Tools for Learning New Words in 2025 [Recommendations]

Learning new words used to mean flipping through flashcards and hoping something stuck. In 2025, that’s no longer the case. AI tools are reshaping how we absorb vocabulary.

These apps turn dull drills into innovative, responsive, and fun experiences. Whether you’re brushing up for an exam or tired of overusing the exact words, this list cuts through the noise. 

We’ve reviewed the best AI tools for learning new words this year so that you can find the one that helps you remember and use them in everyday life.

What are the best AI tools for learning new words this 2025?

There are plenty of apps out there. However, these nine stand out because they help you retain and use new vocabulary. 

The best AI tools for learning new words in 2025 go beyond memorization. They adapt to you, offer helpful learning features, and build habits that stick with you in the long run.

  1. Talkpal
  2. Babbel
  3. Lingowar
  4. Univerbal
  5. Duolingo
  6. Memrise
  7. HelloTalk
  8. Busuu
  9. Lingvist
Talkpal

Talkpal is an AI-powered language learning app that mimics real conversation to help users practice vocabulary and grammar in a natural setting. Unlike traditional flashcard-based systems, it focuses on user interaction. 

Users can write or speak to the AI, receiving immediate corrections and feedback in a realistic voice. The platform includes interactive features like Roleplays, Debates, Characters, and Photo Mode, offering variety and keeping learners engaged. 

It stands out from the best AI tools for learning new words by reinforcing word retention through contextual use rather than rote memorization. This is especially effective for learners who want a stress-free way to build fluency at their own pace. 

Key Features:

  • The app provides real-time grammar and sentence corrections during each chat session.
  • Users can select topics or let the AI introduce new ones to keep conversations dynamic.
  • Roleplay mode allows learners to engage in immersive, scenario-based dialogue practice.
  • Characters with different personalities offer a diverse range of conversation partners.
  • The Photo Mode feature adds a visual context to language learning.
  • Daily use supports memory retention through spaced repetition and consistent exposure.
  • The realistic voice feedback makes listening and pronunciation practice more effective.
  • Learners can track their progress with tools that adapt to their language level.
  • Multiple language options make Talkpal accessible to a global audience.
  • Conversations are fully customizable, giving users control over how they learn.

Pricing

Talkpal offers three pricing options. The Basic Plan is free and includes limited features with a ten-minute daily usage limit. Users can subscribe to the Premium 1-Month Plan for full access at $9.99 per month.

The Premium 12-Month Plan provides the same features for long-term users at a lower monthly cost of $4.99, which is billed annually.

Babbel

Babbel is a research-backed language learning app that helps users develop real-world communication skills in 10 to 15 minutes daily. It’s one of the best AI tools for learning new words because it combines short lessons, grammar training, and pronunciation practice in a structured format.

Its speech recognition technology supports pronunciation, while the built-in review system reinforces memory. Scientific studies from Yale and Michigan State University show measurable progress in oral proficiency and vocabulary recall after regular use.

Key Features:

  • Speech recognition helps improve pronunciation in real time.
  • Content is tailored to your native language, enhancing comprehension and recall.
  • Grammar, listening, speaking, reading, and writing are all covered in every course.
  • Lessons are built for specific situations such as travel, work, or daily life.
  • The review function reinforces learned vocabulary and grammar through repetition.
  • It covers 14 languages with over 6,000 courses and 60,000+ lessons.
  • Studies confirm measurable gains in oral proficiency and vocabulary retention.
  • Lessons are ad-free and distraction-free, making learning more efficient.
  • It’s supported by language experts rather than relying solely on AI models.

Pricing

Babbel’s 6-month plan costs $8.45 per month, billed as a one-time payment of $50.70. The 12-month plan is priced at $6.95 per month, billed annually at $83.40. For long-term access, the Lifetime plan provides complete access to all languages for a one-time payment of $299.50.

Lingowar

Lingowar is a browser-based vocabulary game that helps learners improve word knowledge through short, engaging challenges. 

It replaces passive study with interactive, focused practice. The platform works entirely online, requiring no downloads or setups. You can start playing immediately, with no cost and no login required.

Players can track their scores and monitor progress over time. The format is simple and intuitive, which makes it easy to build a habit without losing motivation.

Key Features:

  • You can play vocabulary games directly from any browser without downloads.
  • Each session reinforces word recognition and recall through repetition.
  • The game adjusts difficulty based on your progress.
  • You can track your improvement with a built-in score dashboard.
  • Learners can choose from a wide variety of word categories and topics.
  • The platform suits students, professionals, and anyone looking to build vocabulary.
  • You can start immediately without account setup or login.
  • Sessions are short, making it easy to fit into a busy schedule.
  • The format encourages consistent engagement without pressure.
  • You build word confidence without traditional studying.

Pricing

Lingowar is entirely free to use. There are no subscription tiers, hidden costs, or paid features. All games, categories, and tracking tools are available at no charge. Users can start learning immediately by visiting the website.

Univerbal

Univerbal is a conversation-based language learning app that helps users practice fluency through realistic dialogue with AI. It focuses on context, clarity, and constant feedback.

Users interact with AI-generated characters in simulated scenarios, such as job interviews, daily conversations, and customer service encounters. Each exchange is personalized based on the learner’s level, interests, and goals. 

Grammar questions and word clarifications can be asked mid-chat without pausing the flow. The AI corrects mistakes in real-time and provides follow-up guidance after each session.

Key Features:

  • Learners can practice conversations that simulate real-life situations, such as meeting someone, dining out, or preparing for a job interview.
  • The AI gives instant, accurate feedback during each conversation and corrects grammar and vocabulary in real time.
  • Every dialogue is customized based on your current language level and chosen topics.
  • You can ask grammar questions in your native language and get clear, direct answers without leaving the conversation.
  • Users develop all four core skills: speaking, listening, reading, and writing.
  • The app includes guided tasks, built-in translation, and vocabulary support to help you stay on track.
  • Progress is tracked with detailed stats, including vocabulary growth and conversation streaks.
  • Over 20 languages are available, including Spanish, French, Chinese, English, and Turkish.
  • The system helps you build sentence structure and natural phrasing through guided conversation.
  • Learners preparing for exams like IELTS, TOEFL, DELE, or DELF can use it for realistic speaking practice.

Pricing

Univerbal offers a free version that allows users to start learning without any upfront cost. Users can upgrade to the Univerbal Pass for unlimited conversation practice and advanced features. 

The monthly subscription, billed through the app, is roughly $13.99. An annual subscription is also available for approximately $89.99. 

Duolingo

Duolingo is a gamified language-learning app that helps users build vocabulary through short, structured lessons. The system emphasizes “recall” through repetition and positive reinforcement, not pressure. You choose from over 30 languages and progress by completing mini-challenges.

The app tracks performance and adjusts difficulty to match your learning pace. Its game-like format makes it easier to stay motivated, especially for beginners. 

While it heavily relies on reading and writing skills, it also provides a strong vocabulary and sentence construction foundation.

Key Features:

  • The app personalizes your learning path by adjusting to how well you perform in each session.
  • Users can choose from over 30 languages, including widely spoken and less common options.
  • Each lesson takes just a few minutes, making daily practice easy to maintain.
  • Mistakes are corrected immediately with simple explanations to reinforce understanding.
  • Language skills are strengthened through reading, writing, and vocabulary-based exercises.
  • Grammar support is built into lessons to clarify language rules as you go.
  • Users can access stories and podcasts in specific languages for added listening practice.
  • The app works on mobile and desktop, syncing your progress across devices.
  • Daily reminders and achievement tracking help maintain long-term motivation.

Pricing

Duolingo provides a free version with access to all language courses, supported by ads. Users can upgrade to Duolingo Plus for an ad-free experience, offline access, and additional progress tracking.

The monthly subscription costs $12.99, and an annual subscription is available for $83.99. Both plans are billed through the app and auto-renew unless canceled.

Memrise

Memrise operates with native speaker videos and AI-driven features. Instead of memorizing disconnected vocabulary, users absorb language in context, hearing authentic accents and expressions.

The AI Buddy feature allows you to speak, build complete sentences, and receive instant feedback, reinforcing fluency and confidence. Lessons are short, flexible, and based on daily scenarios, helping learners move from recognition to recall.

It covers over 30 languages, and the structure supports listening, speaking, reading, and retention.

Key Features:

  • The app features thousands of videos with native speakers using language in natural situations.
  • Users can engage with an AI Buddy that helps practice pronunciation, grammar, and full-sentence construction.
  • Lessons focus on real-life conversations, making vocabulary more relevant and easier to recall.
  • Speech recognition lets you fine-tune your accent and builds confidence in spoken language.
  • Language content adjusts to your ability, helping you improve without feeling stuck or overwhelmed.
  • Learners can set daily goals and receive reminders to build consistent study habits.
  • Interactive games and quizzes promote active recall, reinforcing new words through use.
  • The review function allows you to revisit and strengthen previously learned material.
  • More than 30 languages are supported, including Spanish, Japanese, French, and Korean.

Pricing

Memrise offers three Pro subscription options. The monthly plan is $35.99, and the annual plan costs $98.39 for the first year, approximately $8.20 monthly. Users who prefer a one-time payment can choose the lifetime plan for CA$120.75.

HelloTalk

HelloTalk helps language learners connect directly with native speakers through genuine conversations. It teaches using honest dialogue, not exercises. The app’s matching system connects you with people based on your language goals, level, and preferences.

The app’s matching system connects you with people based on your language goals, level, and preferences. You can send messages, voice recordings, or video chats.

Built-in tools translate and correct your input in real time. Voicerooms and live streams offer more structured group practice led by hosts or fellow learners. HelloTalk supports over 160 languages, giving you access to a global community.

Key Features:

  • Users can chat with native speakers in real time using text, voice, or video features.
  • The AI matching system recommends partners based on language goals and personal filters.
  • Built-in tools allow users to translate, transliterate, and receive pronunciation feedback while chatting.
  • Group conversations in Voicerooms help learners build speaking confidence without pressure.
  • Livestreams offer lessons and discussions led by experienced hosts in real-language settings.
  • Members can post updates, share ideas, and interact socially in the Moments feed.
  • The app allows users to control who they engage with by setting criteria like location or age.
  • Practice is based on real-life language use, improving fluency through direct interaction.
  • Over 160 languages are available, including widely spoken and less common options.

Pricing

HelloTalk is free to use. A premium upgrade for $80 per year unlocks advanced tools such as unlimited translations, priority search, and additional learning features.

Busuu

Busuu guides users from beginner to intermediate levels using clear goals and real-world applications. Lessons follow CEFR guidelines, which makes progress easy to track and measure. Each unit includes reading, writing, speaking, and listening tasks.

You can submit responses and get corrections from fluent speakers, which adds human feedback to AI-powered scheduling. Busuu also includes specialty modules for business communication, travel, and exam preparation specialty modules.

The platform is designed to build communication skills, not just passive recognition. It covers 14 major languages and supports flexible scheduling.

Key Features:

  • Native speakers review your writing and speech, offering corrections based on actual usage.
  • Lessons revolve around CEFR levels, which help you move through structured milestones.
  • Vocabulary is introduced through proper sentences, not isolated word lists.
  • The AI system schedules reviews to reinforce what you learn before it fades.
  • Progress tracking highlights what you’ve mastered and where you need more review.
  • Specialty content includes business language, travel scenarios, and exam prep courses.
  • Video and audio clips feature native speakers to improve your listening accuracy.
  • Learners can interact with a global community for peer support and cultural insight.
  • You can set custom goals and get reminders that align with your learning habits.
  • Each course includes grammar support, writing tasks, and dialogue-based practice.

Pricing

Busuu offers a 12-month plan for $83.40, which is $6.95 monthly. It also has a 6-month option for $50.70, which is $8.45 monthly. For short-term access, the 1-month plan is $13.90.

Lingvist

Lingvist is a data-driven language learning app designed for users who want fast, focused vocabulary acquisition. The app uses an AI-powered algorithm based on spaced repetition to surface vocabulary before you forget it.

Grammar is taught in context, integrated naturally into sentences, without interrupting the learning flow. You can also create custom decks from uploaded materials, tailoring lessons to match specific needs.

Lingvist covers over 50 language pairs, supports multiple learning goals, and tracks every step of your progress.

Key Features:

  • The AI engine identifies your vocabulary gaps and delivers real-time targeted content.
  • Learners can upload their documents to generate fully customized vocabulary decks.
  • Spaced repetition is built into every session, ensuring that you review words at the right moment.
  • Grammar explanations are embedded within meaningful sentence examples to enhance understanding.
  • Users can adjust playback speed and typing settings for a more personalized experience.
  • All vocabulary is drawn from commonly used language, not random or outdated lists.
  • Your progress is tracked continuously, with detailed insights into retention and fluency.
  • The app supports over 50 language pairs, including European and Latin American Spanish, Japanese, and Russian.

Pricing

The monthly plan costs $4.99, and the annual package is $79.00 per year. All these options include a 14-day free trial.

Final Thoughts

If you’re trying to expand your vocabulary by 2025, the best AI tools for learning new words make it easier, faster, and more engaging. 

Whether you’re into conversation, quizzes, or gamified learning, the tool listed above matches your style. Don’t guess your way through language learning. Let the AI do the hard work while you focus on progress.