Comparison

Lumn vs M2DX

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

Head to head
About

Lumn

Create music with a powerful beatmaker and sampler. Build grooves, layer synths and drums, and sculpt your sound with expressive effects. Move from inspiration to production with an intuitive workflow designed for fast creativity.

Highlights
  • Intuitive music-making workflow
  • Sample sounds and create original tracks
  • Layer synths and drums
  • Tweak expressive effects
  • High-quality audio engine
  • Fast, immediate creative process
Features
Read full description

Lumn is a powerful beatmaker for producers, creators, and anyone who wants to turn ideas into finished tracks. Build grooves, sample sounds, stack synths and drums, and sculpt your mix with expressive effects, all inside a fast, intuitive workflow. Whether you’re sketching a loop in seconds or crafting a full arrangement, Lumn gives you the tools to move from inspiration to production without breaking your flow. WITH LUMN • Create beats with an intuitive music-making workflow • Sample sounds and turn them into something original • Layer synths and drums for rich, dynamic tracks • Tweak effects to shape tone, space, punch, and texture • Build with a high-quality audio engine designed for great sound BUILD FOR FAST CREATIVITY Lumn keeps the process smooth and immediate, so you can experiment, refine, and discover new ideas naturally. DESIGNED FOR SERIOUS SOUND From hard-hitting drums to textured synth layers, every element runs through a high-quality audio engine for a polished, responsive feel. Start simple. Go deep. Create with Lumn.

About

M2DX

Create music with a powerful 6-operator FM synthesizer. Explore hand-crafted presets or import classic DX7 banks. Use the on-screen keyboard or connect MIDI controllers for a versatile music-making experience.

Highlights
  • 6-operator, 32-algorithm FM synthesis
  • On-screen keyboard with velocity control
  • DX7-format .syx bank import
  • 6-stage FX chain
  • AUv3 plug-in support
  • Native MIDI 2.0 support
Features
Read full description

M2DX is a 6-operator, 32-algorithm FM synthesizer for iPhone, built from the ground up in pure Swift 6. Open it and play immediately — tap the built-in on-screen keyboard and start making sound with M2DX's own hand-crafted presets. No external hardware or MIDI controller is required. The FM engine is a bit-exact port of the open-source Dexed / msfa DSP, verified sample-for-sample against the reference. It is also compatible with the classic DX7 patch format: bring your own DX7-format .syx banks and play them alongside M2DX's originals. KEY FEATURES - Built-in on-screen keyboard with velocity and octave control — play standalone, no hardware needed - 6-operator, 32-algorithm DX7-style FM synthesis - M2DX's own original FM presets, plus DX7-format .syx bank import (bring your own) - A 6-stage FX chain: EQ, Drive, Chorus, Reverb, Stereo, Maximizer - Low-latency audio with AVAudioSourceNode direct rendering - AUv3 plug-in — use M2DX as an Audio Unit (AUv3) in compatible hosts OPTIONAL MIDI (not required to use the app) - Connect any MIDI controller over Bluetooth or USB if you have one - Native MIDI 2.0 — UMP with 16-bit velocity and 32-bit controllers - MIDI-CI Property Exchange — patch names appear on compatible controllers (for example, KORG KeyStage) - MIDI Learn for hands-on control MIDI 2.0 done natively, classic FM done faithfully. The FM engine is built on Dexed / msfa (Apache License 2.0). M2DX is an independent product and is not affiliated with, endorsed by, or sponsored by Yamaha Corporation. DX7 and Yamaha are trademarks of Yamaha Corporation. iOS 18 or later.

Screenshots

Lumn4 screens
M2DX4 screens

Verdict

The call

The clearest difference is price: M2DX at Free against Lumn's $4.99. M2DX also leads on update cadence (every 2 days vs every 3 weeks) and iOS requirement (18.0 vs 26.0). Lumn's advantage is rating (4.8 vs 4.0) and in-app purchases (none vs 1). On ratings volume, ads, monetization model 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

M2DX is free to download; Lumn costs $4.99 up front. M2DX sells 1 one-off in-app purchase. Lumn asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Lumn holds the better App Store score, 4.8 against 4.0. Both are backed by a comparable volume of ratings — 4 and 4 respectively. Written reviews point the same way: 50% of Lumn's written reviews are positive against 25% of M2DX's.

UpkeepUpdate frequency

Lumn ships an update every 3 weeks, M2DX every 2 days. Both last shipped on November 5, 2026.

Scorecard6 real differences · 4 level
Lumn versus M2DX: the parameters behind the verdict, then further details
ParameterLumnM2DX
Price$4.99Free — better
Rating4.8 (4 ratings) — better4.0 (4 ratings)
Positive reviews50.0% of reviews — better25.0% of reviews
Number of ratings44
Update frequencyEvery 3 weeksEvery 2 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFreeFree
DevicesiPhoneiPhone
Requires iOS26.018.0 — better
Further details — not scored
Size19 MB16 MB
Age rating4+4+
DeveloperDavid FumbergerHakaru Hirose

Customer experience

Lumn

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

M2DX

All ratings3 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews4 reviews
Positive25.0%
Neutral75.0%
Negative0.0%

In-app purchases

None

Lumn

No in-app purchases

1 purchases

M2DX

One-time1
  • M2DX Pro Unlock$9.99

Questions

Is Lumn free?
Lumn costs $4.99, with no in-app purchases.
Is M2DX free?
M2DX is free to download, with in-app purchases available.
Which has better reviews, Lumn or M2DX?
Lumn is rated higher. Lumn averages 4.8 out of 5 from 4 ratings, while M2DX averages 4.0 from 4 ratings.
Do Lumn or M2DX have ads?
Neither Lumn nor M2DX shows ads.
Which is updated more often, Lumn or M2DX?
Lumn ships an update every 3 weeks, and M2DX every 2 days. Most recently, Lumn was updated on November 5, 2026 and M2DX on November 5, 2026.

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