Opencals: Appointment Booking is the #66 ranked event booking app on Shopify, with a free plan available, as of July 8, 2026.
Opencals: Appointment Booking is a Shopify App Store app by Stan, launched July 2024.
AppRanks data: Opencals: Appointment Booking ranks #66 in Event booking on Shopify App Store, placing it in the top 51% of that category.
AppRanks verdict
Generated from live marketplace data — refreshed daily
Opencals: Appointment Booking is a newly-listed Shopify app with a limited review volume. It is listed in the Event booking category on Shopify App Store, which AppRanks treats as the canonical taxonomy node for ranking and competitor comparison. no published reviews yet means feature claims are unverified by the wider merchant base. Without a published review base, the only fit-signal available is the developer's own documentation plus the marketplace's listing-quality audit (linked below). The free tier lets you trial the entry feature set without committing a payment method. AppRanks tracks rating, review count, pricing tier, and category position daily — the figures on this page reflect the most recent scrape from the canonical Shopify App Store listing.
Pros
- +Free tier available — no card required to evaluate
- +Published by Stan — established developer track record
Cons
- −No public reviews yet — fit and reliability are unverified
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About Opencals: Appointment Booking
How Opencals: Appointment Booking works
Opencals is a versatile booking app for businesses in any industry. It simplifies scheduling with options for one-time, recurring, and custom schedules. Effortlessly manage staff schedules, sync with calendars, create online meetings, and customize your interface. Whether you're running a salon, a gym, or a school, Opencals adapts to your needs, offering flexible service durations and group appointments. Streamline your bookings and enhance your business efficiency with Opencals!
Screenshots
Key features
- Easy Scheduling: Set up one-time, recurring and custom schedules, add days off.
- Manage Locations and Staff schedules with ease.
- Configure Services: Group bookings, flexible duration and custom availability.
- Integrates with Other Apps: Sync with Google Calendar, Meet and Zoom.
- Personalize Your Interface: Fully customizable widgets and emails.
Standardized capabilities
Normalized capabilities detected for this app, comparable across the marketplace.
- Appointment SchedulingEasily schedule appointments with users and manage availability.table-stakes
- Block DatesPrevent bookings or access on specific dates to manage availability.table-stakes
- Booking PagesSet up dedicated pages for booking services and appointments.table-stakes
- Branding OptionsChoose from basic to advanced branding features for your store.Common
- Calendar ManagementOrganize and manage events and appointments in a centralized calendar.table-stakes
- Calendar WidgetDisplay a calendar for users to view and interact with dates.table-stakes
- Booking CancellationEasily cancel bookings with a few clicks.table-stakes
- Capacity Limit ManagementSet and manage capacity limits for events and venues.table-stakes
- Checkout ProcessStreamline the checkout process to enhance customer experience and reduce cart abandonment.Common
- Class ManagementManage and organize classes for your offerings.table-stakes
- Custom CSS StylingApply custom CSS to personalize the look and feel of your store.Common
- Customer AccountsAllow customers to create and manage their own accounts.Common
- Custom Event TrackingTrack and manage custom events for analytics and reporting.table-stakes
- Custom Form BuilderDesign and create tailored forms to meet specific business needs.Common
- Custom NotificationsSend personalized app notifications and alerts to users.Common
- Custom TicketingCreate and manage personalized ticketing options for events or services.Differentiator
- Dedicated Customer SupportWork with a dedicated support team for personalized assistance.
- Deposit ManagementManage customer deposits for bookings and transactions.Differentiator
- Email NotificationsSend timely notifications to customers via email for important updates.table-stakes
- Event Check-InManage attendee check-ins for events seamlessly and efficiently.Common
- Google Calendar IntegrationSync your events and schedules with Google Calendar.Common
- Google Meet IntegrationIntegrate Google Meet for video conferencing directly from your site.Common
- In-Person Event ManagementOrganize and manage in-person events effectively.table-stakes
- Inventory and Order SyncSync inventory and order data across multiple platforms.Common
- Multi-Language SupportOffer a multilingual experience for your customers.Common
- Multi-Location SupportManage operations across multiple locations seamlessly within the platform.Differentiator
- Real-Time Data UpdatesReceive real-time updates on prices and stock levels.Differentiator
- Rental ManagementManage rental listings and transactions efficiently.Common
- Reservation SystemHandle customer reservations seamlessly and effectively.table-stakes
- Content SchedulingSchedule content to be published at specific times automatically.table-stakes
- Staff ManagementManage your team effectively with dedicated staff management features.Differentiator
- Comprehensive Ticketing SystemManage tickets and events seamlessly with a robust system.Differentiator
- Time Slot SelectionAllow users to select available time slots for appointments or events.table-stakes
- Unlimited Booking ManagementManage an unlimited number of bookings for your services or events.table-stakes
- Unlimited IntegrationsIntegrate with an unlimited number of third-party applications and services.
- Zoom IntegrationIntegrate Zoom for video conferencing and webinars.Differentiator
- Data SynchronizationAutomatically sync customer data across platforms for consistency.Common
Pricing plans
Elastic
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Custom14.98/month
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Category rankings
As of Jul 8, 2026- Event booking#66of 130Top 51%
See 90-day rank history for each category
Track daily rank changes, category shifts, and position volatility.
Keyword rankings
Opencals: Appointment Booking ranks for 5 keywords across Shopify App Store. Here are the top 3:
- Rank #20
- Rank #237
- Rank #24
Competitors & alternatives
Opencals: Appointment Bookingdoesn't have curated competitor matchups yet. Other tracked event booking apps on Shopify:
Frequently asked questions
What is Opencals: Appointment Booking?
Opencals: Appointment Booking is an app for Shopify. It is published on Shopify App Store and tracked daily by AppRanks, and it has been listed on the marketplace since 2024. It is listed under the Event booking category on AppRanks, where you can see its current category position, review-velocity trend, and how it compares against the top alternatives in the same space. Developed by Stan.
Is Opencals: Appointment Booking free?
Opencals: Appointment Booking offers a free plan that merchants can install on Shopify without entering payment details. Paid tiers Custom unlock additional features for teams that outgrow the free plan. Pricing details on this page are mirrored from the live Shopify listing and refresh on each scrape cycle.
Who uses Opencals: Appointment Booking?
Opencals: Appointment Booking is actively installed across Shopify stores tracked by AppRanks. Its review base is still building, which usually maps to early-stage merchants and stores piloting a new workflow. It is part of the Event booking category on Shopify.
Where does Opencals: Appointment Booking rank on Shopify?
Opencals: Appointment Booking currently sits at position #66 in the Event booking category on Shopify. That places it in the top 51% of 130 apps tracked in the same category. Category positions are read from the live marketplace ranking and refresh on each scrape, so the number you see here reflects the most recent crawl rather than a long-running average.
What does Opencals: Appointment Booking integrate with?
Opencals: Appointment Booking lists 7 integrations on its Shopify marketplace page. The most prominent are Checkout, Customer accounts, Shopify Admin, Google Analytics, Google Calendar, Google Meet, plus 1 additional integrations listed on the marketplace page. Integration data is mirrored from the live Shopify listing on each refresh, so the set above tracks whatever the developer has currently published — it does not reflect deeper compatibility AppRanks has not been able to verify from public data.
What languages does Opencals: Appointment Booking support?
Opencals: Appointment Booking declares support for 17 languages on its Shopify marketplace listing: English, Russian, Czech, Danish, German, Spanish, with 11 additional locales documented on the marketplace listing. Language coverage is the locale set the developer has explicitly translated the app interface into — a broader set typically maps to a developer with international merchant traction.