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aCalendar vs Night Shift: Blue Light Filter

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

aCalendar icon
aCalendar
Night Shift: Blue Light Filter icon
Night Shift: Blue Light Filter

aCalendar vs Night Shift: Blue Light Filter: 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.

Night Shift: Blue Light Filter: Night Shift is an app that adjusts the screen color temperature to reduce blue light exposure from device screens. It helps prevent eye strain and sleep issues caused by blue light at night.

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 Night Shift: Blue Light Filter
Sugggest Score — —
Category Office & Productivity Os & Utilities
Pricing Open Source Freemium

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

Night Shift: Blue Light Filter
Night Shift: Blue Light Filter

Description: Night Shift is an app that adjusts the screen color temperature to reduce blue light exposure from device screens. It helps prevent eye strain and sleep issues caused by blue light at night.

Type: software

Pricing: Freemium

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
Night Shift: Blue Light Filter
Night Shift: Blue Light Filter Features
  • Adjusts screen color temperature to reduce blue light exposure
  • Helps prevent eye strain and sleep issues caused by blue light at night
  • Automatically turns on and off based on sunset and sunrise times
  • Customizable color temperature and intensity settings
  • Supports multiple device types (iOS, macOS, Android, Windows)

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
Night Shift: Blue Light Filter
Night Shift: Blue Light Filter

Pros

  • Reduces blue light exposure and eye strain
  • Helps improve sleep quality
  • Easy to use and configure
  • Available on multiple platforms

Cons

  • May not be as effective as dedicated blue light blocking glasses
  • Can affect color accuracy of the display
  • May not work as well on older devices with less color temperature control

Pricing Comparison

aCalendar
aCalendar
  • Open Source
Night Shift: Blue Light Filter
Night Shift: Blue Light Filter
  • Freemium

Related Comparisons

Learn More About Each Product

aCalendar
aCalendar
Reviews, pricing & alternatives →
Night Shift: Blue Light Filter
Night Shift: Blue Light Filter
Reviews, pricing & alternatives →

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