Vocabulary, the memorable way

Words you actually remember.

BoneJu turns any word you're learning into a sound-a-like, a tiny absurd story, and a picture you can't unsee. Made with love by Ju, a skeleton in a beret.

Free to start · App Store release coming soon

Bone jour Ju !
Ju, the BoneJu skeleton mascot, waving in a navy beret and red scarf
A wooden Noah's ark balancing on a seal's back, a rainbow arching over them Noun · French
arc-en-ciel
/aʁk.ɑ̃.sjɛl/
rainbow
Sounds like
“ark on seal”
The story
A wooden Noah’s ark balances on the round back of a seal, and a bright rainbow arches over both of them.

A real BoneJu word, exactly as it appears in the app.

How it works

Three steps between “never heard of it” and “can’t forget it”.

1

Add any word

Type it, ask for a themed list (“10 words from a Stendhal novel”), or snap a photo of a book page, and BoneJu pulls the vocabulary out for you.

2

Ju makes it stick

In seconds you get a sound-a-like in your own language, a two-line story that’s just absurd enough, and an illustration of the scene.

3

Keep it forever

Flashcards with spaced repetition, a daily streak, and podcasts at your level replay your words until they’re part of you.

Everything a word needs

Each word becomes a little world, not a line in a list.

🎨

AI illustrations

Every mnemonic is painted into a scene you’ll recognize instantly next time the word shows up.

🎧

Podcasts at your level

Two hosts chat through your list in beginner, intermediate, or advanced mixes, with subtitles.

📸

Photo to word list

Photograph a page of any book and BoneJu extracts the words worth learning from it.

💬

Dialogues & examples

See every word used in real sentences and short conversations, not just a translation.

🔁

Spaced repetition

Practice grades itself into a schedule, so you review each word right before you’d forget it.

🗣️

Native pronunciation

Hear every word spoken clearly, in a calm native voice.

Have a look inside

Real screens from the iPhone app.

BoneJu home screen: illustrated word lists and a 12-day practice streak
Your lists, illustrated
Word page for l'arc-en-ciel with its ark-on-seal picture and sound-alike
Every word becomes a scene
A list page with practice and listen-and-read options
Practice, listen, and read
A flashcard practice session with self-grading buttons
Reviews that schedule themselves

Say Bonjour “Bone Ju !” to your new words

BoneJu for iPhone is in beta. The App Store release is on its way.

Join the beta