Frequency Analyzer vs Feedback Finder Pro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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/
Feedback Finder Pro
This utility app helps live sound professionals and musicians instantly detect problematic feedback frequencies in real-time. It features a visual spectrum analyzer, smart alerts, and customizable settings for optimal performance.
- Real-time frequency detection
- Visual spectrum analyzer
- Smart feedback alerts
- Configurable sensitivity
- Customizable settings
- Dark and light mode
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Feedback Finder Pro is the essential tool for anyone working with live sound. Instantly identify feedback frequencies before they become a problem. REAL-TIME FREQUENCY DETECTION • Precise FFT-based analysis identifies feedback frequencies from 20Hz to 20kHz • Large, easy-to-read frequency display shows the dominant frequency in Hz • Visual spectrum analyzer displays all frequencies at a glance • Top 3 peak frequencies shown with magnitude levels SMART FEEDBACK ALERTS • Configurable sensitivity from instant detection to sustained monitoring • Visual alerts when feedback is detected • Sustained frequency tracking prevents false positives CUSTOMIZABLE SETTINGS • Adjustable refresh rate for battery optimization • Multiple spectrum range presets (Full, Low-Mid, Mid-High, Feedback range, Sub, High) • Dark and light mode support PERFECT FOR: • Live sound engineers • Musicians and bands • Worship teams • Event technicians • Anyone working with PA systems
Screenshots
Verdict
The clearest difference is review sentiment: Feedback Finder Pro at 100% against Frequency Analyzer's 0%. Feedback Finder Pro also leads on rating (5.0 vs 4.5) and in-app purchases (none vs 11). Frequency Analyzer's advantage is ratings volume (166 vs 2). 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
Both are free to download. Frequency Analyzer sells 11 in-app purchases, starting at $2.99 per 7 days. Feedback Finder Pro asks for nothing beyond the download.
Feedback Finder Pro holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Frequency Analyzer has 166 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 0% of Frequency Analyzer's written reviews are positive against 100% of Feedback Finder Pro's.
| Parameter | Frequency Analyzer | Feedback Finder Pro |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (166 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 0.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 166 — better | 2 |
| Update frequency | Every 8 days | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 17.2 | 17.0 — better |
| Further details — not scored | ||
| Size | 35 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Manfred Kuegel | Vince Becquiot |
Customer experience
Frequency Analyzer
Feedback Finder Pro
In-app purchases
Frequency Analyzer
- 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
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- 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
- Pro access for lifetime$89.99
Feedback Finder Pro
No in-app purchases
Questions
Is Frequency Analyzer free?
Is Feedback Finder Pro free?
Which has better reviews, Frequency Analyzer or Feedback Finder Pro?
Do Frequency Analyzer or Feedback Finder Pro have ads?
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