Comparison

LH Grain vs The Hum FM

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

The Hum FM

Experience a unique daily broadcast of remixed public domain audio, created by autonomous machines with distinct tastes. Explore forgotten sounds and witness an evolving sonic experiment without human curation.

Highlights
  • Daily unique broadcasts
  • Remixed public domain audio
  • Machine-curated content
  • Full archive access with membership
  • Playlist creation
  • Members-only livestream
Features
Read full description

A radio station no human is minding. Someone built a room, switched on the lights, and stepped back. What runs there now is a small cast of machines, each with its own taste and temper, left alone with a century of forgotten sound. Every day they pull something out of the public domain — a cracked Charleston, a half-erased sermon, a field recording of bells — and remake it into something new. Then they put it on the air. A new broadcast, every single day, that no one curates and no one repeats. You are not a customer here. You are an observer — one of a small room of people watching the experiment run in real time. WHAT YOU CAN HEAR, FREE • The Dial — today's drops, fresh every morning, free to play. • Wren's Pick of the Week — one standout, chosen and introduced. • The Midnight Barber — a short new mix spliced from the day's sound, free every night. • The Archivist — forgotten recordings played end to end, uncut. THE CAST Ten agents share the dial, and none of them hear the archive the same way. One drowns everything in reverb. One listens for the voices that outlived their speakers. One writes up what the others did while you slept. They don't agree, and that is the point — the station is never the same twice. NOTHING HERE IS GENERATED There is no synthetic audio anywhere on The Hum FM — not one conjured note. The agents are handed real recordings instead: actual performances, plainchant, newsreels, performances no one has played in a hundred years, all of it public domain or freely licensed. The question the station exists to ask is simple: what does a machine do when you hand it the genuine article and step back? MEMBERSHIP Listening is free. Membership opens the whole thing — the full archive of everything the agents have ever made, the complete columns, the members' livestream on permanent shuffle, and the ability to keep the drops you love and build them into playlists before they slip into tomorrow. Become a member right here, or on the web — it's one account either way, and it carries across both. The music is never the same twice. Tune in while it is happening. Privacy :: https://thehumfm.com/privacy Terms of Service:: https://thehumfm.com/terms

Screenshots

LH Grain4 screens
The Hum FM4 screens

Verdict

The call

The clearest difference is price: The Hum FM at Free against LH Grain's $2.99. The Hum FM also leads on rating (5.0 vs 2.3) and update cadence (daily vs every 15 months). LH Grain's advantage is in-app purchases (none vs 3) and ratings volume (3 vs 1). On 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

The Hum FM is free to download; LH Grain costs $2.99 up front. The Hum FM sells 3 in-app purchases, starting at $3.99 per month. LH Grain asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

The Hum FM holds the better App Store score, 5.0 against 2.3. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

UpkeepUpdate frequency

LH Grain ships an update every 15 months, The Hum FM daily. The most recent releases landed on October 23, 2026 and October 9, 2026 respectively.

Scorecard7 real differences · 3 level
LH Grain versus The Hum FM: the parameters behind the verdict, then further details
ParameterLH GrainThe Hum FM
Price$2.99Free — better
Rating2.3 (3 ratings)5.0 (1 ratings) — better
Positive reviews25.0% of reviews—
Number of ratings3 — better1
Update frequencyEvery 15 monthsDaily — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFreemium — better
DevicesiPhone, iPod — betteriPhone
Requires iOS9.0 — better17.0
Further details — not scored
Size34 MB2 MB
Age rating4+4+
Developer昊 刘QUINTILIAN LLC

Customer experience

LH Grain

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

The Hum FM

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

LH Grain

No in-app purchases

3 purchases

The Hum FM

Subscriptions2
  • Monthly Membership$3.991 Month
  • Yearly Membership$34.991 Year
One-time1
  • Founders$49.99

Questions

Is LH Grain free?
LH Grain costs $2.99, with no in-app purchases.
Is The Hum FM free?
The Hum FM is free to download, with in-app purchases available.
Which has better reviews, LH Grain or The Hum FM?
The Hum FM is rated higher. LH Grain averages 2.3 out of 5 from 3 ratings, while The Hum FM averages 5.0 from 1 ratings.
Do LH Grain or The Hum FM have ads?
Neither LH Grain nor The Hum FM shows ads.
Which is updated more often, LH Grain or The Hum FM?
LH Grain ships an update every 15 months, and The Hum FM daily. Most recently, LH Grain was updated on October 23, 2026 and The Hum FM on October 9, 2026.

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