# TestTone vs Synclavier Go! App and Plugin

The clearest difference is price: TestTone at $1.99 against Synclavier Go! App and Plugin's $19.99. Synclavier Go! App and Plugin's advantage is update cadence (every 3 weeks vs every 6 months) and iOS requirement (12.0 vs 15.6). On ads, in-app purchases and device support there is nothing between them.

TestTone costs $1.99 and Synclavier Go! App and Plugin $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

TestTone ships an update every 6 months, Synclavier Go! App and Plugin every 3 weeks. The most recent releases landed on September 13, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | TestTone | Synclavier Go! App and Plugin |
| --- | --- | --- |
| Price | **$1.99** | $19.99 |
| Rating | — | **[4.7 (52 ratings)](https://appshunter.io/ios/app/synclavier-go-app-and-plugin/id1378108734/reviews)** |
| Number of ratings | — | **52** |
| Positive reviews | — | 81.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 weeks** |
| Monetization | — | Paid |
| Size | 8 MB | 94 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [HTLab](https://appshunter.io/developer/384289233) | [Synclavier Digital Corporation Ltd](https://appshunter.io/developer/1200334789) |

## What reviewers say

### TestTone

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

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

**In-app purchases:** none


### Synclavier Go! App and Plugin

[App page](https://appshunter.io/ios/app/synclavier-go-app-and-plugin/id1378108734)

Experience the legendary Synclavier sound on your mobile device. This app offers a powerful vintage synthesizer and sampler with modern MPE and AUv3 compatibility, allowing for deep sound design and integration with iOS DAWs.

**Highlights:** Vintage synthesizer and sampler, AUv3 client for iOS DAWs, MPE compatibility, 12 Partial Timbres, 16-track mixing console, Artist Preset Libraries, Sample Library

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is TestTone free?

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

### Is Synclavier Go! App and Plugin free?

Synclavier Go! App and Plugin costs $19.99, with no in-app purchases.

### Do TestTone or Synclavier Go! App and Plugin have ads?

Neither TestTone nor Synclavier Go! App and Plugin shows ads.

### Which is updated more often, TestTone or Synclavier Go! App and Plugin?

TestTone ships an update every 6 months, and Synclavier Go! App and Plugin every 3 weeks. Most recently, TestTone was updated on September 13, 2026 and Synclavier Go! App and Plugin on September 21, 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.*