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OnSkin: Beauty Product Scanner app icon#2in Ingredient Checking

OnSkin: Beauty Product Scanner

Ingredient Checking · Free + IAP
S Tier
Best in class · #2 of 8
94
4.7★33.4K ratings
Free + IAPprice
3mosince update

What is OnSkin?

OnSkin is an ingredient checker and product scanner listed in the Health & Fitness category. It decodes ingredient labels, gives each scanned product a verdict of Excellent, Good, Not Great or Bad, and adds plain-language notes on every ingredient. The app also includes a Skin Profile based routine builder, Skin Match, Hair Lab and an AI Skin Helper.

Pricing. OnSkin: Beauty Product Scanner is free to download, with in-app purchases on the App Store.

Good for

  • Checking ingredient labels on products you already own
  • Scanning a product in the store before you buy it
  • Finding skincare products that match your skin type and goals

Screenshots

1 / 8

Why this app is in S tier

OnSkin scores 94 out of 100: rating 93, rating count 87, App Store search rank 100, update recency 96. The four parts are averaged with no weights, and S tier follows from that score within this list. The full explanation, as data.

Description

OnSkin is your science-backed ingredient checker and product scanner for skincare, makeup, hair care, and household products - trusted by over 8 million users. Not sure what's actually in the products you use every day? OnSkin decodes ingredient labels, so you know which products are made with clean ingredients - whether you're checking what you already own or scanning before you buy. It's backed by a curated database of 2 million products, from viral K-beauty finds to everyday drugstore staples. INGREDIENT CHECKER Wondering what’s inside that face cream? Scan it and find out. OnSkin is your cosmetic checker for skincare, makeup, hair care, and more, giving you a clear verdict - Excellent, Good, Not Great, or Bad - plus plain-language notes on every ingredient. If it scores low, OnSkin suggests safer alternatives. SKINCARE FINDER Overwhelmed by choice in the skincare aisle? Answer a short questionnaire about your skin type and goals - think moisturizing, calming, or anti-acne - and OnSkin curates matching beauty products, from face cleansers to sunscreen. Less guessing in the store. SKINCARE ROUTINE Want a routine that actually fits your skin? Complete your Skin Profile, and On

Compare in Ingredient Checking

MeasureOnSkinThink DirtySkinSort
TierSSS
Score94 / 10096 / 10090 / 100
Rating4.7 ★4.8 ★4.7 ★
Ratings33.4K56.8K6.4K
Latest ratings · 180d3.5 ★ · 20 reviews2.3 ★ · 20 reviews—
Last update85d ago28d ago7d ago
PriceFree + IAPFree + IAPFree + IAP

Alternatives

See all 7 ›

Where else it ranks

Questions about OnSkin

Is OnSkin free to download?

The App Store listing shows the price as free.

What does the app rate products on?

Each product receives a verdict of Excellent, Good, Not Great or Bad, with notes on every ingredient. Its 15,000+ analyzed ingredients are assessed for safety, quality and toxicity.

Does it work on hair products and household items?

Yes. It scans skincare, makeup, hair care and household products. Hair Lab checks any hair product against your hair type and goals and shows a Hair Match score.

Is OnSkin free?

OnSkin is free to download, with in-app purchases.

What is OnSkin good for?

OnSkin is built for checking ingredient labels on products you already own, scanning a product in the store before you buy it, finding skincare products that match your skin type and goals. It sits in the ingredient checking list on AppTierList.

Is OnSkin worth it?

OnSkin is S tier, ranked #2 of 8 ingredient checking apps with a score of 94 out of 100, from a 4.7 App Store rating across 33,367 ratings. It is in the list's top tiers; 1 app ranks above it.

How does OnSkin compare to Think Dirty?

OnSkin is S tier at 94; Think Dirty is S tier at 96. Think Dirty ranks higher. OnSkin is free to download, with in-app purchases, Think Dirty is free to download, with in-app purchases.

How often is OnSkin updated?

OnSkin was last updated on 2026-07-30, 85 days ago.

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All the facts

Lists
Ingredient Checking (S tier, #2) · Skincare (S tier, #1) · Product Scanning (S tier, #3) · Skincare Product Scanning (S tier, #3)
Tier
S (Best in class)
Score
94 / 100
Rank in list
#2 of 8
Ranking certainty
settled
Price
Free + IAP
App Store rating
4.7 out of 5
Number of ratings
33,367
Recent reviews
3.5 from 20 in the last 180 days
Current version
(85 days ago)
App Store data read
App Store category
Health & Fitness
Good for
Checking ingredient labels on products you already own, Scanning a product in the store before you buy it, Finding skincare products that match your skin type and goals
Requires
iOS 18.0 or later
Size
121 MB
Age rating
4+
Languages
4
Runs on
iPhone
Developer pages
Website · Support · Privacy policy
Maker
unclaimed
As data
JSON · why it ranks here

App Store data read · reviews · ranking · how it is computed