NoiseLog – Decibel Meter

NoiseLog turns your iPhone into a precise sound level meter. Whether you're checking your baby's sleep environment, documenting noisy neighbours, monitoring your workplace, or simply curious about the world around you — NoiseLog gives you clear, real-time decibel readings and keeps a full history of every session. MEASURE • Live dB SPL reading with colour-coded noise level indicator • Min, average, and max levels per session • Visual bar meter that reacts in real time RECORD & REVIEW • Start and stop recording sessions with one tap • Full session history with date, duration, and average dB • Session detail view with an interactive chart EXPORT • Export any session as PDF or CSV — great for landlord disputes, workplace complaints, or personal records Simple. Fast. No account required. All data stays on your device.