# TubeSound vs Raven Synth

The clearest difference is price: TubeSound at Free against Raven Synth's $6.99. Raven Synth's advantage is in-app purchases (none vs 1). On review sentiment, update cadence, ads and device support there is nothing between them.

TubeSound is free to download; Raven Synth costs $6.99 up front. TubeSound sells 1 one-off in-app purchase. Raven Synth asks for nothing beyond the download.

TubeSound ships an update weekly, Raven Synth every 4 days. The most recent releases landed on October 19, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | TubeSound | Raven Synth |
| --- | --- | --- |
| Price | **Free** | $6.99 |
| Rating | — | **[5.0 (5 ratings)](https://appshunter.io/ios/app/raven-synth/id6761521717/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | **Every 4 days** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 7 MB | 10 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Bartosz Paprzycki](https://appshunter.io/developer/1882313902) | [Steffen Mølgaard Larsen](https://appshunter.io/developer/1860980002) |

## What reviewers say

### TubeSound

[App page](https://appshunter.io/ios/app/tubesound/id6760015018)

This app emulates the warm sound of classic vacuum tubes for your audio. It offers 23 modeled tube circuits, from subtle harmonic coloration to amplifier-inspired saturation. Advanced controls allow for deep customization of tube behavior and aging.

**Highlights:** 23 modeled vacuum tube circuits, Subtle harmonic coloration, Pro Mode for advanced control, Tube aging simulation, AUv3 plugin support, Custom preset saving

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Full Version | $19.99 | one-time |


### Raven Synth

[App page](https://appshunter.io/ios/app/raven-synth/id6761521717)

This powerful wavetable synthesizer allows musicians to draw custom waveforms and morph between them. Sculpt evolving textures with a deep effects chain and performance-ready interface for sound design and live playing.

**Highlights:** Dual drawable oscillators with wavetable morphing, Utility oscillator with sub, ring mod, FM, noise, and harmonics, Classic ladder filter with 12/24dB slope, Dual ADSR envelopes for filter and amp, Dual LFOs with drawable waveforms and modulation slots, Full effects chain including delay, reverb, chorus, and distortion, AUv3 instrument and MIDI support

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

**In-app purchases:** none


## Frequently asked questions

### Is TubeSound free?

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

### Is Raven Synth free?

Raven Synth costs $6.99, with no in-app purchases.

### Do TubeSound or Raven Synth have ads?

Neither TubeSound nor Raven Synth shows ads.

### Which is updated more often, TubeSound or Raven Synth?

TubeSound ships an update weekly, and Raven Synth every 4 days. Most recently, TubeSound was updated on October 19, 2026 and Raven Synth on October 8, 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.*