# Tone Gen Pro vs Frequency Calculator

The clearest difference is in-app purchases: Frequency Calculator at none against Tone Gen Pro's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Tone Gen Pro sells 1 one-off in-app purchase. Frequency Calculator asks for nothing beyond the download.

Tone Gen Pro ships an update every 3 months, Frequency Calculator every 6 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Tone Gen Pro | Frequency Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (48 ratings)](https://appshunter.io/ios/app/tone-gen-pro/id1448112303/reviews)** | — |
| Number of ratings | **48** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 6 months |
| Monetization | Free with in-app purchases | — |
| Size | 44 MB | 43 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Ibrahim Al-Sammarraie](https://appshunter.io/developer/1448112302) | [Stage Coding](https://appshunter.io/developer/1637068135) |

## What reviewers say

### 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 |


### Frequency Calculator

[App page](https://appshunter.io/ios/app/frequency-calculator/id1619685242)

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

**In-app purchases:** none


## Frequently asked questions

### Is Tone Gen Pro free?

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

### Is Frequency Calculator free?

Frequency Calculator is free to download, with no in-app purchases.

### Do Tone Gen Pro or Frequency Calculator have ads?

Neither Tone Gen Pro nor Frequency Calculator shows ads.

### Which is updated more often, Tone Gen Pro or Frequency Calculator?

Tone Gen Pro ships an update every 3 months, and Frequency Calculator every 6 months. Most recently, Tone Gen Pro was updated on October 24, 2026 and Frequency Calculator on October 25, 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.*