Comparison

LH Grain vs Midiflow Randomizer (Audiobus)

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

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.

Highlights
  • Randomize notes
  • Randomize note velocities
  • Randomize timing
  • Specify variation range
  • Use multiple instances
  • Requires Audiobus 3
Features
Read full description

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

LH Grain4 screens
Midiflow Randomizer (Audiobus)4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard3 real differences · 7 level
LH Grain versus Midiflow Randomizer (Audiobus): the parameters behind the verdict, then further details
ParameterLH GrainMidiflow Randomizer (Audiobus)
Price$2.99$1.99 — better
Rating2.3 (3 ratings)3.0 (4 ratings) — better
Positive reviews25.0% of reviews50.0% of reviews — better
Number of ratings34 — better
Update frequencyEvery 15 monthsEvery 11 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS9.0 — better10.2
Further details — not scored
Size34 MB5 MB
Age rating4+4+
Developer昊 刘Johannes Doerr

Customer experience

LH Grain

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

Midiflow Randomizer (Audiobus)

All ratings4 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews6 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

In-app purchases

None

LH Grain

No in-app purchases

None

Midiflow Randomizer (Audiobus)

No in-app purchases

Questions

Is LH Grain free?
LH Grain costs $2.99, with no in-app purchases.
Is Midiflow Randomizer (Audiobus) free?
Midiflow Randomizer (Audiobus) costs $1.99, with no in-app purchases.
Which has better reviews, LH Grain or Midiflow Randomizer (Audiobus)?
Midiflow Randomizer (Audiobus) is rated higher. LH Grain averages 2.3 out of 5 from 3 ratings, while Midiflow Randomizer (Audiobus) averages 3.0 from 4 ratings.
Do LH Grain or Midiflow Randomizer (Audiobus) have ads?
Neither LH Grain nor Midiflow Randomizer (Audiobus) shows ads.
Which is updated more often, LH Grain or Midiflow Randomizer (Audiobus)?
LH Grain ships an update every 15 months, and Midiflow Randomizer (Audiobus) every 11 months. Most recently, LH Grain was updated on October 23, 2026 and Midiflow Randomizer (Audiobus) on October 24, 2026.

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