# Audio Spectrum Analyzer Pro vs MultiTone Generator

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.

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.

## The numbers

| Metric | Audio Spectrum Analyzer Pro | MultiTone Generator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (238 ratings)](https://appshunter.io/ios/app/audio-spectrum-analyzer-pro/id1152352806/reviews) | **[4.6 (355 ratings)](https://appshunter.io/ios/app/multitone-generator/id1161245288/reviews)** |
| Number of ratings | 238 | **355** |
| Positive reviews | 57.4% of reviews | **80.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Monthly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 40 MB | 9 MB |
| Requires iOS | **13.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Vlad Polyanskiy](https://appshunter.io/developer/438646985) | [Thomas Gruber](https://appshunter.io/developer/342699861) |

## What reviewers say

### Audio Spectrum Analyzer Pro

[App page](https://appshunter.io/ios/app/audio-spectrum-analyzer-pro/id1152352806)

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:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Mode | $19.99 | per year |
| Premium Pack | $29.99 | one-time |

**What reviewers like**

- 👍 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

**What reviewers complain about**

- 💸 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

**Reported bugs**

- 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

**Requested features**

- Audio file upload capability
- White noise/test signal generator
- Microphone calibration file support
- Recording functionality with timestamp
- Multiple frequency cursors for comparison


### MultiTone Generator

[App page](https://appshunter.io/ios/app/multitone-generator/id1161245288)

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.

**Highlights:** 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)

**Features:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MultiTone PRO for one month | $1.49 | per month |
| MultiTone PRO+ for one month | $2.99 | per month |
| MultiTone PRO for one year | $7.99 | per year |
| MultiTone PRO+ for one year | $14.99 | per year |
| MultiTone PRO Lifetime Access | $9.99 | one-time |
| MultiTone PRO+ Lifetime Access | $9.99 | one-time |
| MultiTone PRO+ Lifetime Access | $19.99 | one-time |

**What reviewers like**

- ✨ Sleek UI update
- 🔊 Tinnitus simulation accuracy
- 💡 Useful for frequency healing
- 🎶 Aids musical tuning understanding
- 💯 Great value for price

**What reviewers complain about**

- 📱 iPhone frequency title readability
- 💰 Features moved to paid tier
- 💸 Deceptive update practices
- 🔊 Left/right speaker switch malfunction
- 🔋 Battery drain when in background

**Reported bugs**

- 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**

- Custom frequency names (bold)
- Reorder frequency list
- Display saved preset names at top
- Sweeping duration less than 0.1s
- Create and save multiple tracks


## Frequently asked questions

### Is Audio Spectrum Analyzer Pro free?

Audio Spectrum Analyzer Pro is free to download, with in-app purchases available.

### Is MultiTone Generator free?

MultiTone Generator is free to download, with in-app purchases available.

### Which has better reviews, Audio Spectrum Analyzer Pro or MultiTone Generator?

MultiTone Generator is rated higher. Audio Spectrum Analyzer Pro averages 4.4 out of 5 from 238 ratings, while MultiTone Generator averages 4.6 from 355 ratings.

### Do Audio Spectrum Analyzer Pro or MultiTone Generator have ads?

Neither Audio Spectrum Analyzer Pro nor MultiTone Generator shows ads.

### Which is updated more often, Audio Spectrum Analyzer Pro or MultiTone Generator?

Audio Spectrum Analyzer Pro ships an update every 7 months, and MultiTone Generator monthly. Most recently, Audio Spectrum Analyzer Pro was updated on October 11, 2026 and MultiTone Generator on October 7, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*