Improve Vocabulary

Building vocabulary is the foundation for reading comprehension, fluency, and academic success.

With Readability’s AI-powered reading app, students explore words in context, hear definitions aloud, and develop the confidence to tackle complex texts. The result? A measurable improvement in reading skills, comprehension, and overall academic performance.

Try 30 Days Free!

Grow Vocabulary with Readability

Readability helps children grow their vocabulary through immersive reading, active engagement, and real-time AI support.

As students read aloud, they encounter and decode new words. Our smart tutor listens, offers pronunciation feedback, and explains word meanings, boosting retention and deepening understanding. This kind of vocabulary instruction directly supports the Science of Reading and reinforces phonics, fluency, and comprehension.

How It Works: AI-Powered Vocabulary Builder

With every word your child reads, Readability’s AI:

- Pronounces the word
- Explains the meaning and usage
- Delivers context-rich support
- Adds the word to a personalized vocabulary list for continued practice

This approach makes Readability one of the best vocabulary apps for kids, ideal for English Language Learners, students with dyslexia, and those working to improve reading fluency and comprehension.

Meet your Child at their Level

We give parents (and educators) the opportunity to spend quality time with their kids while practicing vocabulary. Children can review words again and again to master meaning, context and pronunciation, while you cheer them on.

When Readability becomes part of a child's daily routine, they will build confidence and improve their grades, leading to future academic success.

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Fun & educational grade-level stories come to life with bright illustrations.

For K-6th grade, available on:

Smartphone
iPhone & Android
Tablet
iPad & Tablet
Laptop
Chromebook & MacBook