nslogger
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Description:
Modern, flexible logging tool
Type: Cask  |  Latest Version: 1.9.7@0  |  Tracked Since: Dec 28, 2025
Links: Homepage  |  formulae.brew.sh
Category: Developer tools
Tags: logging macos ios developer-tools debugging
Install: brew install --cask nslogger
About:
NSLogger is a high-performance, feature-rich logging framework for macOS and iOS applications. It provides a client-server architecture that separates log generation from visualization, allowing developers to view logs in real-time via a dedicated viewer app. This approach minimizes performance overhead on the device while offering powerful filtering and analysis capabilities.
Key Features:
  • Real-time log streaming over Wi-Fi or USB
  • Powerful desktop viewer with advanced filtering and search
  • Minimal performance impact on the monitored application
  • Supports binary logs for efficiency and secure logging
Use Cases:
  • Debugging iOS and macOS applications in real-time without console clutter
  • Analyzing complex application flows and asynchronous operations
  • Monitoring app behavior on devices connected via USB for security-sensitive environments
Alternatives:
  • os_log – Apple's unified logging system; integrated but less flexible for real-time remote viewing and filtering.
  • CocoaLumberjack – A popular logging framework; primarily file-based or console-based, lacking a dedicated GUI viewer.
Version History
Detected Version Rev Change Commit
Aug 5, 2025 2:21pm 1.9.7 0 VERSION_BUMP 70b6040b
Jul 27, 2024 7:16pm 1.9.7 0 VERSION_BUMP f13e7231