# S vs Tonic Synths

The clearest difference is rating: Tonic Synths at 5.0 against S's 4.5. Tonic Synths also leads on update cadence (every 11 days vs every 6 weeks). S's advantage is ratings volume (4 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Tonic Synths holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

S ships an update every 6 weeks, Tonic Synths every 11 days. The most recent releases landed on October 12, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | S | Tonic Synths |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (4 ratings)](https://appshunter.io/ios/app/s-2/id6769518675/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/tonic-synths/id6781071843/reviews)** |
| Number of ratings | **4** | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 11 days** |
| Monetization | Free | Free |
| Size | 17 MB | 20 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Mathias Kirkerød](https://appshunter.io/developer/1884969842) | [UpTech Works, LLC](https://appshunter.io/developer/1190352695) |

## What reviewers say

### S

[App page](https://appshunter.io/ios/app/s-2/id6769518675)

This app is a polyphonic synthesizer that works with specific hardware. It offers a variety of sound engines, filters, and effects for creating unique audio textures. Advanced modulation options and a flexible routing system allow for deep sound design.

**Highlights:** Dual engine slots per voice, Multiple sound flavors (analog, wavetable, FM, speech), Classic and Modern filter modes, Advanced FX rack, Two free-routing LFOs, Unified mod matrix, Standalone, AU, and AUv3 formats

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 S free?

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

### Is Tonic Synths free?

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

### Which has better reviews, S or Tonic Synths?

Tonic Synths is rated higher. S averages 4.5 out of 5 from 4 ratings, while Tonic Synths averages 5.0 from 1 ratings.

### Do S or Tonic Synths have ads?

Neither S nor Tonic Synths shows ads.

### Which is updated more often, S or Tonic Synths?

S ships an update every 6 weeks, and Tonic Synths every 11 days. Most recently, S was updated on October 12, 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.*