Comparison

Serenity Bookings App vs Authenticator App

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

Head to head
About

Serenity Bookings App

Easily manage appointments, class bookings, and memberships for your studio, club, or salon. Stay updated with real-time timetables, receive reminders, and track your progress towards fitness goals. Requires your facility to use the Serenity management system.

Highlights
  • View real-time class timetables
  • Manage appointments and bookings
  • Receive booking reminders
  • Update personal profile information
  • Track activity statistics and progress
Features
Read full description

The Serenity app brings you closer to your studio, club or salon with an easy-to-use interface which makes managing appointments, class bookings and your memberships a breeze. View Class Timetables: View your club’s class timetable in real-time. See who’s running the class, how many available seats are left and quickly secure your seat with the push of a button. Manage Bookings: Make and manage bookings with classes, instructors, stylists and other resources offered by the facility. Keep in The Loop and Never Forget an Appointment: Receive push notifications reminding you of upcoming bookings and important notices from staff. Update Your Profile: Keep all your contact information and personal details with the facility up-to-date without having to ring the receptionist to do it for you. Track progress & keep motivated: View plans, routines or workout regimes set by instructors, your activity statistics, visitation history and also progression towards your body goals. Please note that your club must use the Serenity club & studio management system to be able to use this app.

About

Authenticator App

This app provides a secure way to manage your online accounts with two-factor authentication (2FA). It generates time-based one-time passwords (TOTP) to protect against unauthorized access and offers features like cloud synchronization, a private photo album, and a security center for enhanced digital safety.

Highlights
  • Two-factor authentication (2FA) support
  • Generates time-based one-time passwords (TOTP)
  • Cloud synchronization for data backup
  • Private photo and video album
  • Security Center with backup and checks
  • Metadata remover for photos
Features
Read full description

Authenticator App: Strengthen your digital security. In the digital age, Authenticator App is the perfect solution to manage the security of all your online accounts easily and conveniently. This is a simple two-factor authentication (2FA) app that generates time-based one-time passwords (TOTP), protecting your accounts from hackers by adding an extra layer of security and also protecting your personal data Provides double layer of protection. Features: 1. Support two-step verification on all platforms Authenticator App supports a wide range of services and applications, whether you need to protect bank accounts, social media accounts or emails, Authenticator App can provide strong protection. Generating a unique verification code ensures that only you can access your account, greatly reducing security risks caused by password leaks. The Authenticator app supports the most popular services, including Facebook, Coinbase, Amazon, Microsoft, Google, Instagram, Linkedin, Github, Dropbox, and thousands of other providers such as AuthentiCare and Salesforce. 2. Synchronize backup data Realizing users' dual needs for data security and convenience, Authenticator App has launched a synchronization backup function. With cloud synchronization technology, even if you change devices, you don't need to reset the two-step verification for each account, you can restore it directly from the cloud. This not only greatly saves time and effort, but also ensures that all your settings will not be lost if the device is lost or damaged, ensuring data continuity and security. 3. Private photo album In addition to account security, we also understand the importance of personal privacy. Therefore, Authenticator App has built-in privacy album function, allowing you to safely store private photos and videos. These contents will be fully encrypted and only accessible from within the app, ensuring that even if your device falls into the hands of others, these private files cannot be easily viewed. 4.Security Center We provide a comprehensive Security Center to act as a hub for your digital safety. It allows you to securely backup your 2FA codes to prevent data loss and run account security checks to identify potential vulnerabilities. Furthermore, the tool includes a metadata remover that wipes sensitive private information (such as location and device details) from your photos, ensuring your privacy is protected before you share them. Disclaimer: Authenticator App is a third-party authenticator application and is not affiliated with, endorsed by, or connected to any of the specific services or trademarks mentioned. Information about auto-renewing subscriptions: – Payment will be charged to iTunes account at confirmation of purchase. – Subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period. – Account will be charged for renewal within 24 hours prior to the end of the current period. The cost depends on the plan selected. – Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user’s account settings after purchase. Privacy Policy: https://au.autheny.com/log/autheny/page?k=privepolicy Terms of use: https://au.autheny.com/log/autheny/page?k=termsofuse

Screenshots

Serenity Bookings App3 screens
Authenticator App4 screens

Verdict

The call

The clearest difference is rating: Authenticator App at 3.0 against Serenity Bookings App's 2.3. Authenticator App also leads on iOS requirement (13 vs 15.0). Serenity Bookings App's advantage is in-app purchases (none vs 6) and ads (none vs shown). On price, ratings volume and device support 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. Authenticator App sells 6 in-app purchases, starting at $5.99 per 7 days. Serenity Bookings App asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Authenticator App holds the better App Store score, 3.0 against 2.3. Both are backed by a comparable volume of ratings — 3 and 3 respectively. Written reviews complicate that: 33% of Serenity Bookings App's written reviews are positive against 8% of Authenticator App's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Serenity Bookings App ships an update every 3 weeks, Authenticator App every 2 months. The most recent releases landed on October 15, 2026 and October 20, 2026 respectively.

Scorecard7 real differences · 3 level
Serenity Bookings App versus Authenticator App: the parameters behind the verdict, then further details
ParameterSerenity Bookings AppAuthenticator App
PriceFreeFree
Rating2.3 (3 ratings)3.0 (3 ratings) — better
Positive reviews33.3% of reviews — better8.2% of reviews
Number of ratings33
Update frequencyEvery 3 weeks — betterEvery 2 months
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.013 — better
Further details — not scored
Size88 MB19 MB
Age rating4+4+
DeveloperTreshna EnterprisesAuthenticator

Customer experience

Serenity Bookings App

All ratings3 ratings
Positive33.3%
Neutral0.0%
Negative66.7%
Written reviews3 reviews
Positive33.3%
Neutral0.0%
Negative66.7%

Authenticator App

All ratings3 ratings
Positive33.3%
Neutral33.3%
Negative33.3%
Written reviews98 reviews
Positive8.2%
Neutral2.0%
Negative89.8%

In-app purchases

None

Serenity Bookings App

No in-app purchases

6 purchases

Authenticator App

Subscriptions6
  • Authenticator Weekly Plan$5.997 Days
  • Authenticator Weekly Plan$7.997 Days
  • Authenticator Monthly Plan$9.991 Month
Show 3 more
  • Authenticator Yearly Plan$39.991 Year
  • Authenticator Yearly Plan3 Days trial$39.991 Year
  • Authenticator Yearly Plan7 Days trial$39.991 Year

Questions

Is Serenity Bookings App free?
Serenity Bookings App is free to download, with no in-app purchases.
Is Authenticator App free?
Authenticator App is free to download, with in-app purchases available.
Which has better reviews, Serenity Bookings App or Authenticator App?
Authenticator App is rated higher. Serenity Bookings App averages 2.3 out of 5 from 3 ratings, while Authenticator App averages 3.0 from 3 ratings.
Do Serenity Bookings App or Authenticator App have ads?
Authenticator App shows ads; Serenity Bookings App does not.
Which is updated more often, Serenity Bookings App or Authenticator App?
Serenity Bookings App ships an update every 3 weeks, and Authenticator App every 2 months. Most recently, Serenity Bookings App was updated on October 15, 2026 and Authenticator App on October 20, 2026.

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