Audio Spectrum Analyzer Pro vs MultiTone Generator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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
MultiTone Generator
Generate a wide range of audio test tones, including sine, rectangular, triangular, and sawtooth waves. Explore frequency sweeps, noise generation, and customizable settings. Upgrade for advanced features like creating multiple tone combinations and extended frequency ranges.
- Generate sine, rectangular, triangular, and sawtooth waves
- Play frequency sweep test tones
- Sweep repeat/wobble function
- Play white and pink noise
- Customizable frequency and sweep time ranges
- Create up to 16 tone combinations (PRO)
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This is the all-new MultiTone Generator! An amazingly flexible and powerful frequency generator! Works with Audiobus and Audiobus Remote! Upgrade to PRO and CREATE up to 16 tone combinations. Play them individually or combined. PLAY TEST TONES Sine, Rectangular, Triangular and Sawtooth. PLAY FREQUENCY SWEEP TEST TONES in both directions (minimum to maximum frequency and maximum to minimum frequency). Use the SWEEP REPEAT / WOBBLE function. Play back white and pink NOISE. Fully CUSTOMIZABLE Frequency Min-Max ranges and Sweep time range. The MultiTone Generator is AMAZINGLY INTUITIVE and SIMPLE! ADVANCED SETTINGS/FEATURES (upgrade to PRO required): => Extending the frequency range (1Hz - 21kHz) => Extending the sweep times (1s - 600s) => Create up to 16 tone combinations => Changing maximum Sweep time slider range => Frequency slider setting to linear or logarithmic => Full support for the sequence playback menu => Full support for the remote play menu => Save/Load all configurations By using this app, you agree to Apple’s Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is update cadence: MultiTone Generator at monthly against Audio Spectrum Analyzer Pro's every 7 months. MultiTone Generator also leads on review sentiment (80% vs 57%). Audio Spectrum Analyzer Pro's advantage is iOS requirement (13.0 vs 15.5). On price, rating, ratings volume and ads 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. Audio Spectrum Analyzer Pro sells 2 in-app purchases, starting at $19.99 per year and MultiTone Generator sells 7 in-app purchases, starting at $1.49 per month. Whichever you choose, the download price is not the number that matters.
MultiTone Generator holds the better App Store score, 4.6 against 4.4. Both are backed by a comparable volume of ratings — 238 and 355 respectively. Written reviews point the same way: 57% of Audio Spectrum Analyzer Pro's written reviews are positive against 80% of MultiTone Generator's.
Audio Spectrum Analyzer Pro ships an update every 7 months, MultiTone Generator monthly. The most recent releases landed on October 11, 2026 and October 7, 2026 respectively.
| Parameter | Audio Spectrum Analyzer Pro | MultiTone Generator |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (238 ratings) | 4.6 (355 ratings) — better |
| Positive reviews | 57.4% of reviews | 80.0% of reviews — better |
| Number of ratings | 238 | 355 — better |
| Update frequency | Every 7 months | Monthly — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.5 |
| Further details — not scored | ||
| Size | 40 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | Vlad Polyanskiy | Thomas Gruber |
Customer experience
Audio Spectrum Analyzer Pro
MultiTone Generator
User reviews
Audio Spectrum Analyzer Pro
From 238 App Store ratingsWhat we love
- 👍 Intuitive and easy-to-use interface
- 💰 Completely free with no ads
- 🎯 Accurate frequency and spectrum analysis
- 📊 Multiple visualization modes (FFT, spectrograph, bar display)
- 🔧 Professional-grade audio measurement tool
Room to improve
- 💸 Aggressive subscription/paywall nags
- 🔄 Frequent iOS compatibility issues after updates
- 📉 Features moved behind paywall in recent updates
- 🐛 App crashes on startup (especially iOS 16/26)
- ⚠️ Misleading free trial that requires payment
MultiTone Generator
From 355 App Store ratingsWhat we love
- ✨ Sleek UI update
- 🔊 Tinnitus simulation accuracy
- 💡 Useful for frequency healing
- 🎶 Aids musical tuning understanding
- 💯 Great value for price
Room to improve
- 📱 iPhone frequency title readability
- 💰 Features moved to paid tier
- 💸 Deceptive update practices
- 🔊 Left/right speaker switch malfunction
- 🔋 Battery drain when in background
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
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- 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
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- 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
MultiTone Generator
Reported bugs
4 issues- Left and right speaker switches do not work
- App drains battery when in background
- Amplitude difficult to adjust on iPhones
- High battery consumption after iOS 11 upgrade
Requested features
11 requests- Custom frequency names (bold)
- Reorder frequency list
- Display saved preset names at top
- Sweeping duration less than 0.1s
- Create and save multiple tracks
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- More frequency rows to add
- Create and name groupings of frequencies
- Summation of multiple waves in a single waveform
- Logarithmic frequency selection
- Auto-stop tones after X seconds
- Tones auto-stop on app minimize
In-app purchases
Audio Spectrum Analyzer Pro
- Premium Mode7 Days trial$19.991 Year
- Premium Pack$29.99
MultiTone Generator
- MultiTone PRO for one month$1.491 Month
- MultiTone PRO+ for one month$2.991 Month
- MultiTone PRO for one year$7.991 Year
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- MultiTone PRO+ for one year$14.991 Year
- MultiTone PRO Lifetime Access$9.99
- MultiTone PRO+ Lifetime Access$9.99
- MultiTone PRO+ Lifetime Access$19.99
Questions
Is Audio Spectrum Analyzer Pro free?
Is MultiTone Generator free?
Which has better reviews, Audio Spectrum Analyzer Pro or MultiTone Generator?
Do Audio Spectrum Analyzer Pro or MultiTone Generator have ads?
Which is updated more often, Audio Spectrum Analyzer Pro or MultiTone Generator?
Other comparisons
