Comparison

ONE Pro vs Charm

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

Head to head
About

ONE Pro

Manage salon schedules, appointments, and client files efficiently. This app is designed for hairstylists and salon teams using L’Oréal Professionnel products, offering integrated tools for services and product management.

Highlights
  • Appointment management with reminders
  • Client file management with history and photos
  • Technical service management
  • Optimized screens for colorists
  • Team coordination
  • iCloud synchronization
Features
Read full description

ONE Pro is the iOS application designed for independent hairstylists, salon managers, and teams using L’Oréal Professionnel products. It offers complete and efficient management of schedules, appointments, and client files. It is the all-in-one solution to coordinate a team and centralize appointments and client files. Why choose ONE Pro • Specifically designed for managers and hairstylists using L’Oréal Professionnel products • Complete, intuitive, and easy to use • Work with precision thanks to integrated L’Oréal Professionnel products • Secure access to your data across all your iOS devices Key Features • Appointment management, with automated email reminder options • Client file management, including appointment history, services, and photos • Technical service management, with integrated L’Oréal Professionnel products • Optimized screens for colorists, including grams and tube portion measurements • Coordination of a team of stylists, colorists, and receptionists, when needed • iCloud synchronization with built-in Apple security Ideal for: • Independent hairstylists • Salon managers • All hairstylists using L’Oréal Professionnel products Integrated Services • Consultation • Color Remover • Bleaching • Highlights • Balayage • Coloring • Toner • Smoothing • Perm • Treatment • Haircut • Blow-Dry Integrated Products Color Remover • Efassor Bleaching • Blond Studio Coloring • Dia Color, Dia Light, INOA, Majirel Treatment • Fusio-Dose, Fusio-Scrub Smoothing • X-Tenso Perm • Dulcia Advanced In-App Purchases Level 1 Subscription A Level 1 monthly subscription (in-app purchase) is required to create an unlimited number of appointments and client files. The ONE Pro application remains free for your team members. Level 2 Subscription A Level 2 monthly subscription (in-app purchase) is required to create an unlimited number of appointments and client files and include automated email appointment reminders. The ONE Pro application remains free for your team members. Legal Links • View our TERMS OF SERVICE at: https://oneapps.ca/pro/terms-of-service • View our PRIVACY POLICY at: https://oneapps.ca/pro/privacy-policy

About

Charm

Manage client information, hair color formulas, and appointment details for beauty professionals. Save client visit history, photos, and pricing to streamline salon operations and enhance client satisfaction. Access your data securely from any mobile device.

Highlights
  • Client profile management
  • Hair color formula saving and editing
  • Photo albums for client work
  • Service pricing and product tracking
  • Client birthday reminders
  • Public hairstyle inspiration gallery
Features
Read full description

Staying organized for a busy stylist is hard, but not anymore! With Charm, you can manage your client information, hair color formulas, hairstyle photos, and more - all in one place. This App saves you time behind the chair and ensures all your beauty salon customers are happy. Stop wasting time with paper index cards or unfit appointment booking Apps. Try out Charm App today for free! App features: 1. Select hair color palettes that you work with 2. Set up your beauty client profiles and contact details 3. Create new hair color formulas during or after the client visit. Easily copy and edit formulas from previous visits. Everything is saved under the client profile 4. Take photos of your work. Create photo albums for each client 5. Save pricing and discounts, beauty services provided, styling products used and other important info for each client visit 6. Set reminders for client birthdays and surprise your clients during the appointment 7. Look for inspiration in public gallery of hairstyles with detailed color formulas and techniques Never worry about forgetting the hair color formula during your client visit! Your data is securely stored in the cloud and available on all of your mobile devices. You will find a variety of hair color palettes available for you to use, including well know brands such as Wella, Loreal, Schwarzkopf, Matrix Hair, Redken, Paul Mitchell, Joico, Pulp Riot, Pravana, Kenra Professional, Keune, Alfaparf, Goldwel, Davines, salon centric, gloss, handsome, cosmoprof and others. Our mission is to inspire confidence in every hairstylist, hairdresser, barber, or hair colorist.

Screenshots

ONE Pro4 screens
Charm4 screens

Verdict

The call

The clearest difference is review sentiment: ONE Pro at 100% against Charm's 33%. Charm's advantage is update cadence (weekly vs every 5 weeks) and iOS requirement (15.0 vs 18.6). 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. ONE Pro sells 2 in-app purchases, starting at $7.99 per month and Charm sells 8 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

ONE Pro ships an update every 5 weeks, Charm weekly. Both last shipped on October 24, 2026.

Scorecard3 real differences · 7 level
ONE Pro versus Charm: the parameters behind the verdict, then further details
ParameterONE ProCharm
PriceFreeFree
Rating—4.7 (73 ratings) — better
Positive reviews100.0% of reviews — better33.3% of reviews
Number of ratings—73 — better
Update frequencyEvery 5 weeksWeekly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.615.0 — better
Further details — not scored
Size17 MB70 MB
Age rating4+4+
DeveloperApplications de coiffure one inc.UAB COLOURIST GUIDE

Customer experience

ONE Pro

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Charm

All ratings71 ratings
Positive90.1%
Neutral2.8%
Negative7.0%
Written reviews3 reviews
Positive33.3%
Neutral0.0%
Negative66.7%

In-app purchases

2 purchases

ONE Pro

Subscriptions2
  • Level 1$7.991 Month
  • Level 2$9.991 Month
8 purchases

Charm

Subscriptions7
  • Premium monthly subscription$3.991 Month
  • Premium monthly subscription$5.991 Month
  • Premium monthly subscription7 Days trial$7.991 Month
Show 4 more
  • Premium yearly subscription$34.991 Year
  • Premium yearly subscription$45.991 Year
  • Premium yearly subscription1 Month trial$79.991 Year
  • Premium yearly subscription1 Year trial$79.991 Year
One-time1
  • Premium Lifetime Access$149.99

Questions

Is ONE Pro free?
ONE Pro is free to download, with in-app purchases available.
Is Charm free?
Charm is free to download, with in-app purchases available.
Do ONE Pro or Charm have ads?
Neither ONE Pro nor Charm shows ads.
Which is updated more often, ONE Pro or Charm?
ONE Pro ships an update every 5 weeks, and Charm weekly. Most recently, ONE Pro was updated on October 24, 2026 and Charm on October 24, 2026.

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