Comparison

SignalScope X vs RewindClock

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

SignalScope X

This app provides powerful measurement and analysis tools for acoustics, audio, and electronics. It offers a free oscilloscope and subscription-based tool sets for basic, advanced, and professional needs, compatible across iPhone, iPad, and Mac.

Highlights
  • Oscilloscope
  • FFT Analyzer
  • Spectrogram Analyzer
  • Data Recorder
  • Sound Intensity Analyzer
  • Room Acoustics Analyzer
Features
Read full description

SignalScope X offers a range of powerful measurement and analysis tools to enhance your productivity in areas such as acoustics (sound and vibration), audio, electronics, and electroacoustics. SignalScope X includes a free oscilloscope tool. SignalScope X makes additional tools available via 3 tiers of subscription-based tool sets to meet your basic, advanced, and professional needs. Each subscription works on your iPhone, iPad, and Mac. Features: - Analyze signals coming from the Mac or iOS device’s current audio input device. - Assign engineering units to your input signals and calibrate external transducers for accurate measurements. - Assign input channel units and sensitivities for individual USB Audio devices. - Connect lab-grade microphones and sensors to your Mac, iPad, or iPhone with suitable interface hardware for precise measurements. - SignalScope offers enhanced support for select hardware from Digiducer, The Modal Shop, and miniDSP. - Nominal acoustic sensitivities included for iPhone and iPad built-in microphones, voltage sensitivities for headset input (including the standard Lightning-to-headset adapter). - Manually switch between available audio input and output sources. - Load microphone frequency response data (FRD) and apply frequency response correction (FRC) to FFT-based measurements. - Manually adjust audio sample rates, even up to 768 kHz, depending on hardware. - Save acquired measurement data to CSV, TXT (tab-delimited), or MAT files. - Save high-resolution analyzer display images to PDF files. - Retrieve your data files from your device via Files (iCloud Drive), iTunes File Sharing, or through a web browser on another device. Files may also be opened in other compatible apps (e.g. Mail, Notes, Numbers, Dropbox, etc). Basic Tools: - Oscilloscope - MultiTool - Powerful data monitoring and project management (Add 2-6 subtools, depending on screen size, and save configurations for easy recall at a later time.) - FFT Analyzer - Spectrum analyzer with user-settable frequency limits and input triggering - 2D Real-time Spectrogram Analyzer - XY Plotter - Create Lissajous curves or visualize your stereo mix - Stereo Signal Generator Advanced Tools: (Advanced Tool Set also includes basic tools) - 3D Real-time Spectrogram Analyzer - Stunning live visualization of incoming data - Octave-band Analyzer - Whole and 1/3-octave RTA - Level Meter - Overall signal level meter - Max Levels - Traffic-light-style monitoring - Noise Dosimeter - Data Recorder - Stream up to 8 channels to WAV, AIF, or CAF audio files - Multi-channel Audio File Player - Analyze pre-recorded data Pro Tools: (Pro Tool Set subscription includes all tools) - Dual-channel System Analyzer (Dual FFT analysis with support for Frequency Response Magnitude/Phase, Phase Delay, Group Delay, Coherence, Impulse Response and Cross-Correlation) - Sound Intensity Analyzer - With a suitable p-p probe, measure sound intensity and acoustic particle velocity spectra (narrowband and whole or 1/3-octave bands) and time waveforms. - Room Acoustics Analyzer (T20, T30, T60, nonlinearity, EDT, Early Decay Time, Center Time, Clarity, and Definition in various frequency bands, adjustable Schroeder integration limits) - Polar Plot - Generate beautiful high-resolution plots of polar data. - STI/PA Analyzer - Direct STI and STIPA measurements Additional Pro Features: - User-defined custom metadata in saved audio and data files - Data logging support in the Level Meter, Octave Analyzer, and Noise Dosimeter - Percentile exceeded sound levels in the Level Meter and Octave Analyzer - NC, RNC, and NR references curves, NC, SIL, and NR values in the Octave Analyzer - Voltage decibel levels can be displayed in dBV or dBu Subscription Terms: - https://www.faberacoustical.com/apps/subscriptions/terms.html Privacy Policy: - https://www.faberacoustical.com/about/privacy.html Terms and Conditions for FaberAcoustical.com: - https://www.faberacoustical.com/about/terms.html

About

RewindClock

Features
Read full description

A Different Way to See Time Watching the hands of REWIND turn counter-clockwise isn't about checking the hour; it’s about a moment of detachment. It serves as a gentle reminder to breathe, to reflect, and to find calm in a world that never stops moving. Key Features: • Reverse Rotation: Experience the unique, meditative flow of time moving counter-clockwise. • Home Screen Widgets: Keep a piece of tranquility on your home screen. Fully supports iOS widgets with your custom configurations. • Zen Mode: Tap the clock face to hide the UI. Perfect for focus, meditation, or as a beautiful bedside companion. • Ritualistic Design: Immersive backgrounds with ultra-thin material textures and fluid 60 FPS mechanical animations. • Time Zone Exploration: Easily track different time zones with a unique, tactile ruler interface. • Personalized Style: Choose between Minimalist and Traditional dials, and multiple face styles (Auto Day/Night, Transparent Light/Dark). Simple & Private REWIND is a passion project. It is completely free, contains no ads, and requires no account. Your data stays on your device, exactly where it belongs.

Screenshots

SignalScope X4 screens
RewindClock4 screens

Verdict

The call

The clearest difference is in-app purchases: RewindClock at none against SignalScope X's 12. On price, ads, device support and iOS requirement there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. SignalScope X sells 12 in-app purchases, starting at $3.49 per month. RewindClock asks for nothing beyond the download.

Scorecard1 real difference · 9 level
SignalScope X versus RewindClock: the parameters behind the verdict, then further details
ParameterSignalScope XRewindClock
PriceFreeFree
Rating3.0 (23 ratings) — better—
Positive reviews10.2% of reviews—
Number of ratings23 — better—
Update frequencyEvery 3 weeks—
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemium—
DevicesiPhone, iPad, MaciPhone, iPad, Mac
Requires iOS18.618.6
Further details — not scored
Size19 MB1 MB
Age rating4+4+
DeveloperFaber Acoustical, LLC春旭 左

Bugs and requests

SignalScope X

Reported bugs

9 issues
  • Recording starts and stops
  • App crashes on launch
  • Oscilloscope and FFT not functioning
  • SPL meter inaccurate/uncalibratable
  • App not working on older devices
Show 4 more
  • File type conflicts
  • Data scattered
  • App requires subscription for basic functionality
  • Old versions no longer supported/functional

Requested features

6 requests
  • Manual for better understanding
  • Ability to store and retrieve setups
  • One-off payment option
  • More intuitive user interface
  • Ability to change Y-axis scale
Show 1 more
  • Support for Audiobus output

RewindClock

Not enough reviews yet to summarise bugs or requests.

In-app purchases

12 purchases

SignalScope X

Subscriptions6
  • Basic Tool Set, 1 Month14 Days trial$3.491 Month
  • Advanced Tool Set, 1 Month14 Days trial$9.991 Month
  • Pro Tool Set, 1 Month14 Days trial$24.991 Month
Show 3 more
  • Basic Tool Set, 1 Year14 Days trial$34.991 Year
  • Advanced Tool Set, 1 Year14 Days trial$99.991 Year
  • Pro Tool Set, 1 Year14 Days trial$249.991 Year
One-time6
  • 14-day Free Trial, Pro Tool SetFree
  • Basic Tool Set 2026$69.99
  • Advanced Tool Set 2026$199.99
Show 3 more
  • Advanced Tool Set 2026 from Basic$219.99
  • Pro Tool Set 2026 from Advanced$309.99
  • Pro Tool Set 2026 from Basic$439.99
None

RewindClock

No in-app purchases

Questions

Is SignalScope X free?
SignalScope X is free to download, with in-app purchases available.
Is RewindClock free?
RewindClock is free to download, with no in-app purchases.
Do SignalScope X or RewindClock have ads?
Neither SignalScope X nor RewindClock shows ads.

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