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Muster vs Day

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Muster compared with Day
DetailMuster logo MusterDay logo Day
What it doesMac menu bar app that shows which Claude Code, Codex or Cursor session needs you One app. Every platform. All Day.
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelOpen source Open source
PricingFree Not given
Key features
  • See which Claude Code, Codex or Cursor session needs you
  • Allow or deny a command from an alert without switching apps
  • See the agent's reason, the whole command or every option with Option-Down
  • Switch to any session with Option-Tab
  • Search sessions from the last three hours
  • View tokens and API cost per session
  • Native macOS AppKit interface
  • Supports remote sessions over SSH
  • Native UI toolkits (AppKit, UIKit, Material Components, WinUI, GTK, Qt)
  • Shared Rust codebase for interface and logic
  • Localization with Fluent catalogs
  • UI testing with DayScript walkthroughs
  • Automated packaging and app store submission preparation
  • Accessibility annotations with native integration
  • Platform-specific extensions in Cargo crates
  • VS Code extension for development workflow
  • Crash reporting integration
  • Reusable components across apps
What makes it different
  • No switching required to approve requests
  • Open source with full code transparency
  • Privacy by default with no analytics
  • Manage multiple sessions from one menu bar
  • Single Rust codebase compiles to native machine code for each target
  • Platform-native appearance and behavior without custom rendering
  • Keep existing Rust libraries unchanged and reuse across platforms
  • Full open source framework under MPL-2.0 with inspectable and modifiable code
  • Unified CLI and test format for all platforms and builds
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)2 no change since last check29 no change since last check
Trust Flow (Majestic)31
Citation Flow (Majestic)1825
Referring domains (Majestic)2429

4 details filled in for both companies.

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