LH Grain vs Midiflow Randomizer (Audiobus)
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.
Midiflow Randomizer (Audiobus)
This MIDI effect app generates random variations in notes, velocities, and timing for musical sequences. It allows users to specify the range of randomization and can be used with other MIDI tools for harmonious results. Requires Audiobus 3.
- Randomize notes
- Randomize note velocities
- Randomize timing
- Specify variation range
- Use multiple instances
- Requires Audiobus 3
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Whether you want to add a human touch to note sequences or seek inspiration, this MIDI effect app for Audiobus 3 is a simple but effective tool for you. Randomize notes, note velocities, and timing just by specifying a desired range of variations. With the help of Midiflow Scales, you can keep your randomized notes in harmony. + Randomize notes + Randomize note velocities + Randomize timing + Specify an amount of variation for each type + Use multiple instances of this effect in Audiobus NOTE: This app requires Audiobus 3. Insert it into one or more MIDI effect ports to affect the data going through the respective pipelines.
Screenshots
Verdict
The clearest difference is rating: Midiflow Randomizer (Audiobus) at 3.0 against LH Grain's 2.3. Midiflow Randomizer (Audiobus) also leads on review sentiment (50% vs 25%) and price ($1.99 vs $2.99). On ratings volume, update cadence, ads and in-app purchases 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
LH Grain costs $2.99 and Midiflow Randomizer (Audiobus) $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Midiflow Randomizer (Audiobus) holds the better App Store score, 3.0 against 2.3. Both are backed by a comparable volume of ratings — 3 and 4 respectively. Written reviews point the same way: 25% of LH Grain's written reviews are positive against 50% of Midiflow Randomizer (Audiobus)'s.
LH Grain ships an update every 15 months, Midiflow Randomizer (Audiobus) every 11 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.
| Parameter | LH Grain | Midiflow Randomizer (Audiobus) |
|---|---|---|
| Price | $2.99 | $1.99 — better |
| Rating | 2.3 (3 ratings) | 3.0 (4 ratings) — better |
| Positive reviews | 25.0% of reviews | 50.0% of reviews — better |
| Number of ratings | 3 | 4 — better |
| Update frequency | Every 15 months | Every 11 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 9.0 — better | 10.2 |
| Further details — not scored | ||
| Size | 34 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | 昊 刘 | Johannes Doerr |
Customer experience
LH Grain
Midiflow Randomizer (Audiobus)
In-app purchases
LH Grain
No in-app purchases
Midiflow Randomizer (Audiobus)
No in-app purchases
Questions
Is LH Grain free?
Is Midiflow Randomizer (Audiobus) free?
Which has better reviews, LH Grain or Midiflow Randomizer (Audiobus)?
Do LH Grain or Midiflow Randomizer (Audiobus) have ads?
Which is updated more often, LH Grain or Midiflow Randomizer (Audiobus)?
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