SPL Meter

SPL Meter

Sound Level Meter

USD 0.99

11.2for iPhone, iPad and more
24 Ratings
Andrew Smith
40.3 MB
Update Date
in Music
Age Rating
Age Rating
Apps in this category do not contain restricted content.
Apps in this category may contain mild or occasional cartoon, fantasy or real-life violence, as well as occasional or mild adult, sexually suggestive or horrifying content and may not be suitable for children under 9 years of age.
Apps in this category may contain occasional mild indecent language, frequent or intense cartoon or real-life violence, minor or occasional adult or sexually suggestive material, and simulated gambling, and may be for children under 12 years of age.
You must be at least 17 years old to access this App.
Apps in this category may contain frequent and intense offensive language; Frequent and intense cartoon, fantasy or realistic violence: frequent and intense adult, scary and sexually suggestive subjects: as well as sexual content, nudity, tobacco, alcohol and drugs, may not be suitable for children under 17 years of age.
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About SPL Meter

SPL Meter is a professional-grade sound level meter, also known as a decibel or dB meter, for your iPhone, iPad or iPod touch.

Modeled after a traditional analog SPL meter, we have faithfully reproduced all the characteristics and qualities found in those meters, including the ballistics, ranges, filters, and decay rates.

Under the hood we have advanced DSP-based algorithms that meet or exceed ANSI / IEC Type 1 standards. And starting with iOS 6, we can disable the mic filters and limiters, to get the real world performance of a hand-held SPL meter.

And now, upgrade SPL Meter with iTestMic, our pro-grade test & measurement mic, made specifically for iOS devices. Using iTestMic with SPL Meter, you get a calibrated, accurate SPL Meter, that meets industry standards for Type 2 performance. See our website for more information.

But don't compare us to a Radio Shack meter, ours is much more accurate!

We have also included a digital LCD display, as shown in the image, to make this the best SPL meter available for iPhone or iPad. And this is something that the old analog meters never had!

The screen will flip when you flip the phone over, so that you can point the iPhone mic directly at the sound source. (iPhone X does not support upside down mode)

SPL Meter is a universal app -- buy once, and use on all of your iOS devices.

SPL Meter is built by the same team that created the other great professional audio and acoustics apps on the store, Studio Six Digital. Built on the engine of our more expensive "SPL" app, SPL Meter's filters and decay rates meet or exceed ANSI type 1. This app is not a toy or a game.

SPL Meter is the one audio app that everyone who works in audio must have on their phone! Not only have we made the best one, but we've priced it so you can't afford not to get it.


FILTERS -- A and C weighting filters are provided.

DECAY -- Choose ANSI Fast or Slow.

RANGES -- 40dB to 120dB in 9 ranges.

CALIBRATION -- Comes pre-calibrated for the typical iPhone or iPad built-in and headset mic, but you can adjust the calibration if you have a professional, calibrated meter to compare it to. Accesses our cloud-based iOS device calibration database, which we updates as new devices are released.

INTERNAL / EXTERNAL MIC -- Select Internal to activate the included compensation filter, which is designed to flatten the frequency response of the built-in or headset mic. External will work with our iPhone Measurement Mic, to be released later this summer. See our website for more details.

SPL Meter is bargain-priced to make it easy for anyone to check out one of our professional, accurate apps. Studio Six Digital is dedicated to making the iPhone and Touch a professional audio and acoustics test device.

Check out our full line of professional-grade audio and acoustics apps: SPL, the professional digital iPhone sound level meter, SPL Graph, for recording SPL over time, RTA, a 1/3 octave real-time analyzer, FFT, for detailed acoustic analysis, ETC, the energy-time curve function, RT60, for automated octave-band decay time measurement, Speaker Pop, to test speaker polarity, and Generator, the iPhone signal generator.

Also, if you are looking for more great acoustical and audio test apps, have a look at AudioTools, our premier app for audio professionals.
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تحديث لأحدث إصدار 11.2

Last updated on 19/10/2023
الإصدارات القديمة
-Updated for latest iOS devices and new iOS versions
-Bug fixes and stability improvements
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Version History
-Updated for latest iOS devices and new iOS versions
-Bug fixes and stability improvements
-Bug fixes and improvements
-Support for more iOS devices and iOS versions
-Updated for latest iOS devices
-Bug fixes
-Updated calibration for more devices
-Added user registration features
-Bug fixes and stability improvements

-Bug fixes and stability improvements
-Support for direct data file access in Files app
-Support for latest devices and iOS versions
-Updated SPL Meter for IOS 13 compatibility.
-Restored access to calibration page
-Fixed operation for iOS 13

-Updated for latest iOS devices
-Bug fixes and stability improvements
-Updated for latest iOS and iOS devices
-Added new device calibrations
-Upgraded with support for iPhone X and latest iOS versions
-Bug fixes and stability improvements
- Added Calibration Error Report link to support page
- Fixed crashes on iOS 8 and iOS 9
- Fixed issue with multiple Studio Six Digital apps trying to access our accessories
- Updated App Store in-app purchase accessing and authorization for iOS 11

Live Calibration Updates
- Added cloud-based database for all iOS devices that can be updated in real time
- All devices included
- Includes local default files, in case a device has no internet connectivity
- Different databases for each major iOS version, starting with iOS 10
- New iPhones added to live calibration database
-Bug fixes and stability improvements
-Removed ads inadvertently added to previous version
* Updated for latest iOS devices.
* Removed support for older iOS versions, now requires iOS 8 minimum.
* Added simultaneous background launch protection to prevent problems in iOS 10 when plugging in iTestMic or iPrecisionMic when more than one Studio Six Digital app is installed.
* Now ad supported and free!
-Bug fixes and stability improvements
- Updated for iOS 10 and new devices
- Updated to support iPhone 7 and iPhone 7 Plus.
** Added option on the SPL Info page for large or small meter display. Use the small display with iPad Slide Over mode. The option will be in effect the next time that you start the app.
SPL Meter -- Class One calculations meet all ANSI and ISO standards for Type 1 Sound Level Meters.

Now supports multi-tasking Slide Over and Split Screen on newer iPads that support this feature. We are now using the smaller SPL Meter display to best handle this operation.
Calibrations adjusted for all iOS devices.
** Updated for iOS 9.3. New calibrations loaded for all iPads.

** Save/Recall Updates
* New! Auto-save file name options are now available from the Save/Recall screen mini-menu. Tap the icon with 3 lines.
* New! Added auto-save Name List to store frequently-used file names.
* Fixed auto-save sequence numbers resetting after app relaunches.
* Fixed case where files may not be saved when using auto-save immediately after Delete All Files.
* Fixed possible crash if action buttons were tapped with no file name selected.
* Improved auto-save naming.

**Improved referral screen layout.

** Best iOS-based Sound Level Meter!

**Now always uses 24-bit audio mode if iPrecisionMic is present.

**Fixed an issue where internal mic gain could change coming out of the background

** Support Menu
* Fixed Forum page access.
* Fixed "Rate This App" access.
* Fixed access to other Studio Six Digital webpages
* Bug fixes and stability improvements
** Added support for iPad Pro
** Updated for iPhone 6S and iPhone 6S Plus
** Updated for iOS 9.1
** Bug fixes and stability improvements


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تحقق من القائمة التالية لمعرفة الحد الأدنى من المتطلبات SPL Meter.
Requiere iOS 12.1 o posterior.
Requiere iPadOS 12.1 o posterior.
iPod touch
Requiere iOS 12.1 o posterior.
SPL Meter هي مدعومة على اللغات Alemán, Chino simplificado, Francés, Inglés, Japonés, Polaco, Sueco
في SPL Meter عمليات شراء داخل التطبيق. يرجى التحقق من خطة الأسعار على النحو التالي:
Controls & Ad-Free
USD 0.99

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