FAQ
Answers to common questions about ALYGN.
Is ALYGN free?
Yes. Face analysis, corrective exercises, and history tracking are all free.
Are my face photos stored on a server?
No. Photos are analyzed only on your device and never sent to a server. Only the resulting numbers (score, type) are saved.
Is the analysis a medical diagnosis?
No — it is a reference self-check. If you have pain, limited mouth opening, or rapid changes, consult a medical professional.
Why does my score vary slightly between measurements?
Lighting, expression, and head angle affect results. ALYGN reduces variance with multi-frame capture, 3D pose correction, and expression detection — measuring weekly under identical conditions is most reliable.
How is the symmetry score calculated?
From 478 facial landmarks we measure 10 metrics across eyes, mouth, jaw, nose, and width, then apply per-area weights to produce a 0–100 score. Higher means more balanced.
Can exercises improve facial asymmetry?
Functional asymmetry from muscle habits can improve with habit correction and exercise. Structural (bone-based) asymmetry cannot be changed by exercise alone and may need medical treatment.
What kind of photo is most accurate?
Face the camera directly, in even frontal lighting, with a relaxed neutral expression, and keep hair off your forehead and jawline.
Where is my analysis history stored?
When logged in, history is saved to your account (server) and follows you across devices. Without login it stays only in your current browser.
Can I delete my records or account?
You can delete individual records on My Page, and delete your entire account from the bottom of My Page. Account deletion removes your account and all server-stored history.
How often should I measure?
Once a week is enough. Facial balance does not shift visibly in a few days, so daily measuring mostly captures that day’s puffiness and lighting. Fixing a weekday and time and measuring under the same conditions makes the trend readable.
How long until exercises show a change?
Tightness and puffiness from muscle tension often ease within one to two weeks, but changes large enough to show up in a score usually take four to eight weeks. Differences that did not come from habits will not move much no matter how long you continue — if nothing changes, re-examine the cause rather than adding more exercise.
Do I need an account to use it?
No. Analysis and exercise content work without signing in. An account only matters if you want your history to follow you across devices; otherwise records stay in the browser you are using.
Can I measure with glasses or makeup on?
Take glasses off — frames can cover the landmarks around your eyes and skew those metrics. Makeup is generally fine, though contouring can affect contour detection; the important thing is measuring in the same state each time.
My score is low — is that serious?
The score is not a diagnosis — it translates the degree of left-right difference into a number. No face is perfectly symmetric, and most people carry some difference. What matters more than the number is whether there is pain or dysfunction: without those, treat it as habit management; with them, see a clinician regardless of the score.
Can teenagers use it?
Measuring is fine, but asymmetry during growth is handled differently: bite and habits can still shape skeletal development, so clear asymmetry warrants an early evaluation at a pediatric or orthodontic clinic before self-care. Do not delay if one-sided chewing or a jutting jaw habit is also present.
There are ads — is my data used for them?
No. Your face photos and measurements are never connected to advertising. Photos never leave your device to begin with, and what the server stores — scores and type — is not shared with ad providers. Ads keep the service free; what ad providers themselves collect is described in our privacy policy.
Can I install it as an app?
Yes. On Android/desktop Chrome use the install banner or the browser menu; on iPhone use Safari’s Share → “Add to Home Screen”.