VOICE CLONE
HEXI speaks
in your voice.
When HEXI corrects your pronunciation, it doesn't sound like a robot or a generic native speaker. It sounds like you — speaking the way you will when you're fluent.
Je voudrais un croissant, s'il vous plaît.
52Uvular /ʁ/ is the gap. This is what it sounds like when you say it right.
Je voudrais un croissant, s'il vous plaît.
The psychology
You already know what fluency feels like. You just haven't heard it in your voice yet.
Dörnyei's L2 Motivational Self System (2009) identifies the gap between your current language self and your ideal L2 self as the single strongest motivational force in acquisition. The closer you can make that gap feel, the harder you train.
Hearing yourself speak correctly — not a native speaker, not an AI voice, but you — collapses the psychological distance between who you are and who you're becoming.
Your fluent self as the model
Other apps give you a native speaker to imitate. Voicely gives you yourself — speaking the way you will when the compound is complete. The gap is visible. The distance is real. The motivation follows.
Noticing accelerates acquisition
Schmidt (1990): you cannot acquire a form you haven't consciously noticed. Hearing the correct form in your own voice creates the sharpest noticing possible — the deviation is impossible to ignore.
24-hour rehearsal effect
When HEXI replays your correct pronunciation before sleep, your motor cortex consolidates the new pattern. The clone becomes the template. The gap closes.
How it works
45 seconds of audio.
Your voice, forever.
Record 45 seconds
Read any passage in your target language. Phone mic is sufficient.
HEXI trains your model
ElevenLabs builds your voice model — your timbre, cadence, resonance. Under 2 minutes.
Your clone activates
Every pronunciation correction, VOICECAST narration, and Spark now uses your voice.
Where your clone appears
Not a feature. An infrastructure layer.
Pronunciation feedback
"Here's how you'll say it when this ring is closed." Not a native speaker — you.
Pronunciation →Your fluency score narrated
"Your Ring 3 is the ceiling." Lands differently when it sounds like you saying it.
VOICECAST™ →Mid-session coaching cards
When a Spark fires, HEXI plays the correct form in your voice. The target is you at your best.
Spark™ →Privacy & technology
Your voice belongs to you.
Your voice data is processed by ElevenLabs under strict data processing agreements. It is used solely to generate your personal voice model. It is never used to train shared models, never shared with third parties, and deletable from your account at any time.
Your data
Voice model stored under your account ID only.
No shared training
Your voice is never used to improve models for other users.
Delete anytime
One tap in settings removes your voice model permanently.
Powered by ElevenLabs
Voice model processing is handled by ElevenLabs — stored under your account ID only, never used to train shared models, and permanently deletable from Settings.
Subscription cancellation
Your voice model is retained for 30 days after cancellation, then permanently deleted — or delete it immediately from Settings.
Research foundation
Dörnyei (2009)
L2 Motivational Self System
The ideal L2 self — the image of yourself as a fluent speaker — is the most powerful motivation driver. Hearing yourself speak correctly collapses the gap between present self and ideal self.
Schmidt (1990)
Noticing Hypothesis
You cannot acquire what you have not consciously noticed. Hearing the correct form in your own voice creates noticing that is impossible to achieve with a generic model.
Flege (1995)
Speech Learning Model
New phoneme categories form through repeated, perceptually distinct exposure. Your voice clone ensures the model for imitation is maximally salient — it sounds like you.
Get started
Hear yourself fluent.
Take the quiz. Get your VOICECAST™ score. When the app launches, your voice clone is the first thing HEXI trains.
Start with the quiz →