Comparison

Audio Spectrum Analyzer Pro vs Ui MIDI mixer

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

Head to head
About

Audio Spectrum Analyzer Pro

Analyze sound frequencies in real-time with this powerful tool. It offers detailed octave band analysis, FFT plots, and various measurement scales. Supports multiple microphones and noise analysis features for accurate audio insights.

Highlights
  • Octave Band Real Time Analyzer
  • FFT Plot (Fast Fourier Transform)
  • Sound level meter (dB meter)
  • Noise Rating and Noise Criterion support
  • Support for external microphones
  • Pre-calibrated mic profiles
Features
Read full description

Audio Spectrum Analyzer is a powerful real-time audio analysis app. Full of features yet very simple to use. Sound level meter (db meter a-weighted, noise rating, noise criterion) included. Feature Highlights: • Octave Band Real Time Analyzer • FFT Plot (Fast Fourier Transform) • Linear and logarithm scales • Up to 16384 FFT size • A lot of available window functions • Tracking for max value • Max and Min for any selected frequency • Stunned graphics • Reliable measurement accuracy with pre-calibrated profiles for 3 device-integrated mics • Additional precision with integrated support and pre-calibrated profiles for AirPods, AirPods Pro • Safer measurements using the Airpods Pro noise cancellation feature • Support for external microphones (wired or via Bluetooth) • Noise Rating and Noise Criterion support And many many more... Terms of Use: https://www.iubenda.com/terms-and-conditions/94359518

About

Ui MIDI mixer

Control your audio mixer's virtual faders, effects, and parameters remotely using your hardware MIDI controller. Assign controls with a built-in "learn" function for seamless integration without touching the mixer's display.

Highlights
  • Assign virtual faders via MIDI learn
  • Control MICS, LINE, SUBS, DRUMS, GUITAR volume
  • Remotely enable/disable FX effects
  • MIDI control of GAINS and EQ/DYN
  • Save and load settings/presets
  • Control AUX BUSes via MIDI
  • Support for motorized faders
Features
Read full description

With Soundcraft® Ui MIDI mixer app you can comfortably assign "virtual" faders from your Ui mixer to the hardware MIDI controller using built-in "learn" function. You can now control all MICS, LINE inputs, SUBS, DRUMS or GUITAR volume (reverb, chorus, delay ...) using your hardware MIDI equipment like MIDI keyboards (with faders or knobs) or MIDI pedal etc. without touching the display! You can remotely, comfortably and quickly enable/disable FX effects with your hardware buttons on your MIDI controller. NEWS in 2.1.21 ver.: ○ code optimization for the latest iOS / iPadOS 15.2 ○ added GAINS MIDI control on input channels (Ui12/Ui16 + Ui24R) ! ○ dedicated MIDI programmable buttons for specific Preset ! ○ direct Preset access including light feedback on your MIDI controller ! ○ added live view of channels VU meters (in MC mode with compatible MIDI controllers) ○ quick remote access to EQ and DYN (COMP) page for selected channel (JUMP to EQ/DYN) from your MIDI controller! ○ SAVE and LOAD your settings and presets. Easy backup! New in 2.0 version! ○ new creation of user PRESETS / BANKS ○ new GUITAR DIGITECH sims module controlled by MIDI controllers and pedals ○ new support for universal "Mackie protocol" of professional MIDI controllers NEW in 1.5 version ○ added MIDI control of phones outputs via AUX BUSes (only Ui12/16 mixers) ○ added autostart of motorized faders position by connecting MIDI controllers ○ improved scene and cues switching by MIDI (only U24 mixers) NEW in 1.4 version ○ added selection of channels via MIDI (for easy and fast layout switching - e.g. equalizer settings) ○ added option of automatic channel selection (while moving the faders) ○ added PANORAMA assignment to physical MIDI knobs on connected controller with feedback (on MIDI devices equipped with LED indication) ○ added GLOBAL TAP function (to set delay tempo via MIDI) ○ fixed and improved recognition of connected MIDI controllers - "MIDI IN: no_conn" issues ○ better support for new iOS (incl. iPadOS) NEW in 1.3 version ○ advanced MIDI control of AUX BUSES via MIDI (each musician can have complete control over the aux-mix send level for each channel) ○ support for MOTORIZED FADERS (e.g. BCF2000/X-TOUCH Midi controllers ...) ○ feedback of Ui FADERS and BUTTONS STATUS on hardware controller - levels, solos, mutes etc ... (only MIDI contr. with LED indicators) ○ added MIDI messages NOTE ON/OFF to drive Ui BUTTONS and Ui functions (extended "learn" function) ○ access to all VCA faders via MIDI (only Ui24r users) ○ control PREV, NEXT SNAPSHOTs and CUEs via MIDI (only Ui24r users) ○ fixed PLAYER func. on Ui24r mixers NEW in 1.2 version ○ running in background mode ○ nice dark mode

Screenshots

Audio Spectrum Analyzer Pro4 screens
Ui MIDI mixer4 screens

Verdict

The call

The clearest difference is rating: Audio Spectrum Analyzer Pro at 4.4 against Ui MIDI mixer's 3.6. Audio Spectrum Analyzer Pro also leads on ratings volume (239 vs 10) and review sentiment (57% vs 49%). Ui MIDI mixer's advantage is update cadence (every 3 weeks vs every 7 months). On price, ads, in-app purchases and monetization model 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. Audio Spectrum Analyzer Pro sells 2 in-app purchases, starting at $19.99 per year and Ui MIDI mixer sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Audio Spectrum Analyzer Pro holds the better App Store score, 4.4 against 3.6. That said, the two scores are not equally well evidenced: Audio Spectrum Analyzer Pro has 239 ratings behind it against 10, so its average is the more settled of the two. Written reviews point the same way: 57% of Audio Spectrum Analyzer Pro's written reviews are positive against 49% of Ui MIDI mixer's.

UpkeepUpdate frequency

Audio Spectrum Analyzer Pro ships an update every 7 months, Ui MIDI mixer every 3 weeks. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

Scorecard4 real differences · 6 level
Audio Spectrum Analyzer Pro versus Ui MIDI mixer: the parameters behind the verdict, then further details
ParameterAudio Spectrum Analyzer ProUi MIDI mixer
PriceFreeFree
Rating4.4 (239 ratings) — better3.6 (10 ratings)
Positive reviews57.4% of reviews — better48.7% of reviews
Number of ratings239 — better10
Update frequencyEvery 7 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.013.0
Further details — not scored
Size40 MB32 MB
Age rating4+4+
DeveloperVlad PolyanskiyPavel Beseda

Customer experience

Audio Spectrum Analyzer Pro

All ratings238 ratings
Positive85.3%
Neutral4.6%
Negative10.1%
Written reviews183 reviews
Positive57.4%
Neutral7.1%
Negative35.5%

Ui MIDI mixer

All ratings9 ratings
Positive55.6%
Neutral22.2%
Negative22.2%
Written reviews39 reviews
Positive48.7%
Neutral20.5%
Negative30.8%

Bugs and requests

Audio Spectrum Analyzer Pro

Reported bugs

11 issues
  • App crashes on iOS 16 and iOS 26 launches
  • FFT resolution not working after iOS updates
  • Graph display freezes or becomes unresponsive
  • Spectrograph mode too slow on newer iPhones
  • Frequency alignment issues with dynamic display
Show 6 more
  • App won't uninstall properly
  • Malware warnings appearing
  • Help links and support pages broken/dead
  • Incorrect dB level readings (off by ~20dB)
  • Recording functions non-functional
  • Half black screen in certain orientations

Requested features

11 requests
  • Audio file upload capability
  • White noise/test signal generator
  • Microphone calibration file support
  • Recording functionality with timestamp
  • Multiple frequency cursors for comparison
Show 6 more
  • Ability to compare before/after curves
  • Adjustable dB level zoom/scaling
  • Saved settings and personalizations
  • Audio Unit (AUV3) plugin support
  • Peak hold reset button
  • Time-domain recording in spectrograph mode

Ui MIDI mixer

Not enough reviews yet to summarise bugs or requests.

In-app purchases

2 purchases

Audio Spectrum Analyzer Pro

Subscriptions1
  • Premium Mode7 Days trial$19.991 Year
One-time1
  • Premium Pack$29.99
1 purchases

Ui MIDI mixer

One-time1
  • Upgrade to full version$34.99

Questions

Is Audio Spectrum Analyzer Pro free?
Audio Spectrum Analyzer Pro is free to download, with in-app purchases available.
Is Ui MIDI mixer free?
Ui MIDI mixer is free to download, with in-app purchases available.
Which has better reviews, Audio Spectrum Analyzer Pro or Ui MIDI mixer?
Audio Spectrum Analyzer Pro is rated higher. Audio Spectrum Analyzer Pro averages 4.4 out of 5 from 239 ratings, while Ui MIDI mixer averages 3.6 from 10 ratings.
Do Audio Spectrum Analyzer Pro or Ui MIDI mixer have ads?
Neither Audio Spectrum Analyzer Pro nor Ui MIDI mixer shows ads.
Which is updated more often, Audio Spectrum Analyzer Pro or Ui MIDI mixer?
Audio Spectrum Analyzer Pro ships an update every 7 months, and Ui MIDI mixer every 3 weeks. Most recently, Audio Spectrum Analyzer Pro was updated on November 6, 2026 and Ui MIDI mixer on November 3, 2026.

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