# Tone Gen Pro vs IT4U

The clearest difference is in-app purchases: IT4U at none against Tone Gen Pro's 1. IT4U also leads on update cadence (every 3 weeks vs every 3 months) and iOS requirement (9.0 vs 12.0). On price, ads and device support there is nothing between them.

Both are free to download. Tone Gen Pro sells 1 one-off in-app purchase. IT4U asks for nothing beyond the download.

Tone Gen Pro ships an update every 3 months, IT4U every 3 weeks. The most recent releases landed on October 24, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Tone Gen Pro | IT4U |
| --- | --- | --- |
| 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 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 44 MB | 16 MB |
| Requires iOS | 12.0 | **9.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Ibrahim Al-Sammarraie](https://appshunter.io/developer/1448112302) | [TPS SOLUTION JOINT STOCK COMPANY](https://appshunter.io/developer/1523401002) |

## 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 |


### IT4U

[App page](https://appshunter.io/ios/app/it4u/id1523401000)

**Features:** macOS Compatibility

**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 IT4U free?

IT4U is free to download, with no in-app purchases.

### Do Tone Gen Pro or IT4U have ads?

Neither Tone Gen Pro nor IT4U shows ads.

### Which is updated more often, Tone Gen Pro or IT4U?

Tone Gen Pro ships an update every 3 months, and IT4U every 3 weeks. Most recently, Tone Gen Pro was updated on October 24, 2026 and IT4U on October 16, 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.*