SignalScope Pro for iOS devices is a real-time signal analysis toolset, suitable for use in areas such as acoustics, audio, electronics, and vibration. SignalScope Pro includes tools for dynamic signal analysis, as well as a signal generator for producing test signals. Optionally save a high-resolution PDF file of the spectrogram plot, or save an image to your Photos library.- Octave-band Analyzer Whole and 1/3-octave RTA (based on digital Butterworth bandpass filters) Fast, Slow, and Impulse response times Flat, A, and C frequency weighting Equivalent and time-weighted exponential average levels Max, peak, and elapsed time also captured- Level Meter Equivalent and time-weighted exponential average levels Flat, A, and C frequency weighting Max, peak, and elapsed time also captured- Oscilloscope Time scales from 0.1 to 1.0 second per division Auto, normal, and single-shot triggering Trigger slope and threshold options- Stereo Signal Generator Random and periodic pseudorandom noise (period defined by FFT length) White and pink noise weighting Lin and log frequency sweeps Tone generator


Similar Apps

Audio Tuning Tools for iPad
Decibel Meter Sound Detector
Octave Band Noise Generator Lite
Sound Level Analyzer
Audio Signal Generator including Sweeps & Noise
Acoustics Basics - Sound & Environmental Engineers

SignalScope Pro alternatives


TurboViewer, winner of the Top 5 ultimate app of all time in the iOS world by Macworld/iWorld TurboViewer is a free application and the first native DWG viewer that supports both 2D and 3D CAD DWG files for the iOS platform. Now available in 15 languages Enjoy smooth multi-touch navigation as you pan, zoom, and 3D orbit effortlessly around your DWG and DXF files. Please stay tuned for future innovative product announcements from IMSI/Design, makers TurboCAD, the #1 best selling CAD in retail, DWG is the native file format for Autodesks AutoCAD software and is a trademark of Autodesk, Inc. Visit for more information and updates.

  • size 298 MB

SketchUp Viewer

SketchUp Viewer brings 3D models to life on your iPad or iPhone allowing you to open and view SketchUp models any time, anywhere, on the device you want to view them on. Version 3.1 now includes options for defining unit preferences, the Position Camera Tool, an improved Tape Measure tool and much more Explore and share 3D models: Download models to your device from your 3D Warehouse, Trimble Connect or Dropbox account for seamless offline viewing Transfer your SketchUp models directly to the app via iTunes, open SketchUp models directly from email attachments, or open files from other cloud service apps like Google Drive. For more information, visit: app is recommended for iPhone/iPad devices with a minimum of 1024Mb of RAM (iPad Mini 2nd Gen or newer, iPhone 5 or newer).

  • rating 4.10526
  • size 45.3 MB

Fusion 360

Autodesk Fusion 360 for iPhone and iPad lets you collaborate on 3D designs with anyone inside or outside your company. With the Fusion 360 app, you have the flexibility to view, mark up, comment, and collaborate on your Fusion 360 CAD modelsanytime, anywhere. Email: [email protected] Forums:

  • rating 4.88259
  • size 118 MB

OmniFocus 2

NEW 2-week free trial OmniFocus Standard and Pro are now in-app purchases, with discounts for OmniFocus 1 and Legacy Support Edition customers. Download the app for details. SUPPORTIf you have any feedback or questions, wed love to hear from you The Omni Group offers free support: you can reach us by email at [email protected], by phone at 1-800-315-6664 or +1-206-523-4152, or on Twitter at @omnifocus.

  • size 62.3 MB

Airmail - Your Mail With You

Airmail is a powerful mail client for Mac, now available for iPhone and iPad. Designed for the latest generation iOS, it supports 3D Touch, fast document previewing, high quality PDF creation, and native integration with other apps and services for a frictionless workflow. Thanks to all the testers on the Slack group that have been involved in the development

  • rating 3.375
  • size 187 MB

More Information About alternatives


Room Reverberation (RT60), SPL (dB) Meter, Spectrum Analyzer, Signal Generator, Polarity Checker. Features 1/1, 1/3 & 1/6 octave RTA modes, Leq, RT60 (wideband, and Octave), spectrogram, peak frequency, Fast, Medium & Slow filters, Flat & A/C Weighting, Averaging, SPL Chart Recorder, Noise Criteria (NC), White/Pink Noise, Sine, Square, Triangle, Sweep, Ramp and Impulse signals & loudspeaker polarity checker. Disclaimer: iAudioTools performance depends on the iPad/iPhone hardware, and is not guaranteed to meet any audio measurement or safety standards.

  • size 1.0 MB
  • version 5.6.16

Audio Tuning Tools for iPad

Audio Tuning Tools for iPad is a powerful audio testing & measurement app bundle that gives you the sound tuning tools on your iPad. We offer with special price set of Spectrum Analyzer (RTA), Spectrogram Analyzer and Signal Generator.- fo-Kannon : Real-time Audio Analyzer with 1/3-octave band and FFT indication.- Onmon : Spectrogram analyzer for audio and voice band.- Audio Tone Generator for iPad : Reference Signal generator with generating sine wave, sweep signal and white/pink noise. Please visit our iOS App Support page for more information on this app.

  • size 5.4 MB

Decibel Meter Sound Detector

Track environmental noise around you with this easy-to-use decibel meter app. This app will transform your device into a professional grade sound detector with detailed visual analysis. For additional information and comments please contact [email protected]: - Accurate measurements.- Frequency Weighting A, B, C, Z.- dB range between 20 to 120.- Audible frequency range between 20 to 20,000 Hz.- dB / AF line charts analyzer with zoon-in / zoom-out feature.- Intuitive design.- Display current, average and maximum values.- Display peak frequency.- Calibrated with processional quality dB measurement device.- Manual calibration.- Export dB / AF values up to last 8 hours.- Start / Stop / Reset functionality.

  • rating 5
  • size 32.4 MB
  • version 1.3


Add precision to your pocket Spektroskop is an easy-to-use yet powerful real-time spectrum analyzer, which takes accuracy seriously. Analyze, measure, compare and save sound spectra captured with the internal microphone or any other audio source connected to your iOS device. FEATURES + real-time, high accuracy FFT analysis from 20 Hz to 20 kHz + built-in microphone calibration for all iPhone and iPad models + built-in calibration and frequency equalization for the MicW i436 microphone+ built-in calibration and frequency equalization for the Microtech Gefell M372 microphone+ free field and diffuse field equalization for all internal iPhone microphones and MicW i436+ frequency weighting dB(A) and dB(C) + time weighting Fast, Slow and Average+ optional octave and third-octave band display + hold and compare function for up to four spectra + adjustable decay rate and averaging function + CSV data export to iCloud Drive, Dropbox, Numbers, etc.+ universal App for iPhone and iPad (limited support for iPod Touch)Visit for more detail

  • size 2.1 MB
  • version 4.2.3

Octave Band Noise Generator Lite

Octave Band Noise Generator Lite is a new noise generator that can be used to as the sound source for a variety of acoustic measurement and auditory effects. This app is a free edition that is simplified the powerful noise generation tool, Octave Band Noise Generator.It can generate a white noise and pink noise for the audio check to be used for general acoustic measurement. This signal contains all the characteristics of the source signal of White noise or Pink noise in the divided frequency band.- The octave band filters are compliant with IEC 61260:1995 and JIS C 1514:2002.TOON,LLC is a company that seeks the comfort of sound environment based on our acoustic proprietary technology, and we will provide tools for audio professional, sound technology, home theater installer, and anyone who loves audio.

Sound Level Analyzer

Sound Level Analyzer is sound level meter and sound analysis tools for iPhone. Available in variety of applications as the neighboring environmental noise measurement, audio system check, vehicle interior noise check, sound check of live events, and more.Sound Level Analyzer has additional analysis modes, which are Time-domain Graph, Frequency Realtime Analyzer(RTA) and FFT Analyzer. It can generate the programable White/Pink noise signal by using the accurate band-pass filtering of 1/1 and 1/3 octave band with ideal steep attenuation characteristics.

  • size 0.7 MB
  • version 2.3

Audio Signal Generator including Sweeps & Noise

This is the highly recommended and praised Function Generator App - an amazingly great and powerful tone generator. Enriched with a vast amount of features yet it is extremely intuitive and designed for simplicity. The Function Generator is AMAZINGLY INTUITIVE and SIMPLE AND THESE ARE THE ADVANCED SETTINGS/FEATURES (upgrade to PRO required):=> Extending The Frequency Range=> Extending The Sweep Times=> Changing Min/Max Slider Frequency Ranges => Changing Max Sweep Time Slider Range=> Changing Signal Amplitude=> Enabling Of The Sweep Repeat / Wobble Function=> Frequency Slider Setting to Linear or Logarithmic=> Left/Right Channel Individual Selection=> Permanently Saving Custom Presets=> Saving Of Endless Number Of Audio Configurations=> Phase Out Setting (Phase shift of 180 of the generated signal)=> BPM (Beats per Minute) Feature=> Dual Function Generator=> Background Theme Selection (Light/Dark)

  • size 18.9 MB
  • version 4.0.1


Analyzer audio signal through a microphone, headset or audio-input. The application analyzes the audio signal from the input and displays the following characteristics: signal level in dB (calibrated for the built-in microphone) displays an analog device and a digital scale. Also, there is a peak indicator values; time-registrator register in time for the minimum, maximum and average level of the signal; 30-band spectrum analyzer with a step 1/3 octave; Oscilloscope with adjustable Y-scale;The application may be used as: Noise Level Meter; determine the characteristics and nature of the noise / sound; to set up acoustic systems and home theaters; Search the resonance frequencies; a simple portable oscilloscope above the audio band; portable spectrum analyzer in the audio band; file logging functionAbility to work from the device like iRig

  • size 3.8 MB
  • version 1.2.0


iSoundMeter measures ambient noise and sound in decibel using the built in microphone of the iPhone. The iPhones built in microphone is sensitive from 20 - 30 dB (nearly silence) to approximately 110 decibels. Features:- Start or stop iSoundMeter any time - A, B, C, D frequency weightings with graphic prompt- Large digital readouts- Average and Max level displays - Reset the Max level readout- The last measurements (270 s) are saved and displayed- Send stored measurements via e-mail for further analysis- Easy interface (all in one screen) with amazing graphics optimized for the new Retina display- Sound effects with buttons

  • size 4.2 MB
  • version 1.3

Acoustics Basics - Sound & Environmental Engineers

Acoustics Basics is ideal for sound engineers, media professionals and audiophiles. The app includes a variety of tables, equations, tips and notes. Table of Contents: - Abatement and Distance from Source- Acceptable Noise - dBA - Levels- Adding Decibels- Blade Dampers and Noise Generation- Blade Pass Frequency - BPF- Classification of Noise Reduction Silencers- Comparing Noise Criteria- Daily Noise Dose Level- Decibel- Decibel A, B and C- Directivity Coefficient and Sound Attenuation - Ducts - Noise Generation- EPA Protective Noise Levels- Fans and Noise Power Generation- Floor Vibration- Frequency Limits for Octave Bands- Ldn - Day and Night Sound Level- Leq - Equivalent Sound Level- Ls - Sound Exposure Level- Machines - Sound Level Reduction- Maximum A-Weighted Sound Levels Allowed- NC - Noise Criterion- Noise Exposure - Permissible Level and Duration- Outdoor Ambient Sound Levels- PNC - Preferred Noise Criterion- Propagation of Sound Indoors- Propagation of Sound Outdoors- RC - Room Criteria- REL - Noise Recommended Exposure Limit- Reverberation Time- Room Absorption Characteristics- Sound Absorption Coefficients- Sound Attenuation- Sound Attenuation due to End Reflection- Sound Attenuation in Duct Elbows- Sound Attenuation in Unlined Sheet-Metal Ducts- Sound Frequency, Wavelength and Octave- Sound Intensity- Sound Power- Sound Power, Intensity and Pressure- Sound Pressure- Sound Pressure - Recommended Maximum Levels in Rooms - Sound Transmission Through Massive Walls or Floors- Sound Transmission through Duct Walls- Speed of Sound- Speed of Sound in some materials- Speed of Sound in Gases- Speed of Sound in some common Liquids- Speed of Sound in some common Solids- Subjective Effect of Change in Sound Pressure Level- Telephones in Noisy Areas- Voice Level and Distance* All Content is Searchable* All Content is available offline (no need for WiFi or Internet Connection) * Please send us any questions, comments or suggestions using our website

  • size 24.3 MB
  • version 3.7