MQTTAnalyzer vs Decibel Meter Studio

Monitor and debug your MQTT broker from iPhone, iPad, or Mac. MQTTAnalyzer is the essential tool for smart home enthusiasts, IoT developers, and anyone working with MQTT-based systems. Free, open source, and no ads. CONNECT WITH CONFIDENCE • MQTT 3.1.1 and MQTT 5.0 support • MQTT and WebSocket connections • SSL/TLS with ALPN and server CA certificate validation • Username/password and client certificate authentication • Support for self-signed certificates • Predefined settings for AWS IoT • Connection diagnostics to identify issues quickly VISUALIZE YOUR DATA • Hierarchical topic tree view • JSON highlighting and pretty-printing • Time series charts for numeric values • ANSI color code rendering • Image viewer with pinch-to-zoom (PNG, JPEG, GIF, WebP, and more) • Hex viewer for binary payloads STAY ORGANIZED • Connect to multiple brokers simultaneously • Subscribe to multiple topics per broker • Full-text search across topics and messages • Unread message indicators • Statistics panel with message counts • Large payload support (10MB+) with export PUBLISH AND CONTROL • Publish messages with QoS and retain flag • JSON message builder with form interface • Delete retained messages from broker • Siri shortcuts for quick actions SYNC ACROSS DEVICES • iCloud sync for settings and certificates • Native experience on iPhone, iPad, and Mac Have feedback or feature requests? Visit our GitHub page — MQTTAnalyzer is open source and community-driven.

Decibel Meter Studio transforms your iPhone into a professional-grade sound level meter. Whether you're checking noise levels at work, measuring concert volumes, or monitoring your home environment, Decibel Meter Studio gives you accurate, real-time audio data in a beautiful interface. REAL-TIME MEASUREMENT • Live decibel (dB) reading with peak hold • Visual waveform and spectrum display • Octave band analysis (31Hz – 16kHz) • FFT frequency analyzer • Color-coded level indicators SOUND REFERENCES • Instantly compare readings to everyday sounds • Understand what your dB level actually means PRO FEATURES Unlock the full power of Decibel Meter Studio: • Unlimited session history (30 days free) • Noise Dose tracking — OSHA & NIOSH standards • Trend charts (weekly & monthly) • Location tagging per session • PDF & CSV export for rich reports • Calibration offset ±20 dB (IEC standard) • A-Weighting filter (IEC 61672) • 7 meter face styles • Home screen & lock screen widget • Ad-free experience Try Pro free for 3 days. Available as monthly or yearly subscription, or lifetime purchase. PRIVACY Your microphone data never leaves your device. No account required. LEGAL Privacy Policy: https://flexyworks.tr/decibel-meter-studio/privacy Terms of Use: https://flexyworks.tr/decibel-meter-studio/terms