Comparison

Frequency Analyzer vs VA Auto

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

Head to head
About

Frequency Analyzer

Transform your device into a professional audio analysis tool with advanced FFT analysis, SPL monitoring, and detailed visualizations. Record, analyze, and export audio data with precision calibration and multiple weighting filters.

Highlights
  • Real-time FFT analysis
  • Calibrated SPL measurements
  • 32-bit float audio recording
  • Synchronized video recording
  • Spectrogram and octave band analysis
  • Export WAV, CSV, images, and videos
Features
Read full description

Transform your device into a professional-grade audio analysis suite with industry-leading 32-bit float processing, precision calibration tools, and comprehensive visualization capabilities. PROFESSIONAL ACOUSTIC MEASUREMENT • Real-time FFT analysis with configurable window sizes up to 4096 points • Reference SPL measurement with calibrated sound pressure level monitoring • Professional microphone correction with frequency-specific calibration curves • Reference tone calibration for precise frequency measurements • Configurable time averaging (0-1000ms) for stable, accurate readings • Industry-standard weighting filters: dBA, dBC, dBZ, and linear magnitude • Multiple window functions: Hanning, Hamming, Blackman ADVANCED VISUALIZATION MODES • High-resolution spectrum analyzer with peak detection • Real-time waveform display • Professional spectrogram • Octave band analysis • Amplitude tracking over time • Total level monitoring with min/max/average statistics POWERFUL RECORDING & ANALYSIS • High-quality 32-bit float audio recording and playback • Synchronized video recording with audio analysis overlay • Event tracking system with timestamped notes • Playback synchronization with all recorded events and measurements • Location mapping for environmental noise surveys • Export capabilities: WAV audio, CSV data, high-resolution images and videos PRECISION DECIBEL MEASUREMENT • Calibrated SPL measurements with reference level adjustment • Real-time dB monitoring with peak hold functionality • Statistical analysis: Leq, Lmax • Configurable time averaging (0-1000ms) • Frequency-weighted noise exposure calculations • Exposure calculator for NIOSH and OSHA IDEAL FOR PROFESSIONALS • Acousticians and audio engineers • Environmental noise consultants • Musicians and sound designers • Room acoustics optimization • Industrial noise monitoring • Educational and research applications • Live sound reinforcement • Building acoustics assessment Download now and unlock the full spectrum of acoustic measurement capabilities. DISCLAIMER This is a consumer application designed for general audio analysis and educational purposes. It is not a certified measurement instrument and should not be used where legally compliant or certified measurements are required. For professional acoustic assessments requiring traceable calibration or regulatory compliance, we recommend using an external calibrated measurement microphone with certified sound level meters. EULA: https://frequency-analyzer.com/terms-and-conditions/

About

VA Auto

Features
Read full description

VA Auto-EQ is a professional tuning and control app designed for compatible subwoofers and audio devices. Connect via Bluetooth to monitor device status, adjust sound parameters, and optimize audio performance for different listening environments.Key Features:• Bluetooth Device Control Search for and connect to compatible devices, with real-time synchronization of volume, equalizer, crossover, and other audio settings. Custom device names make connected products easier to identify.• Volume, Phase, and Delay Adjust output volume, switch between 0° and 180° phase, and configure audio delay to improve low-frequency alignment and overall listening performance.• Multiple Sound Modes Choose from Music, Cinema, Night, and Flat modes. Each mode can be adjusted to suit music playback, movie viewing, nighttime listening, and other scenarios.• Six-Band Parametric Equalizer Fine-tune frequency, gain, and Q values using an interactive EQ graph. Restore a flat response with one tap, or save, load, and delete custom EQ presets.• Auto EQ Calibration Start the scanning and calibration process, then compare the Target, Original, and Corrected curves on a single graph for a clear view of the resulting response.• Crossover and Filter Settings Configure the crossover frequency, subsonic filter, and output high-pass filter to achieve smoother integration between the subwoofer and main speakers.• Device Status and Management View software and MCU versions, receive device status and warning notifications, and restore factory settings when required.• Demo Mode Explore the main controls and tuning interface without connecting to a physical device.VA Auto-EQ features a landscape-oriented interface that keeps essential controls clear and accessible, making it suitable for home theaters, music systems, and professional audio setup.Please note: This app requires a supported Bluetooth audio device. Available features may vary depending on the device model and firmware version.

Screenshots

Frequency Analyzer4 screens
VA Auto3 screens

Verdict

The call

The clearest difference is in-app purchases: VA Auto at none against Frequency Analyzer's 11. VA Auto also leads on update cadence (daily vs every 8 days) and iOS requirement (13.0 vs 17.2). On price, ads and device support 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. Frequency Analyzer sells 11 in-app purchases, starting at $2.99 per 7 days. VA Auto asks for nothing beyond the download.

UpkeepUpdate frequency

Frequency Analyzer ships an update every 8 days, VA Auto daily. The most recent releases landed on October 13, 2026 and October 7, 2026 respectively.

Scorecard3 real differences · 7 level
Frequency Analyzer versus VA Auto: the parameters behind the verdict, then further details
ParameterFrequency AnalyzerVA Auto
PriceFreeFree
Rating4.5 (169 ratings) — better—
Positive reviews10.0% of reviews—
Number of ratings169 — better—
Update frequencyEvery 8 daysDaily — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhoneiPhone, iPod — better
Requires iOS17.213.0 — better
Further details — not scored
Size35 MB22 MB
Age rating4+4+
DeveloperManfred KuegelOrbit Electronics Inc.

In-app purchases

11 purchases

Frequency Analyzer

Subscriptions10
  • Frequency Analyzer Pro Weekly3 Days trial$2.997 Days
  • Frequency Analyzer Pro Monthly7 Days trial$3.991 Month
  • Frequency Analyzer Pro Monthly$3.991 Month
Show 7 more
  • Frequency Analyzer Pro Monthly7 Days trial$4.991 Month
  • Frequency Analyzer Pro Monthly$4.991 Month
  • Frequency Analyzer Pro Monthly3 Days trial$4.991 Month
  • Frequency Analyzer Pro Annual7 Days trial$29.991 Year
  • Frequency Analyzer Pro Annual7 Days trial$44.991 Year
  • Frequency Analyzer Pro Annual$44.991 Year
  • Frequency Analyzer Pro Annual3 Days trial$44.991 Year
One-time1
  • Pro access for lifetime$89.99
None

VA Auto

No in-app purchases

Questions

Is Frequency Analyzer free?
Frequency Analyzer is free to download, with in-app purchases available.
Is VA Auto free?
VA Auto is free to download, with no in-app purchases.
Do Frequency Analyzer or VA Auto have ads?
Neither Frequency Analyzer nor VA Auto shows ads.
Which is updated more often, Frequency Analyzer or VA Auto?
Frequency Analyzer ships an update every 8 days, and VA Auto daily. Most recently, Frequency Analyzer was updated on October 13, 2026 and VA Auto on October 7, 2026.

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