Comparison

Calendars vs Bobclass Studio Manager

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

Head to head
About

Calendars

This app combines a calendar, task manager, daily planner, and habit tracker. It helps users plan their day, build habits, boost productivity, and stay organized with seamless syncing across all Apple devices. Features include event creation, to-do list management, natural language input, and integration with popular meeting platforms.

Highlights
  • Calendar, task, and habit management
  • Daily, weekly, and monthly views
  • Natural language event creation
  • To-do list organization
  • Cross-device syncing
  • Meeting platform integration
Features
Read full description

Calendars by Readdle is the all-in-one calendar, task manager, daily planner, and habit tracker — seamlessly working across all your Apple devices: Mac, iPhone, iPad, and Apple Watch. Plan your day, build better habits, boost productivity, and stay organized with powerful features and smooth sync between all your devices. What you can do with Calendars: • View and manage your calendar with daily, weekly, and monthly views • Create events, set reminders, and never miss important dates • Use the built-in agenda planner to focus on what matters most • Organize your to-do list and manage your tasks with ease • Quickly add events or to-do items using natural language • Build routines and track your habits to stay consistent • Take a guided productivity course to improve time management and focus • Sync across devices with Google Calendar, iCloud, and more • Customize your planner calendar with color coding and widgets • Join Zoom, Google Meet, or GoToMeeting directly from your calendar • Stay in control of your time, wherever you are Whether you're planning a busy workday, building new habits, or working on personal growth, Calendars brings everything together to help you own your time — across all your Apple devices. Privacy Policy: https://readdle.com/calendars/legal/privacy Terms of Service: https://readdle.com/calendars/legal/terms Have questions, comments, or issues? Don’t hesitate to reach out to us at http://readdle.com/contact

About

Bobclass Studio Manager

Manage your boutique fitness studio with an all-in-one app designed for independent instructors. Handle scheduling, client management, payments, and retail sales seamlessly from your phone or tablet. Keep your clients feeling personal while streamlining your business operations.

Highlights
  • Group class and private session scheduling
  • Client self-booking via custom page
  • Class passes, memberships, and retail sales
  • Stripe payment integration
  • Personalized client notes and history
  • Contact clients via WhatsApp, email, SMS
Features
Read full description

Bobclass is the all-in-one class scheduling and studio management app built for independent instructors and boutique studios. Whether you run a Pilates studio, fitness studio, yoga studio, dance school, or work as a personal trainer, music teacher, or tutor — Bobclass replaces your calendar, spreadsheets, and clipboards with one simple app. Class & appointment scheduling Schedule group classes and private appointments side by side. Set recurring schedules and manage your calendar from your phone. Your clients can book themselves through your online booking page, reducing admin and filling classes automatically. Payments & packages Sell class passes, memberships, and retail items. Track every payment, send invoices with Stripe, and match attendance to packages automatically. Accept credit card, Apple Pay, or Google Pay. No percentage fees — ever. Client management Keep your full client base in one place. Store contact details, take personal notes, view attendance history, and track packages and payments per client. Filter and segment your client list for targeted follow-ups. No separate CRM needed. Progress tracking Keep a diary of notes for each client, including images, videos, and documents. Make training personal by reviewing what you covered last session — whether you teach Pilates, give piano lessons, or do personal training. Why studios choose Bobclass over Mindbody, Eversports, and other studio software: * Built for small studios and independent instructors, not gym chains * No percentage fees on payments or bookings * Fast and simple — you will be up and running in an hour * Online booking page for your clients to self-book classes and appointments * WhatsApp integration — fast and personal communication with your clients * No percentage fees. No hidden costs that the sales rep hides from you until you signed the 1-year contract * Real native apps for iOS, iPad, and Mac and other platforms. This means highly secure, fast, push notifications and running your business in the studio or on the go. A complete app ecosystem for your studio * Bobclass Studio Manager is the hub for studio owners. Your team and clients each get their own app: * Bobclass Team — your instructors and staff see their upcoming classes, client lists, and rosters without accessing your full database. * Bobclass Go — your clients book classes, manage appointments, purchase packages, and view their progress notes — all from their phone. Who uses Bobclass? Pilates instructors, yoga teachers, personal trainers, fitness coaches, dance teachers, music teachers, piano teachers, martial arts instructors, tutors, beauty professionals, and other independent service providers who schedule classes or appointments and want a simple, affordable alternative to complex studio management software. Download Bobclass and start managing your studio today. BOBCLASS PRO, STUDIO and UNLIMITED There are three optional upgrades available as in-app subscriptions which will be charged to your credit card through your Apple ID. Your subscription will automatically renew unless canceled at least 24 hours before the end of the current period. Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings on the device. • Privacy policy: https://bobclass.slite.page/p/HCt0uczFXm8MQw/Privacy-Policy • The system is not intended for medical or clinical environments and does not provide HIPAA‑compliant data storage or processing. • EULA: https://bobclass.slite.page/p/fVv1sB7XeF7FtH/EULA

Screenshots

Calendars4 screens
Bobclass Studio Manager4 screens

Verdict

The call

Calendars and Bobclass Studio Manager both sit at 4.7 stars, but that hides the real split: 96% of Bobclass Studio Manager's written reviews are positive against 55% of Calendars's. Bobclass Studio Manager also leads on iOS requirement (16.0 vs 18.2). Calendars's advantage is ratings volume (122K vs 92) and chart position (#104 vs unranked). On price, rating, update cadence and ads 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. Calendars sells 18 in-app purchases, starting at $3.99 per month and Bobclass Studio Manager sells 3 in-app purchases, starting at $19.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.7 for Calendars against 4.8 for Bobclass Studio Manager. That said, the two scores are not equally well evidenced: Calendars has 122K ratings behind it against 92, so its average is the more settled of the two. Written reviews are what separate them: 55% of Calendars's written reviews are positive against 96% of Bobclass Studio Manager's.

UpkeepUpdate frequency

Calendars ships an update every 11 days, Bobclass Studio Manager weekly. The most recent releases landed on September 24, 2026 and September 21, 2026 respectively.

Scorecard4 real differences · 7 level
Calendars versus Bobclass Studio Manager: the parameters behind the verdict, then further details
ParameterCalendarsBobclass Studio Manager
PriceFreeFree
Rating4.7 (122K ratings)4.8 (92 ratings) — better
Positive reviews55.4% of reviews95.7% of reviews — better
Number of ratings122K — better92
Update frequencyEvery 11 daysWeekly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
Best chart rank#104 — better—
DevicesiPhone, iPad, Mac, Apple Watch — betteriPhone, iPad, Mac
Requires iOS18.216.0 — better
Further details — not scored
Size407 MB86 MB
Age rating4+4+
DeveloperReaddle Technologies LimitedCourt Four Ltd.

Customer experience

Calendars

All ratings121,639 ratings
Positive93.8%
Neutral3.1%
Negative3.1%
Written reviews1,247 reviews
Positive55.4%
Neutral8.9%
Negative35.7%

Bobclass Studio Manager

All ratings92 ratings
Positive94.6%
Neutral0.0%
Negative5.4%
Written reviews93 reviews
Positive95.7%
Neutral2.2%
Negative2.2%

User reviews

Calendars

From 122K App Store ratings

What we love

  • 🌟 Excellent calendar app
  • 👍 Easy to use and organize
  • 🎨 Helpful color-coding
  • 📆 Seamless integration with other calendars
  • 🗓️ Detailed monthly/weekly views

Room to improve

  • 🐛 Occasional glitches and data loss
  • 💰 Concerns over subscription model
  • 🕰️ Cumbersome date/time selection process
  • 🔍 Limited location search functionality
  • 🔄 Sync issues between devices

Bobclass Studio Manager

From 92 App Store ratings

What we love

  • 👍 Intuitive and easy-to-use interface
  • 🚀 Efficient scheduling and booking management
  • 💰 Affordable pricing with one-time fee (no monthly subscription)
  • 📱 Multi-device sync across iPhone, iPad, and Mac
  • 💬 Automated email and text confirmations to clients

Room to improve

  • 🐛 Occasional syncing issues between devices
  • 🔐 Data loss when app logs out unexpectedly
  • ⚠️ Requires in-app purchases to be enabled
  • 📱 Limited functionality on Mac compared to iOS
  • 🔔 Reminder features not fully automatic

Bugs and requests

Calendars

Reported bugs

3 issues
  • Disappearing events and appointments
  • Upgrade process causing data loss
  • Freezing and crashing on certain devices

Requested features

5 requests
  • Recurring events for free users
  • Customizable widgets and app icons
  • Ability to archive/restore past events
  • Improved Apple Watch integration
  • Shared calendars and family management

Bobclass Studio Manager

Reported bugs

7 issues
  • App logs out unexpectedly causing data loss
  • Syncing failures between multiple devices
  • Text confirmation feature broken on Mac after updates
  • In-app purchase requirement blocking app access
  • Display issues (white text on white background)
Show 2 more
  • Occasional booking sync failures between devices
  • Password reset email not sending

Requested features

8 requests
  • Automatic reminder messages for clients
  • SMS text message reminder option
  • iCal/external calendar synchronization
  • Ability to duplicate appointments more easily
  • Client goal tracking feature
Show 3 more
  • Individual client-specific reminders
  • Dark mode color options
  • Automatic class duplication for recurring sessions

In-app purchases

18 purchases

Calendars

Subscriptions9
  • Calendars PRO 1 Month$3.991 Month
  • Calendars by Readdle: Interesting Calendars1 Month trial$3.991 Year
  • Calendars PRO 1 Month7 Days trial$3.991 Month
Show 6 more
  • Calendars PRO 1 Year3 Months trial$19.991 Year
  • Calendars PRO 1 Year7 Days trial2 variants$19.991 Year
  • Calendars PRO 1 Year1 Year trial$19.991 Year
  • Calendars PRO 1 Year14 Days trial$19.991 Year
  • Calendars PRO 1 Year7 Days trial$21.991 Year
  • Calendars PRO 1 Year7 Days trial$29.991 Year
One-time9
  • Calendars PRO LifetimeFree
  • Invites & Attendees Upgrade$1.99
  • Smart Input Upgrade$1.99
Show 6 more
  • Full Upgrade$4.99
  • Interesting Calendars$5.99
  • My schedule planner, Organizer$6.99
  • Full Pack$12.99
  • Reminders & Calendars$19.99
  • Recurring Events$31.99
3 purchases

Bobclass Studio Manager

Subscriptions3
  • Bobclass Pro$19.991 Month
  • Bobclass Studio$34.991 Month
  • Bobclass Unlimited Subscription$44.991 Month

Questions

Is Calendars free?
Calendars is free to download, with in-app purchases available.
Is Bobclass Studio Manager free?
Bobclass Studio Manager is free to download, with in-app purchases available.
Which has better reviews, Calendars or Bobclass Studio Manager?
Bobclass Studio Manager is rated higher. Calendars averages 4.7 out of 5 from 122K ratings, while Bobclass Studio Manager averages 4.8 from 92 ratings.
Do Calendars or Bobclass Studio Manager have ads?
Neither Calendars nor Bobclass Studio Manager shows ads.
Which is updated more often, Calendars or Bobclass Studio Manager?
Calendars ships an update every 11 days, and Bobclass Studio Manager weekly. Most recently, Calendars was updated on September 24, 2026 and Bobclass Studio Manager on September 21, 2026.

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