Comparison

Keratin Lab vs SEV SKIN

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Keratin Lab

Discover the latest nail trends, book appointments effortlessly, and receive expert care tips. Stay updated with salon news and exclusive offers through push notifications. Share your stunning manicures and earn loyalty rewards with each visit.

Highlights
  • Trendy nail designs
  • Easy appointment booking
  • Expert nail care tips
  • Push notifications and reminders
  • Social sharing of manicures
  • Loyalty rewards program
Features
Read full description

Introducing Keratin Lab, the ultimate nail salon app designed to bring perfection to your fingertips. With a sleek and user-friendly interface, we empower you to explore the latest nail trends, book appointments seamlessly, and stay informed about all the exciting news and updates from our salon. Key Features: 1. Trendy Nail Designs: Dive into a world of captivating nail art and designs. From elegant classics to bold and vibrant patterns, our app showcases a wide range of options to suit every style and occasion. 2. Easy Appointment Booking: Say goodbye to the hassle of calling or visiting the salon to schedule your appointments. With just a few taps on your phone, you can effortlessly book your preferred date and time, ensuring a convenient and personalized experience. 3. Expert Nail Care Tips: Enhance your nail care routine with our expert tips and advice. Discover techniques to strengthen your nails, maintain their health, and achieve long-lasting results. Stay informed and take your self-care to the next level. 4. Push Notifications & Reminders: Never miss out on special offers, discounts, or exclusive events again. Our app keeps you up to date with personalized push notifications, ensuring you're always in the loop and ready to seize exciting opportunities. 5. Social Sharing: Flaunt your stunning manicures with the world! Easily share your nail art creations on social media platforms directly from the app. Inspire others and receive compliments from friends, or even make new connections within the thriving nail art community. 6. Loyalty Rewards: As a valued customer, we appreciate your loyalty. Earn rewards with each visit and enjoy exclusive benefits, such as discounts, free upgrades, or access to exclusive events. Our app keeps track of your rewards, making it easy to redeem them whenever you desire. Download the Keratin Lab app now and elevate your nail salon experience to new heights. Whether you're a nail art enthusiast, a busy professional, or simply seeking a moment of self-indulgence, our app is your gateway to impeccable nail care and artistic expression. Join our vibrant community, book your next appointment with ease, and stay connected with the latest happenings at Keratin Lab. Your perfect nails are just a tap away!

About

SEV SKIN

Easily book beauty treatments like laser hair removal and facials. Track your progress, manage appointments, and earn rewards through a loyalty program. Purchase treatment plans and refer friends for exclusive benefits.

Highlights
  • Book laser hair removal and facials
  • Browse locations, prices, and availability
  • Purchase treatment plans and packages
  • Track treatment progress
  • Manage appointments and calendar views
  • Earn and redeem loyalty points
  • Refer friends for rewards
Read full description

Your booking process just got a whole lot smoother. The SEV SKIN App puts your beauty journey in the palm of your hand. Book appointments, track your progress, and unlock rewards with just a few taps. — BOOKING IS EASIER THAN EVER • Book laser hair removal, skin renewal treatments, and cosmetic injections easily • Browse Sev Skin locations to see prices and appointment availability • Schedule repeat appointments with one click TREATMENT PLANS AT YOUR FINGERTIPS • Browse flexible treatment options for all laser and skin treatments • Purchase packages and memberships • Use the SEV SKIN App to manage treatments and track your progress NEVER MISS A TREATMENT • Review past and upcoming appointments with calendar views • Get personalized notifications to stay on top of your beauty journey THE SEV SUITE LOYALTY PROGRAM • Join THE SEV SUITE loyalty program in the app • Earn points for every in-app booking, purchase, and referral • Collect points and enjoy free service rewards SHARE AND EARN • Use the SEV SKIN App to share your referral link with friends, family, and followers • Those you refer get their first treatment on us • Every redemption gets you enough SEV SUITE points for a free service — ABOUT SEV SKIN SEV Skin is a leading destination for aesthetic care, with more than 70 studios across the United States, offering laser hair removal, cosmetic injections, and skin renewal services at transparent, accessible prices. SEV Skin treatments are performed by registered nurses, nurse practitioners, and laser technicians using the industry’s most trusted, FDA-cleared technologies. Enjoy personalized treatment plans and results that’ll leave you feeling ready for anything.

Screenshots

Keratin Lab3 screens
SEV SKIN4 screens

Verdict

The call

The clearest difference is rating: Keratin Lab at 5.0 against SEV SKIN's 4.2. Keratin Lab also leads on update cadence (fortnightly vs every 3 months). SEV SKIN's advantage is ratings volume (6 vs 1) and iOS requirement (13.0 vs 15.1). On price, ads, in-app purchases and monetization model there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Keratin Lab holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: SEV SKIN has 6 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Keratin Lab ships an update fortnightly, SEV SKIN every 3 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

Scorecard4 real differences · 6 level
Keratin Lab versus SEV SKIN: the parameters behind the verdict, then further details
ParameterKeratin LabSEV SKIN
PriceFreeFree
Rating5.0 (1 ratings) — better4.2 (6 ratings)
Positive reviews—50.0% of reviews
Number of ratings16 — better
Update frequencyFortnightly — betterEvery 3 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.113.0 — better
Further details — not scored
Size396 MB74 MB
Age rating4+12+
DeveloperJTO Enterprise, IncPetrosian esthetic enterprises llc

Customer experience

Keratin Lab

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

SEV SKIN

All ratings6 ratings
Positive83.3%
Neutral0.0%
Negative16.7%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

In-app purchases

None

Keratin Lab

No in-app purchases

None

SEV SKIN

No in-app purchases

Questions

Is Keratin Lab free?
Keratin Lab is free to download, with no in-app purchases.
Is SEV SKIN free?
SEV SKIN is free to download, with no in-app purchases.
Which has better reviews, Keratin Lab or SEV SKIN?
Keratin Lab is rated higher. Keratin Lab averages 5.0 out of 5 from 1 ratings, while SEV SKIN averages 4.2 from 6 ratings.
Do Keratin Lab or SEV SKIN have ads?
Neither Keratin Lab nor SEV SKIN shows ads.
Which is updated more often, Keratin Lab or SEV SKIN?
Keratin Lab ships an update fortnightly, and SEV SKIN every 3 months. Most recently, Keratin Lab was updated on October 24, 2026 and SEV SKIN on October 25, 2026.

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