LH Grain vs Orbital Harp
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
LH Grain
Create intricate soundscapes and dynamic audio effects with a dual-channel granular synthesizer. Features include diverse amplitude envelopes, extensive audio effects, and intuitive live performance tools like a touchpad and customizable pitch bar.
- Dual-channel granular synthesis
- 8 amplitude envelope options
- 10 integrated audio effects
- Real-time touchpad control
- Customizable pitch bar
- OSC compatibility
- Record and share sound files
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LH Grain: A Dual-Channel Granular Synthesizer for Live Performance Mastery Unleash your creative potential with LH Grain, an innovative two-channel granular synthesizer designed for both immersive soundscapes and dynamic live performances. Each channel operates independently, allowing for intricate granular textures and rich audio effects. Key Features: *Amplitude Envelope Diversity: Choose from 8 unique amplitude envelopes for crafting your grains, offering a spectrum of wave shapes for unparalleled sound design. *Extensive Audio Effects: Elevate your sound with 10 integrated audio effects, ranging from EQ and formant filters to chorus and reverb, adding layers of complexity to your sonic creations. *Intuitive Live Performance Tools: --Touchpad Control: Visualize and manipulate grains in real-time with a responsive touchpad interface. --Customizable Pitch Bar: Fine-tune your sound with an easily adjustable pitch bar for on-the-fly modifications. *OSC Compatibility: Seamlessly integrate with other devices in real-time using OSC format messages, enhancing live collaboration and interaction. *Robust File Management: Record your creations, and easily share sound files for collaborative projects or personal archiving. Please Note: LH Grain currently does not support Audiobus, external sound recording, or importing additional audio files. Explore Rich Soundscapes with Advanced FX: Immerse in deep audio manipulation with a suite of FX including EQ, Formant Filter, Ring Modulation, Low Pass Filter, MultiFilter, Chorus, Flanger, Distortion, Delay, and Reverb. Each effect is fine-tuned to complement the granular synthesis process, ensuring your performance stands out. Elevate your audio experience with LH Grain – where innovation meets artistry in the realm of granular synthesis.
Orbital Harp
Create unique orbital symphonies by tapping to generate planets that play notes as they orbit suns. Experience ever-changing soundscapes that blend chaos and calm, with a variety of instruments and visual effects.
- Generative music creation
- 17 unique instruments
- Beautiful nebula visuals
- Multiple musical scales
- Configurable physics and effects
- Background playback
- MIDI support (Premium)
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Tap to create planets. Watch them orbit suns and play notes as they pass through zones. Sounds weave in and out as planets speed up, slow down, collide, and interact. The music shifts between chaos and calm, never repeating the same way twice. Features: • 17 instruments: piano, harp, kalimba, pads, bells, theremin, and more • Beautiful visuals: nebula backgrounds, glowing planets with particle trails, dynamic lighting • Multiple scales: Major, Minor, Pentatonic, Dorian, Blues, and more • Grid and harp layouts: choose how zones are arranged • Keys or strings triggering: change how planets trigger notes • Autoharp mode: toggle or hold notes to control what's playable • Paint mode: assign specific notes to each zone, including wildcards • Per-planet control: assign different instruments, scales, and octave ranges to each planet • Built-in effects: filter, delay, and reverb with real-time control • Saves: build a library of evolving compositions • Background playback: keeps making music when you switch apps • Configurable physics: toggle wall bounces, collisions, and collision sounds MIDI Support (Premium): • Multi-timbral output with 16 channels + X/Y position CC per planet • MPE mode with per-note pitch bend, slide, and pressure • Route to any MIDI-compatible app (AUM, GarageBand, DAWs, synths) • Per-planet MIDI routing: assign MIDI channels and MPE controls independently Perfect for: • Ambient soundscapes that evolve on their own • Live performance and improvisation • Meditation, relaxation, and creative flow • Generative music experiments • Weird beats and drones No subscription. No ads. Just you and the universe.
Screenshots
Verdict
The clearest difference is review sentiment: Orbital Harp at 100% against LH Grain's 25%. Orbital Harp also leads on price (Free vs $2.99) and rating (5.0 vs 2.3). LH Grain's advantage is in-app purchases (none vs 1) and iOS requirement (9.0 vs 16.0). On ratings volume, 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
Orbital Harp is free to download; LH Grain costs $2.99 up front. Orbital Harp sells 1 one-off in-app purchase. LH Grain asks for nothing beyond the download.
Orbital Harp holds the better App Store score, 5.0 against 2.3. Both are backed by a comparable volume of ratings — 3 and 7 respectively. Written reviews point the same way: 25% of LH Grain's written reviews are positive against 100% of Orbital Harp's.
LH Grain ships an update every 15 months, Orbital Harp every 5 days. The most recent releases landed on November 6, 2026 and November 5, 2026 respectively.
| Parameter | LH Grain | Orbital Harp |
|---|---|---|
| Price | $2.99 | Free — better |
| Rating | 2.3 (3 ratings) | 5.0 (7 ratings) — better |
| Positive reviews | 25.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 3 | 7 — better |
| Update frequency | Every 15 months | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free with in-app purchases — better |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 9.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 34 MB | 20 MB |
| Age rating | +4 | 4+ |
| Developer | 昊 刘 | Static Void Studio, LLC |
Customer experience
LH Grain
Orbital Harp
In-app purchases
LH Grain
No in-app purchases
Orbital Harp
- Premium Upgrade$4.99









