Utilities

Little Snitch

Little Snitch is a macOS network firewall and monitor for people who want to see which apps contact which domains and decide how those connections should be handled.

Apple SiliconIntel€59 one-time for a single license
Official destinations€59 one-time for a single license · Paid one time

macOS 14.0 or later

Availability

Available for macOS

Apple Silicon; Intel

Implementation

Mac network monitor and outbound firewall application

Evidence last checked

Verification

2026-08-21

Reviewed Overview

Little Snitch is a macOS network firewall and monitor for people who want to see which apps contact which domains and decide how those connections should be handled. Objective Development's current product page describes two working modes: an alert flow that asks about a connection and a silent flow that applies existing rules. Its Network Monitor presents process and connection information, while the rule manager can organize app, domain, and system-wide decisions. The current official download page identifies Little Snitch 6.4.1 as compatible with macOS Tahoe, Sequoia, and Sonoma. A read-only inspection of that exact official DMG found x86_64 and arm64 slices in the main application executable, with a declared minimum macOS version of 14.0. The vendor sells direct licenses and offers demo mode without a license key, but its product page says the Network Monitor expires after 30 days in that mode. This is a security-sensitive tool: its purpose is to observe and control outgoing connections, so rule changes can interrupt apps or services. Start by reviewing alerts and existing connections rather than denying broad categories blindly, and check the current license and upgrade terms before buying for more than one person or computer.

Reviewed Features

  • Review outgoing network activity by process and domain in Network Monitor, then inspect a selected connection's details before deciding what rule to create.
  • Use Alert Mode to decide whether a specific connection should be allowed or denied, including a scope such as only the named domain.
  • Use rule groups and profiles to organize connection decisions for applications, macOS services, and network contexts.
  • Install the current official 6.4.1 build on either Intel or Apple Silicon Macs; the architecture claim is limited to the inspected vendor-hosted DMG.

Reviewed Workflows

  • Observe a new connection alert, identify the app and requested domain, then allow or deny the narrowest rule that matches the intended use.
  • Use Network Monitor to trace an application's active connections, then return to the rule manager to refine an existing application or domain policy.
  • Install the current architecture-matched build, evaluate the firewall in demo mode, and confirm the direct license scope before rolling it out to more Macs.

Cautions

  • Little Snitch observes and controls outgoing network connections, so an overly broad deny rule can interrupt an application's expected network access; review the process and domain before saving a policy.
  • The official product page says demo mode provides protection and functionality without a license key, but Network Monitor expires after 30 days; that affects ongoing evaluation workflows.
  • Direct license choices and upgrades have different current scopes and prices; verify the official order page before purchasing for a family, team, or multiple computers.

Verification Sources

These official or authorized sources support only the fact groups listed with each link. They were checked on the date shown; pricing, compatibility, and availability can change.

  • Official product page — obdev.at

    Checked

    Covers: Identity & editorial context, Pricing & purchase, macOS availability & requirements, Platform & architecture, Review date, Features, workflows & cautions, Official media

  • Official release notes — obdev.at

    Checked

    Covers: Pricing & purchase, macOS availability & requirements, Features, workflows & cautions, Official media

  • Official pricing — obdev.at

    Checked

    Covers: Pricing & purchase, macOS availability & requirements, Features, workflows & cautions, Distribution & official destinations

  • Official release notes — obdev.at

    Checked

    Covers: macOS availability & requirements, Platform & architecture, Features, workflows & cautions

Screenshots

Little Snitch rule manager listing active network rules for Mac applications and domains.
Little Snitch connection alert for Safari offering a choice to deny or allow a domain request.

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