MOUND vs Etherpad
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MOUND
Create unique music by layering sounds and applying effects with intuitive touch controls. Explore chord progressions, sonic combinations, and evolving soundscapes.
- Collage soundscape sequencer
- Four mix channels
- 100+ soundfont instruments
- Paint to drive effects
- Euclidean sequencing
- Choose key, scale, BPM, and sequence length
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A collage soundscape sequencer. MOUND is a unique touch instrument (standalone and AUv3 instrument and MIDI included) that uses collage and paint to generate music. You get four layers of stamps to populate chord progressions automatically using euclidean sequencing, and up to 6 paintbrush effects to use your gestures for uninhibited sonic combinations. FEATURES - Four mix channels — chord channel, and three other voices to layer. - 100+ soundfont instruments - Paint to drive effects — use X/Y and hold to control effects - Evolve — mutate your canvas and hear new possibilities - Choose key and scale - Choose BPM and sequence length - FREE Cassette Effect and Granular Delay Free to play. Unlock the full SoundFont library, advanced EVOLVE theory settings, and the rest of the spray effects. Built by fourtrack.fm.
Etherpad
Create evolving soundscapes and ambient textures with an intuitive touch-based music synthesizer. Explore generative music without needing music theory, perfect for relaxation or creative expression.
- Multi-touch synthesis
- Multiple sound presets
- Visual particle effects
- Effect overlays
- Scale selection
- Landscape & portrait modes
- Low-latency audio
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Etherpad is an expressive touch-based music synthesis instrument for iPhone, iPad and your Mac. Sweep your fingers across the screen to create evolving soundscapes, ambient drones, and generative textures. (AUv3 support in Beta) Powered by the legendary Csound audio engine, Etherpad turns your device into a portable synthesizer that responds to every touch with rich, organic sound. No music theory required — just touch, listen, and explore. KEY FEATURES • Multi-touch synthesis — Each finger controls pitch and timbre independently • Distinct Soundscapes — Switch between evolving pad sounds and textures • Reactive Visuals — ripples, trails, rings, and column glow respond to every touch • 14 evolving sounds — from lush pads to Glass Choir, PWM Pad, and Morphwave • Advanced Scales & Tuning — Break out of standard keys and explore the Bohlen-Pierce scale, overtone series, pentatonics, and more • Jam Sessions — Load your own audio tracks directly into the app and play along with your creative flow • MIDI 2.0 — per-note expression and full MIDI support for connected controllers (Beta) • AUv3 plug-in — play Etherpad inside Logic Pro, GarageBand, AUM, and other hosts (Beta) • Ultra Low-latency audio — Built on Csound, the industry-standard audio engine PERFECT FOR • Ambient and drone musicians • Meditation and relaxation • Beginners exploring sound synthesis • Live performers and improvisers • Sound designers and experimental composers • Anyone curious about generative music Website: https://etherpad.app Touch the surface. Hear the universe.
Screenshots
Verdict
The clearest difference is in-app purchases: Etherpad at none against MOUND's 1. Etherpad also leads on review sentiment (100% vs 67%) and update cadence (every 2 days vs every 5 days). On price, rating, ratings volume and ads 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
Both are free to download. MOUND sells 1 one-off in-app purchase. Etherpad asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.8 for MOUND against 4.9 for Etherpad. Both are backed by a comparable volume of ratings — 8 and 20 respectively. Written reviews are what separate them: 67% of MOUND's written reviews are positive against 100% of Etherpad's.
MOUND ships an update every 5 days, Etherpad every 2 days. The most recent releases landed on September 15, 2026 and September 22, 2026 respectively.
| Parameter | MOUND | Etherpad |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (8 ratings) | 4.9 (20 ratings) — better |
| Positive reviews | 66.7% of reviews | 100.0% of reviews — better |
| Number of ratings | 8 | 20 — better |
| Update frequency | Every 5 days | Every 2 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad | iPhone, iPad, Mac — better |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 176 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | fourtrack.fm LLC | Dinesh Yadav |
Customer experience
MOUND
Etherpad
In-app purchases
MOUND
- MOUND Lifetime Unlock$4.99
Etherpad
No in-app purchases








