# TestTone vs Roxsyn Guitar Synthesizer

The clearest difference is price: TestTone at $1.99 against Roxsyn Guitar Synthesizer's $19.99. On update cadence, ads, in-app purchases and device support there is nothing between them.

TestTone costs $1.99 and Roxsyn Guitar Synthesizer $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

TestTone ships an update every 5 months, Roxsyn Guitar Synthesizer every 9 months. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | TestTone | Roxsyn Guitar Synthesizer |
| --- | --- | --- |
| Price | **$1.99** | $19.99 |
| Rating | — | **[4.7 (90 ratings)](https://appshunter.io/ios/app/roxsyn-guitar-synthesizer/id1472450599/reviews)** |
| Number of ratings | — | **90** |
| Positive reviews | — | 72.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 9 months |
| Monetization | — | Paid |
| Size | 8 MB | 32 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [HTLab](https://appshunter.io/developer/384289233) | [Yonac Inc.](https://appshunter.io/developer/288670023) |

## What reviewers say

### TestTone

[App page](https://appshunter.io/ios/app/testtone/id384289230)

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

**In-app purchases:** none


### Roxsyn Guitar Synthesizer

[App page](https://appshunter.io/ios/app/roxsyn-guitar-synthesizer/id1472450599)

Transform your guitar or bass into a powerful, expressive polyphonic synthesizer without MIDI. This app synthesizes your instrument directly, capturing every nuance of your playing for rich, responsive synth sounds. No special pickups or hardware needed, just connect to your audio interface.

**Highlights:** Direct guitar synthesis (no MIDI), Metamorphic signal generators (oscillators), Dual filter banks with custom virtual-analog filters, Guitar-optimized envelopes with adjustable triggers, Powerful arpeggiator with multiple algorithms, Modulation matrix for parameter control

**In-app purchases:** none


## Frequently asked questions

### Is TestTone free?

TestTone costs $1.99, with no in-app purchases.

### Is Roxsyn Guitar Synthesizer free?

Roxsyn Guitar Synthesizer costs $19.99, with no in-app purchases.

### Do TestTone or Roxsyn Guitar Synthesizer have ads?

Neither TestTone nor Roxsyn Guitar Synthesizer shows ads.

### Which is updated more often, TestTone or Roxsyn Guitar Synthesizer?

TestTone ships an update every 5 months, and Roxsyn Guitar Synthesizer every 9 months. Most recently, TestTone was updated on October 27, 2026 and Roxsyn Guitar Synthesizer 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.*