# Vowel Practice vs Tone Gen Pro

The clearest difference is review sentiment: Tone Gen Pro at 75% against Vowel Practice's 18%. Tone Gen Pro also leads on price (Free vs $7.99) and rating (4.5 vs 1.0). Vowel Practice's advantage is in-app purchases (none vs 1). On update cadence, ads and device support there is nothing between them.

Tone Gen Pro is free to download; Vowel Practice costs $7.99 up front. Tone Gen Pro sells 1 one-off in-app purchase. Vowel Practice asks for nothing beyond the download.

Tone Gen Pro holds the better App Store score, 4.5 against 1.0. That said, the two scores are not equally well evidenced: Tone Gen Pro has 48 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 18% of Vowel Practice's written reviews are positive against 75% of Tone Gen Pro's.

Vowel Practice ships an update every 4 months, Tone Gen Pro every 3 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | Vowel Practice | Tone Gen Pro |
| --- | --- | --- |
| Price | $7.99 | **Free** |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/vowel-practice/id799183655/reviews) | **[4.5 (48 ratings)](https://appshunter.io/ios/app/tone-gen-pro/id1448112303/reviews)** |
| Number of ratings | 1 | **48** |
| Positive reviews | 18.2% of reviews | **75.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 1 MB | 44 MB |
| Requires iOS | 26.0 | **12.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [William Entriken](https://appshunter.io/developer/558586671) | [Ibrahim Al-Sammarraie](https://appshunter.io/developer/1448112302) |

## What reviewers say

### Vowel Practice

[App page](https://appshunter.io/ios/app/vowel-practice/id799183655)

Analyze spoken vowels by calculating and plotting their formant frequencies. Speak a word with a single vowel to see its graphical representation on a standard vowel diagram, with an indicator light showing the application's status. Useful for speech therapy, language learning, and research.

**Highlights:** Calculates formant frequencies, Plots vowel locations on a diagram, Analyzes spoken vowels, Indicator light for status, Assists speech therapy, Supports language learning

**Features:** Vision Pro support

**In-app purchases:** none


### Tone Gen Pro

[App page](https://appshunter.io/ios/app/tone-gen-pro/id1448112303)

Create various audio signals, including single tones, sweeps, and merged sounds, with extensive parameter control. Ideal for students, musicians, educators, and audio professionals exploring sound.

**Highlights:** Generate single type signals (sine, square, noise), Create sweep (chirp) signals (linear/exponential), Generate click signals with adjustable duty cycle, Merge multiple tones and sweeps, Frequencies up to 20 kHz, Extensive parameter control

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tone Gen Pro Full | $1.99 | one-time |


## Frequently asked questions

### Is Vowel Practice free?

Vowel Practice costs $7.99, with no in-app purchases.

### Is Tone Gen Pro free?

Tone Gen Pro is free to download, with in-app purchases available.

### Which has better reviews, Vowel Practice or Tone Gen Pro?

Tone Gen Pro is rated higher. Vowel Practice averages 1.0 out of 5 from 1 ratings, while Tone Gen Pro averages 4.5 from 48 ratings.

### Do Vowel Practice or Tone Gen Pro have ads?

Neither Vowel Practice nor Tone Gen Pro shows ads.

### Which is updated more often, Vowel Practice or Tone Gen Pro?

Vowel Practice ships an update every 4 months, and Tone Gen Pro every 3 months. Most recently, Vowel Practice was updated on October 24, 2026 and Tone Gen Pro on October 24, 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.*