Comparison

LH Grain vs Orbital Harp

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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.

About

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.

Highlights
  • Generative music creation
  • 17 unique instruments
  • Beautiful nebula visuals
  • Multiple musical scales
  • Configurable physics and effects
  • Background playback
  • MIDI support (Premium)
Features
Read full description

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

LH Grain4 screens
Orbital Harp4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard7 real differences · 3 level
LH Grain versus Orbital Harp: the parameters behind the verdict, then further details
ParameterLH GrainOrbital Harp
Price$2.99Free — better
Rating2.3 (3 ratings)5.0 (7 ratings) — better
Positive reviews25.0% of reviews100.0% of reviews — better
Number of ratings37 — better
Update frequencyEvery 15 monthsEvery 5 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPodiPhone, iPad
Requires iOS9.0 — better16.0
Further details — not scored
Size34 MB20 MB
Age rating+44+
Developer昊 刘Static Void Studio, LLC

Customer experience

LH Grain

All ratings3 ratings
Positive33.3%
Neutral0.0%
Negative66.7%
Written reviews4 reviews
Positive25.0%
Neutral0.0%
Negative75.0%

Orbital Harp

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

LH Grain

No in-app purchases

1 purchases

Orbital Harp

One-time1
  • Premium Upgrade$4.99

Questions

Is LH Grain free?
LH Grain costs $2.99, with no in-app purchases.
Is Orbital Harp free?
Orbital Harp is free to download, with in-app purchases available.
Which has better reviews, LH Grain or Orbital Harp?
Orbital Harp is rated higher. LH Grain averages 2.3 out of 5 from 3 ratings, while Orbital Harp averages 5.0 from 7 ratings.
Do LH Grain or Orbital Harp have ads?
Neither LH Grain nor Orbital Harp shows ads.
Which is updated more often, LH Grain or Orbital Harp?
LH Grain ships an update every 15 months, and Orbital Harp every 5 days. Most recently, LH Grain was updated on November 6, 2026 and Orbital Harp on November 5, 2026.

Other comparisons