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aCalendar vs Zen Planner

Professional comparison and analysis to help you choose the right software solution for your needs.

aCalendar icon
aCalendar
Zen Planner icon
Zen Planner

aCalendar vs Zen Planner: The Verdict

⚡ Summary:

aCalendar: aCalendar is an open-source calendar and scheduling application for Android. It features a simple interface for managing events, reminders, and tasks. Syncs with various services like Google Calendar.

Zen Planner: Zen Planner is a cloud-based gym and health club management software that helps fitness business owners manage memberships, billing, scheduling, communication, and reporting. It streamlines operations and provides insights to grow the business.

Both tools serve their respective audiences. Compare the features, pricing, and user ratings above to determine which best fits your needs.

Last updated: May 2026 · Comparison by Sugggest Editorial Team

Feature aCalendar Zen Planner
Sugggest Score — —
Category Office & Productivity Sport & Health
Pricing Open Source —

Product Overview

aCalendar
aCalendar

Description: aCalendar is an open-source calendar and scheduling application for Android. It features a simple interface for managing events, reminders, and tasks. Syncs with various services like Google Calendar.

Type: software

Pricing: Open Source

Zen Planner
Zen Planner

Description: Zen Planner is a cloud-based gym and health club management software that helps fitness business owners manage memberships, billing, scheduling, communication, and reporting. It streamlines operations and provides insights to grow the business.

Type: software

Key Features Comparison

aCalendar
aCalendar Features
  • Month, week, day, agenda views
  • Recurring events
  • Reminders and alarms
  • Synchronization with Google Calendar
  • Integration with contacts
  • Multiple calendar support
  • Event sharing via SMS, email
  • Search events
  • Customizable widgets
  • Multiple color themes
Zen Planner
Zen Planner Features
  • Membership management
  • Billing and payments
  • Class scheduling
  • Mobile app
  • Reporting and analytics

Pros & Cons Analysis

aCalendar
aCalendar

Pros

  • Open source
  • Simple and easy to use
  • Good integration with Android
  • Syncs with Google Calendar
  • Basic features for free

Cons

  • Limited features compared to proprietary options
  • No support for iOS or web
  • Sync issues reported
  • Development seems stagnant
Zen Planner
Zen Planner

Pros

  • User-friendly interface
  • Robust feature set for gyms
  • Mobile app for members
  • Integrates with fitness apps and devices

Cons

  • Can be pricey for smaller gyms
  • Limited customization options
  • No offline mode

Pricing Comparison

aCalendar
aCalendar
  • Open Source
Zen Planner
Zen Planner
  • Not listed

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Learn More About Each Product

aCalendar
aCalendar
Reviews, pricing & alternatives →
Zen Planner
Zen Planner
Reviews, pricing & alternatives →

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