# Ultrasonic Analyzer vs MultiTone Generator

The clearest difference is price: MultiTone Generator at Free against Ultrasonic Analyzer's $19.99. MultiTone Generator also leads on rating (4.6 vs 3.9) and review sentiment (80% vs 57%). Ultrasonic Analyzer's advantage is in-app purchases (none vs 7) and iOS requirement (12.4 vs 15.5). On ads and device support there is nothing between them.

MultiTone Generator is free to download; Ultrasonic Analyzer costs $19.99 up front. MultiTone Generator sells 7 in-app purchases, starting at $1.49 per month. Ultrasonic Analyzer asks for nothing beyond the download.

MultiTone Generator holds the better App Store score, 4.6 against 3.9. That said, the two scores are not equally well evidenced: MultiTone Generator has 355 ratings behind it against 35, so its average is the more settled of the two. Written reviews point the same way: 57% of Ultrasonic Analyzer's written reviews are positive against 80% of MultiTone Generator's.

Ultrasonic Analyzer ships an update every 4 months, MultiTone Generator monthly. The most recent releases landed on September 23, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | Ultrasonic Analyzer | MultiTone Generator |
| --- | --- | --- |
| Price | $19.99 | **Free** |
| Rating | [3.9 (35 ratings)](https://appshunter.io/ios/app/ultrasonic-analyzer/id851069926/reviews) | **[4.6 (355 ratings)](https://appshunter.io/ios/app/multitone-generator/id1161245288/reviews)** |
| Number of ratings | 35 | **355** |
| Positive reviews | 57.1% of reviews | **80.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Monthly** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 2 MB | 9 MB |
| Requires iOS | **12.4** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [DEXUS Pawel Krzywdzinski](https://appshunter.io/developer/377798036) | [Thomas Gruber](https://appshunter.io/developer/342699861) |

## What reviewers say

### Ultrasonic Analyzer

[App page](https://appshunter.io/ios/app/ultrasonic-analyzer/id851069926)

This app provides real-time audio analysis with visual representations of sound frequencies. It allows users to listen to and analyze ultrasounds, with options for transposed playback and slowed-down analysis of inaudible sounds. It supports various sampling rates and offers detailed charting and measurement tools.

**Highlights:** Real-time spectrum analysis, Spectrogram and oscilloscope views, Octave RTA analyzer, Transposed ultrasound listening, Slowed-down playback, High sampling rates up to 384kHz, Zoom and pan capabilities

**In-app purchases:** none


### 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 Ultrasonic Analyzer free?

Ultrasonic Analyzer costs $19.99, with no in-app purchases.

### Is MultiTone Generator free?

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

### Which has better reviews, Ultrasonic Analyzer or MultiTone Generator?

MultiTone Generator is rated higher. Ultrasonic Analyzer averages 3.9 out of 5 from 35 ratings, while MultiTone Generator averages 4.6 from 355 ratings.

### Do Ultrasonic Analyzer or MultiTone Generator have ads?

Neither Ultrasonic Analyzer nor MultiTone Generator shows ads.

### Which is updated more often, Ultrasonic Analyzer or MultiTone Generator?

Ultrasonic Analyzer ships an update every 4 months, and MultiTone Generator monthly. Most recently, Ultrasonic Analyzer was updated on September 23, 2026 and MultiTone Generator on September 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.*