TubeSound vs Raven Synth
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
TubeSound
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.
- 23 modeled vacuum tube circuits
- Subtle harmonic coloration
- Pro Mode for advanced control
- Tube aging simulation
- AUv3 plugin support
- Custom preset saving
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TubeSound adds the warm, rich character of classic vacuum tubes to your audio. This is not a typical tube-style distortion effect. Many presets operate below 0.5% THD, producing subtle harmonic coloration rather than heavy saturation. REAL TUBE CIRCUITS 23 carefully modeled tube circuits inspired by legendary hi-fi and guitar amplifier designs from the 1950s to today. Each model recreates key parts of the original design, including triode curves, power supply sag, transformer behavior, and natural analog drift. PRO MODE Take full control over tube circuit behavior with advanced parameters such as plate voltage, grid bias, PSU stiffness, transformer saturation, and more. Includes 5 factory presets inspired by iconic circuits, plus the ability to save and manage your own custom Pro presets. TUBE AGING Three wear stages: New, Worn, and Old. Each stage changes the tube character with increased noise, wider drift, and reduced gain. AUv3 PLUGIN Use TubeSound as an Audio Unit effect in GarageBand, AUM, or any AUv3 host. FREE TO TRY All 23 circuits are available in the trial version. During the trial, audio mutes for 3 seconds every 30 seconds. A single in-app purchase removes this limitation. FOR • audiophiles and hi-fi enthusiasts • music producers and mixing engineers • mastering and subtle harmonic coloration • guitar and instrument processing • adding analog tube character to digital audio Product names are used for reference purposes only and are not affiliated with or endorsed by their respective owners.
Raven Synth
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.
- 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
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RAVEN - Wavetable Morphing Synth RAVEN is a deep, expressive wavetable-morphing synthesizer designed for evolving textures and sculpted sound on iOS. Built for musicians, producers, and sound designers, Raven delivers drawable waveforms, real-time morphing, and a full effects chain in a clean, performance-ready interface - whether you're crafting pads, designing sounds, or playing live. Key Features: Dual drawable oscillators with wavetable morphing Utility oscillator (sub, ring mod, FM, noise, harmonics) Classic ladder filter with 12/24dB slope Dual ADSR envelopes (Filter + Amp) Dual LFOs with drawable waveforms, fade-in (up to 20s), and flexible modulation slots 12-band parametric EQ Delay, reverb, chorus, and distortion FX 56 factory presets with QR code sharing Touch-optimized performance controls AUv3 instrument support CoreMIDI & Bluetooth MIDI Designed for iPhone and iPad Raven is intentionally deep - every control shapes the sound. Draw your waveforms. Morph between them. Sculpt everything in between. Designed for exploration. Built for expression.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | TubeSound | Raven Synth |
|---|---|---|
| Price | Free — better | $6.99 |
| Rating | — | 5.0 (5 ratings) — better |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | — | 5 — better |
| Update frequency | Weekly | Every 4 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases — better | Paid |
| Devices | iPhone, iPad, Mac — better | iPhone, iPad |
| Requires iOS | 16.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 7 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | Bartosz Paprzycki | Steffen Mølgaard Larsen |
Customer experience
TubeSound
Raven Synth
In-app purchases
TubeSound
- Unlock Full Version$19.99
Raven Synth
No in-app purchases








