
DeciMate SPL
Practical SPL monitoring
0 ratings
Free
About
DeciMate SPL helps you monitor sound levels during rehearsals, DJ sets, small events, venue checks, and live-sound work. It turns your iPhone into a practical SPL monitoring
companion with a clean real-time meter, calibration tools, threshold alerts, session history, export options, and expressive visual feedback that makes level changes easy to
understand at a glance.
Use DeciMate SPL to keep an eye on loudness trends, spot peaks, document sessions, and share live readings across your local network for dashboards and creative workflows.
Features:
- Live approximate SPL monitoring
- Clear circular input meter with threshold-based visual feedback
- Manual calibration offset and quick “Match Reference” calibration
- Adjustable warning, critical, and peak thresholds
- Threshold presets for common monitoring situations
- Fast and slow response modes
- Session history graph
- Detailed session export with live-monitoring values
- Companion animation with fullscreen focus mode
- Screen-awake fullscreen monitoring for visual use during sessions
- DeciMate Live Link for local network JSON streaming
- Optional OSC streaming for dashboards, tools, and live-production workflows
Important: DeciMate SPL uses the device microphone for practical monitoring. It is not a certified Class 1 or Class 2 sound level meter and should not be used as the sole tool
for legal, workplace-safety, or compliance measurements.
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What's New in DeciMate SPL
1.0
June 17, 2026








