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야르해여
야르꾸르삐뽕
$5.99
About
Transform your device into a precision sound pressure level meter. Analyze real-time A- and C-weighted measurements, view live spectrum analysis, and utilize flexible input options for accurate audio monitoring.
✓Real-time A- and C-weighted measurements
✓Octave-band spectrum analyzer
✓Flexible input options (built-in, USB, Bluetooth)
✓Simultaneous metric display
✓Customizable averaging windows
✓On-device processing for privacy
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What's New in ARCQ SPL
1.4.5
July 16, 2026
Bug hotfix — improved keyboard reliability, and improved external device connection errors.
User reviews
FAQ
What is ARCQ SPL?
ARCQ SPL is a utility app that transforms your iPhone or iPad into a precision sound pressure level meter. It provides real-time measurements for musicians, audio engineers, and AV technicians.
What types of measurements does ARCQ SPL offer?
ARCQ SPL offers LAS/LCS (A- and C-weighted levels with SLOW/FAST weighting), LAeq/LCeq (equivalent continuous level), LCpeak (C-weighted peak), and TWA (time-weighted average).
Can ARCQ SPL analyze sound frequencies?
Yes, ARCQ SPL features a real-time octave-band spectrum analyzer. You can drag across the display to read levels at specific frequencies and double-tap for a full-screen view.
What audio inputs does ARCQ SPL support?
ARCQ SPL supports the built-in microphone, as well as any connected USB, Bluetooth, or headset input. It also supports multi-channel interfaces, allowing you to pick specific input channels.
Is ARCQ SPL designed for professional use?
While ARCQ SPL is designed for real work with features like custom thresholds and profiles, its readings depend on the device's microphone and are not a substitute for a calibrated Class 1/2 sound level meter for compliance work.
How much does ARCQ SPL cost?
ARCQ SPL is a paid application, available for $5.99. There are no in-app purchases or subscriptions.
Does ARCQ SPL have ads?
No, ARCQ SPL is ad-free. The app is designed with privacy in mind, processing all audio on-device without recording, saving, or transmitting any data.
What devices is ARCQ SPL compatible with?
ARCQ SPL is a universal app optimized for both iPhone and iPad. It is also supported on Mac devices.