# Clef Trainer vs Tonic Synths

The clearest difference is in-app purchases: Tonic Synths at none against Clef Trainer's 1. Tonic Synths also leads on ads (none vs shown). Clef Trainer's advantage is update cadence (every 4 days vs every 11 days). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Clef Trainer sells 1 one-off in-app purchase. Tonic Synths asks for nothing beyond the download.

Clef Trainer ships an update every 4 days, Tonic Synths every 11 days. The most recent releases landed on October 1, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Clef Trainer | Tonic Synths |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/tonic-synths/id6781071843/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 4 days** | Every 11 days |
| Monetization | — | Free |
| Size | 29 MB | 20 MB |
| Requires iOS | **15.1** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tuan Anh Nguyen](https://appshunter.io/developer/1702873367) | [UpTech Works, LLC](https://appshunter.io/developer/1190352695) |

## What reviewers say

### Clef Trainer

[App page](https://appshunter.io/ios/app/clef-trainer/id6745273935)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Clef Trainer Plus | $0.99 | one-time |


### Tonic Synths

[App page](https://appshunter.io/ios/app/tonic-synths/id6781071843)

This app offers a portable music studio with 14 unique synthesizers for creating and sculpting audio. Users can draw sounds, program melodies, and apply effects like reverb and compression. Recordings can be exported as WAV files for use in other projects.

**Highlights:** 14 unique synthesizers, XY pad sound sculpting, 8-step melody programming, Resonant filter sculpting, Reverb and compressor effects, 60-second audio recording, WAV file export

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

**In-app purchases:** none


## Frequently asked questions

### Is Clef Trainer free?

Clef Trainer is free to download, with in-app purchases available.

### Is Tonic Synths free?

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

### Do Clef Trainer or Tonic Synths have ads?

Clef Trainer shows ads; Tonic Synths does not.

### Which is updated more often, Clef Trainer or Tonic Synths?

Clef Trainer ships an update every 4 days, and Tonic Synths every 11 days. Most recently, Clef Trainer was updated on October 1, 2026 and Tonic Synths 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.*