Skinsign: Acne Coach & Scanner
What is Skinsign?
Tracks face scans, food barcodes, sleep, stress and water to show which habits line up with acne breakouts.
Skinsign is a health and fitness app that scores face scans for acne, redness, texture and hydration. It reads food barcodes or ingredient labels to flag possible triggers such as added sugar, dairy and seed oils, and it logs food, sleep, stress and water to look for patterns. The listing describes it as a wellness tracking tool, not a medical device.
Pricing. Skinsign is free to download, with in-app purchases on the App Store.
Good for
- Checking whether sleep or food habits line up with breakouts
- Reading ingredient labels for possible acne triggers
- Keeping a daily log of skin scores and habits over time
Screenshots
Why this app is in A tier
A tier follows from that score within this list. The full explanation, as data.
Skinsign scores 86 out of 100: rating 92, rating count 64, App Store search rank 87, update recency 99. The four parts are averaged and A tier follows from that score within this list.
Description
Your acne isn't random. It has a pattern.
Skinsign is the first skin coach that connects your lifestyle to your breakouts. Scan your face, scan your food, log how you sleep and how stressed you feel. See exactly which triggers are showing up on your skin.
WHY SKINSIGN IS DIFFERENT
Read more
Most skin apps recommend more products. Skinsign does the opposite. We help you see how your habits show up in your skin, so you can change what's working against you. Built by someone who spent years fighting acne with every product on the shelf, only to clear his skin by figuring out his own triggers. Skinsign is the tool he wishes he had.
HOW IT WORKS
- SCAN YOUR SKIN
Take a quick face scan. Get four clear scores: acne, redness, texture, hydration. No vague ratings. No vanity metrics.
- SCAN YOUR FOOD
Point your camera at any barcode. Skinsign reads the ingredients, scores the product for your skin, and flags what could be triggering you: added sugar, dairy, seed oils and more. No barcode? Snap the ingredient label instead.
- LOG
Track the four things that actually move your skin: food, sleep, stress, water. Thirty seconds a day.
- DISCOVER
Our Correlation Engine finds patterns you'd never spot on your own. See which habits line up with your clearest days and which show up on the rough ones. The more you log, the more you'll notice.
- UNDERSTAND
Read quick, jargon-free articles on what actually affects your skin. Nutrition. Hormones. Sleep. Stress. No influencer opinions. No product pushing.
WHAT YOU GET
- Face scans with four skin scores
- Daily log for food, sleep, stress, hydration
- Food scanner that scores any barcode and flags your likely triggers
- Personal trigger insights from your own data
- Progress tracking with side-by-side before and afters
- A library of short articles, grounded in science
- A streak system that rewards consistency, not perfection
WHO SKINSIGN IS FOR
If you've tried every serum, every routine, every product, and your skin still won't cooperate, you're probably chasing the symptom and missing the pattern. Skinsign helps you see it.
Best for people between 16 and 30 who want to understand their skin instead of just covering it up.
PRIVACY
Your face scans and logs stay private. We don't sell your data. Ever.
Start your first scan. See what your skin has been trying to tell you.
IMPORTANT
Skinsign is a health & wellness tracking tool. It is not a medical device. It does not diagnose, treat, or cure any medical condition, including acne. Always seek a doctor's advice in addition to using this app and before making any medical decisions regarding your skin.
Terms of Use: https://skinsign.app/terms
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Skinsign
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Questions about Skinsign
Is Skinsign a medical device or a replacement for a doctor?
No. The listing says Skinsign is a health and wellness tracking tool, not a medical device. It does not diagnose, treat or cure acne, and users are told to seek a doctor's advice.
Does the app cost anything to use?
It is free to download.
What happens to my face scans and logs?
The listing says face scans and logs stay private and that the developer does not sell user data.
Is Skinsign free?
Skinsign is free to download, with in-app purchases.
Is Skinsign right for me?
Skinsign is built for checking whether sleep or food habits line up with breakouts, reading ingredient labels for possible acne triggers, keeping a daily log of skin scores and habits over time. It sits in the acne care list on AppTierList.
Is Skinsign worth it?
Skinsign is A tier, ranked #5 of 14 acne care apps with a score of 86 out of 100, from a 4.6 App Store rating across 267 ratings. It is in the list's top tiers; 4 apps rank above it.
How does Skinsign compare to Puffin?
Skinsign is A tier at 86; Puffin is A tier at 86. They score the same. Skinsign is free to download, with in-app purchases, Puffin is free to download, with in-app purchases.
How often is Skinsign updated?
Skinsign was last updated on 2026-09-06, 70 days ago.
Alternatives
Top rated in Acne Care
Categories
All the facts
Ranking
- Lists
- Acne Care (A tier, #5) · Acne Tracking (C tier, #6) · Skin Tracking (C tier, #14) · Skincare (#41, beyond the tiered top)
- Tier
- A (Excellent)
- Score
- 86 / 100
- Rank in list
- #5 of 14
- Ranking certainty
- settled
Ratings
- App Store rating
- 4.6 out of 5, every App Store country
- Ratings
- 267
App
- Price
- Free + IAP
- App Store category
- Health & Fitness
- Current version
- (70 days ago)
- Size
- 61 MB
- Requires
- iOS 15.1 or later
- Age rating
- 12+
- Languages
- 1
- Runs on
- iPhone
Links
- Developer pages
- Website · Support · Privacy policy
- Maker
- not verified
- As data
- JSON · why it ranks here
App Store data read · ranking