# Tone Generator_Pro vs カキトーク

The clearest difference is price: カキトーク at Free against Tone Generator_Pro's $3.99. カキトーク also leads on in-app purchases (none vs 1) and review sentiment (100% vs 88%). Tone Generator_Pro's advantage is device support (3 vs 1). On ads and iOS requirement there is nothing between them.

カキトーク is free to download; Tone Generator_Pro costs $3.99 up front. Tone Generator_Pro sells 1 one-off in-app purchase. カキトーク asks for nothing beyond the download.

Tone Generator_Pro ships an update every 23 months, カキトーク every 10 months. The most recent releases landed on October 26, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Tone Generator_Pro | カキトーク |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | **[2.3 (3 ratings)](https://appshunter.io/ios/app/tone-generator-pro/id510911823/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 87.5% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 23 months | **Every 10 months** |
| Monetization | Paid | **Free** |
| Size | 23 MB | 12 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 12+ | 4+ |
| Developer | [michael heinz](https://appshunter.io/developer/292745639) | [SonicStudio,LLC](https://appshunter.io/developer/1033868534) |

## What reviewers say

### Tone Generator_Pro

[App page](https://appshunter.io/ios/app/tone-generator-pro/id510911823)

Generate precise audio signals and test electronic equipment with adjustable frequency and amplitude. Includes a real-time tuner for instruments and a metronome for practice. Explore sound perception and share results for fun.

**Highlights:** Adjustable frequency and amplitude, Multiple waveform generation, Real-time instrument tuner, Metronome for tempo, White/pink noise generation, Tone sequence creation, Bluetooth audio support

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Extra 1 | $1.99 | one-time |


### カキトーク

[App page](https://appshunter.io/ios/app/kakitalk/id1033868535)

This tool enables communication when speaking is not possible. Users select characters from a 50-sound board to display messages. Its simple interface is designed for easy use by those unfamiliar with tablets or smartphones.

**Highlights:** Character board for message selection, Simple, intuitive interface, Access Guide integration for focused use, Communication without speaking

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Tone Generator_Pro free?

Tone Generator_Pro costs $3.99, and also offers in-app purchases.

### Is カキトーク free?

カキトーク is free to download, with no in-app purchases.

### Do Tone Generator_Pro or カキトーク have ads?

Neither Tone Generator_Pro nor カキトーク shows ads.

### Which is updated more often, Tone Generator_Pro or カキトーク?

Tone Generator_Pro ships an update every 23 months, and カキトーク every 10 months. Most recently, Tone Generator_Pro was updated on October 26, 2026 and カキトーク 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.*