Knuff for Mac

macOS app for testing Apple Push notifications

Knuff is a lightweight, no-cost utility for working with the Apple Push Notification Service (APNs) on macOS. It gives developers a simple way to transmit test push messages and observe how APNs handles delivery without needing to build a full client or server flow.

Primary functions and benefits

• Real-time delivery monitoring that shows when messages are accepted or rejected.
• A clean, approachable interface that shortens the time to get started.
• Support for sending and receiving pushes to multiple device tokens for broader testing.
• Comprehensive logs that make it easier to trace errors and pinpoint configuration problems.

Installation and workflow

Getting started is straightforward: install the app on a Mac, supply your APNs credentials, then compose and dispatch test notifications. The app displays status updates and detailed logs as notifications move through APNs, helping you rapidly validate payload structure, certificates or keys, and token handling.

Typical use cases

• Validate notification payloads and formats before they go to production.
• Test behavior across several registered devices and simulate different delivery scenarios.
• Troubleshoot authentication or certificate/key issues by inspecting server responses and logs.

Suggested free alternative

CheatSheet (free) is commonly recommended as an alternative tool. It focuses on helping developers with quick reference information and lightweight testing workflows that complement a dedicated debugging app like Knuff.