M2DX vs iGrooveMuse
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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.
iGrooveMuse
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iGrooveMuseは、レトロでかわいいデザインと本格サウンドを 両立したミュージックプレイヤーアプリです。 【4つのプレイヤーモード】 RECORD(レコード) 温かみのあるアナログサウンドで音楽を楽しめます。 CASSETTE(カセット) 懐かしいカセットテープの雰囲気を再現。 CD クリアでフラットな高音質再生。 PORTABLE(ポータブル) 低音強調のパワフルなサウンド。 【イコライザー機能】 Rock・Pop・Jazz・Classical・Bass Boostなど 豊富なプリセットから好みのサウンドを選択。 ボーカルミュート機能でカラオケ練習にも最適。 【かんたん取り込み】 iPhoneのファイルアプリからmp3・m4a・wavを かんたんに取り込んで再生できます。 【こんな方におすすめ】 音楽をおしゃれに楽しみたい方 レトロなデザインが好きな方 サウンドにこだわりたい方 カラオケの練習をしたい方
Screenshots
Verdict
The clearest difference is in-app purchases: iGrooveMuse at none against M2DX's 1. M2DX's advantage is ads (none vs shown) and update cadence (every 2 days vs every 6 weeks). On price 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
Both are free to download. M2DX sells 1 one-off in-app purchase. iGrooveMuse asks for nothing beyond the download.
M2DX ships an update every 2 days, iGrooveMuse every 6 weeks. The most recent releases landed on October 8, 2026 and October 14, 2026 respectively.
| Parameter | M2DX | iGrooveMuse |
|---|---|---|
| Price | Free | Free |
| Rating | 3.7 (3 ratings) — better | — |
| Positive reviews | 25.0% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 2 days — better | Every 6 weeks |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free | — |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 18.0 — better | 26.5 |
| Further details — not scored | ||
| Size | 16 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | Hakaru Hirose | Kouki Yoshimoto |
In-app purchases
M2DX
- M2DX Pro Unlock$9.99
iGrooveMuse
No in-app purchases









