Selfies you take for a scan; your skin profile answers (skin type, concerns, age range, sensitivities, goals, budget); your scan results; and your email only if you choose to sign in to back up your history; and the star ratings you give products. You can use qlow without an account.
The beauty profile has an optional question about prescriptions that change how skincare behaves (like Accutane). If you answer it, your answer is stored only on your phone — it is never uploaded, never included in account sync, and we never see it. The app uses it for one thing: showing you safety notes about your own saved products. Delete the app (or use "delete my data") and it's gone.
Your photo is sent over a secure connection and analyzed by our AI provider (Anthropic) to generate your insights, then discarded within seconds. We do not store selfies on our servers. A copy is saved only on your device for your before/after, which you can delete anytime. We do not use your face to identify you.
A face photo may be considered biometric information under some laws. We process your selfie only to generate your skincare insights, never to identify you, and we ask your consent before your first scan.
After a scan, you can ask follow-up questions in the chat on your results screen. To answer, we send your typed question — along with the basics of your skin profile (skin type, top concern, age range, any sensitivities, and whether you told us you're pregnant) — over a secure connection to Anthropic, the AI provider that also analyzes your photos. The answer comes back and the conversation stays on your phone; we don't store your questions or the answers on our servers. We do keep a small counter on your phone of how many questions you've asked each day.
The "Ask qlumi anything" chat elsewhere in the app works differently: those answers are pre-written inside the app, so nothing you type there ever leaves your phone.
On your device by default. If you sign in, your scan history is backed up to our cloud provider (Supabase) so you can restore it on another device, protected so only your account can access it.
When you rate a product in the Shop, the star number you choose (1 to 5) is sent to our cloud provider (Supabase) and combined with everyone else's into an average that shows on that product's page. Only the number leaves your phone — the title and notes you write stay on your device. Nobody, including us, can look up who gave which rating; the app only ever reads the averages. Delete your review and your star is removed from the average. Delete your account (or your data) and all of your stars go with it. You don't need to sign in to rate: the app quietly gives your phone an anonymous account id so it can keep you to one rating per product. That id isn't tied to your name or email unless you later choose to sign in.
If you share your invite code, we store that code and a record of which accounts redeemed it, so we can count your friends and hand out the rewards. We never see your contacts and never message anyone on your behalf — sharing happens through your phone's own share sheet.
We use service providers (Anthropic for AI analysis, Supabase for optional cloud backup) to run qlow. The Shop section may contain affiliate links; if you buy through one, the retailer may pay us a commission. We do not sell your personal data.
Use qlow without an account; delete your scans and photos in-app or by uninstalling; stop cloud backup anytime by signing out. Delete a review to pull your star out of the product's average. Contact us at [email protected] to delete cloud-backed data.
qlow is not intended for children under 13. We do not knowingly collect data from them.
If you subscribe to qlow Premium, your payment is handled entirely by Apple through your App Store account. We never see your card number or billing details. The only thing we keep is whether your subscription is currently active, so the app knows what to unlock.
Questions about privacy? Contact [email protected].