Base vs f.lux Comparison: Reviews, Features, Pricing & Alternatives in 2026

Detailed side-by-side comparison to help you choose the right solution for your team

Updated Apr 2026 8 min read

Base

0.0 (0 reviews)

Base is an all-in-one platform built specifically for Executive Assistants to streamline communication, manage complex schedules, and organize executive preferences in a single, centralized workspace.

Starting at $59/mo
Free Trial 14 days
VS

f.lux

0.0 (0 reviews)

f.lux is a cross-platform computer program that adjusts your display's color temperature according to location and time of day to reduce eye strain and improve sleep quality.

Starting at Free
Free Trial NO FREE TRIAL

Quick Comparison

Feature Base f.lux
Website base.ai justgetflux.com
Pricing Model Subscription Free
Starting Price $59/month Free
FREE Trial ✓ 14 days free trial ✘ No free trial
Free Plan ✘ No free plan ✓ Has free plan
Product Demo ✓ Request demo here ✘ No product demo
Deployment cloud mobile desktop mobile
Integrations Slack Gmail Outlook Google Calendar Zoom Microsoft Teams Salesforce Philips Hue LIFX
Target Users small-business mid-market enterprise solopreneur small-business mid-market enterprise
Target Industries
Customer Count 0 0
Founded Year 2018 2009
Headquarters Columbus, USA Los Angeles, USA

Overview

B

Base

Base is a specialized workspace designed to simplify the high-pressure workflow of Executive Assistants and the leaders they support. Instead of toggling between endless tabs, you can manage executive calendars, track complex travel itineraries, and draft communications from a single dashboard. It helps you move away from fragmented tools like sticky notes and disparate spreadsheets by providing a structured environment for executive intelligence.

You can create comprehensive briefing dossiers, manage 'to-do' lists that sync with executive priorities, and maintain a centralized 'Decision Stream' to track approvals. The platform is built to handle the unique nuances of the EA-Executive partnership, ensuring nothing falls through the cracks while saving you hours of manual administrative work every week.

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f.lux

f.lux is a display management tool designed to align your screen's brightness and color with your internal biological clock. During the day, your screens look like sunlight, but as the sun sets, the software automatically transitions your display to a warmer, amber hue. This shift mimics indoor lighting and reduces the blue light exposure that often interferes with your sleep patterns and causes digital eye strain.

You can customize the experience by telling the software exactly what kind of lighting you have and where you live. It then handles the transitions automatically, so you never have to manually adjust your monitor settings as evening approaches. It is a set-it-and-forget-it solution for anyone who spends long hours in front of a computer, especially during late-night sessions.

Overview

B

Base Features

  • Decision Stream Get quick answers from your executive by sending structured questions that they can approve or deny with a single click.
  • Digest Builder Create beautiful, professional briefings and daily agendas for your executive in minutes using drag-and-drop components and templates.
  • Dossier Management Store and organize critical executive preferences, frequent flyer numbers, and contact details in one secure, easily accessible location.
  • Calendar Audit Analyze how your executive spends their time with automated reporting that categorizes meetings and identifies productivity bottlenecks.
  • Inbox Shadowing Draft responses and manage executive communications more efficiently without the constant need to switch between different email accounts.
  • Task Tracking Manage your own high-priority projects alongside executive requests to ensure every deadline is met and every detail is captured.
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f.lux Features

  • Adaptive Color Tones. Automatically transition your screen from cool daylight tones to warm indoor colors as the sun sets in your specific location.
  • Location-Based Timing. Enter your coordinates or zip code so the software can precisely calculate sunrise and sunset times for your exact area.
  • Custom Color Profiles. Choose from various presets like 'Reduce Eyestrain' or 'Classic f.lux' to find the exact warmth level that feels best for you.
  • Movie Mode. Preserve colors and shadow detail while watching films with a specialized setting that maintains a balanced look for media.
  • Darkroom Mode. Turn your entire screen red and black to preserve your night vision and eliminate blue light entirely in dark environments.
  • Smart Lighting Control. Connect your smart home bulbs to the software to synchronize your entire room's lighting with your computer screen's color.

Pricing Comparison

B

Base Pricing

Base for EAs
$59
  • Unlimited Digests and Briefs
  • Decision Stream access
  • Executive Dossier storage
  • Task and Project management
  • Calendar Audit tools
  • Standard integrations
F

f.lux Pricing

Personal Use
$0
  • Full automated color shifting
  • Location-based transitions
  • Customizable color presets
  • Movie and Darkroom modes
  • Smart bulb integration

Pros & Cons

M

Base

Pros

  • Drastically reduces time spent creating daily executive briefings
  • Centralizes fragmented information into one reliable source
  • Decision Stream simplifies getting quick executive approvals
  • Professional templates improve the quality of executive communications

Cons

  • Requires consistent executive engagement for maximum value
  • Learning curve when migrating from traditional spreadsheets
  • Mobile app experience is less robust than desktop
A

f.lux

Pros

  • Completely free for personal use
  • Extremely lightweight on system resources
  • Significant reduction in late-night eye strain
  • Set-it-and-forget-it automation works reliably

Cons

  • Can interfere with color-accurate design work
  • Occasional flickering during transition periods
  • Interface feels slightly dated compared to modern apps
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