Best vocabulary challenges tools in 2025

Hallo.ai

Instant language skill assessment across 60+ languages.

Speaks

Custom language assistants for learning and translation.

Fluent 2.0

Learn languages naturally while browsing the web.

Lingoda

Engaging online language courses with native teachers.

Learn Languages AI

Engaging AI-powered language learning through chat and play.

GoSpeech

Engaging language learning with AI avatars for interactive conversations.

Semaj ai

Learn Japanese confidently with daily interactive lessons.

PromptSandbox

Generate creative prompts to inspire writing and brainstorming.

The GPT Who Lived

An interactive AI for creative storytelling and playful conversations.

PopStory!!

Create and share unique stories with imagination and ease.

Bookhero

Engaging reading library for children and personalized storytelling.

HumanGPT

Collaborative writing experience that invites shared creativity.

Taboo AI

Engaging word-guessing game for language learners.

Synthesis Tutor

Engaging, personalized math learning for children.

Subscription + from $25/m
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Text With History

Engage in conversations with historical figures for interactive learning.

Kids ChatGPT

A safe AI chat experience for children to learn and play.

VocaBuddy

A fun way to track and practice vocabulary for language learners.

No pricing info
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Braintain

Engaging vocabulary builder for interactive language learning.

Fictionary

A creative word-definition guessing game for friends.

NewWord

Personal multilingual vocabulary notebook powered by AI.

Elia

Enhance vocabulary while browsing the internet effortlessly.

FluentU

Learn languages through engaging videos and interactive subtitles.