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aCalendar vs Redmine

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

aCalendar icon
aCalendar
Redmine icon
Redmine

aCalendar vs Redmine: The Verdict

Last updated: May 2026 · Comparison by Sugggest Editorial Team

Feature aCalendar Redmine
Sugggest Score — 1
Category Office & Productivity Business & Commerce
Pricing Open Source free

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

Redmine
Redmine

Description: Redmine, an open-source project management and issue tracking tool. Foster collaboration, manage tasks, and track project progress efficiently. With customizable workflows and extensive plugin support, Redmine provides a flexible platform for diverse project management needs.

Type: software

Pricing: free

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
Redmine
Redmine Features
  • Project management
  • Issue tracking
  • Gantt charts
  • Calendars
  • Wikis
  • Forums
  • Time tracking
  • Custom fields
  • Multiple project support
  • Role-based access control
  • Email notifications
  • REST web service API

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
Redmine
Redmine
Pros
  • Open source and free
  • Highly customizable
  • Great community support
  • Plugin ecosystem
  • Integration with other tools
Cons
  • Steep learning curve
  • Can be slow with large projects
  • Limited native mobile apps
  • Upgrades can be difficult

Pricing Comparison

aCalendar
aCalendar
  • Open Source
Redmine
Redmine
  • free

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Learn More About Each Product

aCalendar
aCalendar
Reviews, pricing & alternatives →
Redmine
Redmine
Reviews, pricing & alternatives →

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