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aCalendar vs FlashTray Pro

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

aCalendar icon
aCalendar
FlashTray Pro icon
FlashTray Pro

aCalendar vs FlashTray Pro: 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.

FlashTray Pro: FlashTray Pro is a free system tray software that notifies you when websites update their RSS feeds or pages. It can monitor multiple sites and shows desktop alerts when new content is published.

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 FlashTray Pro
Sugggest Score — —
Category Office & Productivity Os & Utilities
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

FlashTray Pro
FlashTray Pro

Description: FlashTray Pro is a free system tray software that notifies you when websites update their RSS feeds or pages. It can monitor multiple sites and shows desktop alerts when new content is published.

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
FlashTray Pro
FlashTray Pro Features
  • Monitor multiple websites for updates
  • Get desktop notifications when new content is published
  • Customize alerts and notifications
  • Blacklist websites to ignore
  • Auto-start monitoring on system startup
  • Portable - works from USB
  • Free and open source

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
FlashTray Pro
FlashTray Pro

Pros

  • Easy to set up and use
  • Lightweight and resource friendly
  • Completely free with no ads or upsells
  • Open source and transparent
  • Cross-platform - works on Windows, Mac and Linux

Cons

  • Basic interface lacks customization
  • Limited to RSS and site monitoring
  • No mobile app
  • Development seems inactive lately

Pricing Comparison

aCalendar
aCalendar
  • Open Source
FlashTray Pro
FlashTray Pro
  • Free

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Learn More About Each Product

aCalendar
aCalendar
Reviews, pricing & alternatives →
FlashTray Pro
FlashTray Pro
Reviews, pricing & alternatives →

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