# DXi FM synthesizer vs M2DX

The clearest difference is review sentiment: DXi FM synthesizer at 88% against M2DX's 25%. DXi FM synthesizer also leads on in-app purchases (none vs 1) and rating (4.3 vs 4.0). M2DX's advantage is price (Free vs $1.99) and update cadence (every 2 days vs every 2 months). On ads there is nothing between them.

M2DX is free to download; DXi FM synthesizer costs $1.99 up front. M2DX sells 1 one-off in-app purchase. DXi FM synthesizer asks for nothing beyond the download.

DXi FM synthesizer holds the better App Store score, 4.3 against 4.0. Both are backed by a comparable volume of ratings — 19 and 4 respectively. Written reviews point the same way: 88% of DXi FM synthesizer's written reviews are positive against 25% of M2DX's.

DXi FM synthesizer ships an update every 2 months, M2DX every 2 days. The most recent releases landed on November 6, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | DXi FM synthesizer | M2DX |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[4.3 (19 ratings)](https://appshunter.io/ios/app/dxi-fm-synthesizer/id370138065/reviews)** | [4.0 (4 ratings)](https://appshunter.io/ios/app/m2dx/id6763840208/reviews) |
| Number of ratings | **19** | 4 |
| Positive reviews | **87.6% of reviews** | 25.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | Paid | **Free** |
| Size | 5 MB | 16 MB |
| Requires iOS | **8.4** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Takashi Mizuhiki](https://appshunter.io/developer/370138068) | [Hakaru Hirose](https://appshunter.io/developer/1866507020) |

## What reviewers say

### DXi FM synthesizer

[App page](https://appshunter.io/ios/app/dxi-fm-synthesizer/id370138065)

Create unique sounds and music with this FM synthesizer app inspired by 80s hardware. Explore a variety of parameters to craft special tones and effects, and even record your creations. Includes a bonus 16-step loop sequencer for added musical exploration.

**Highlights:** 4 operator FM synthesis, 8 algorithms, Adjustable operator parameters, Master LPF and Delay effects, 16-step loop sequencer, Audio recording and export, MIDI keyboard support

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### M2DX

[App page](https://appshunter.io/ios/app/m2dx/id6763840208)

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:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| M2DX Pro Unlock | $9.99 | one-time |


## Frequently asked questions

### Is DXi FM synthesizer free?

DXi FM synthesizer costs $1.99, with no in-app purchases.

### Is M2DX free?

M2DX is free to download, with in-app purchases available.

### Which has better reviews, DXi FM synthesizer or M2DX?

DXi FM synthesizer is rated higher. DXi FM synthesizer averages 4.3 out of 5 from 19 ratings, while M2DX averages 4.0 from 4 ratings.

### Do DXi FM synthesizer or M2DX have ads?

Neither DXi FM synthesizer nor M2DX shows ads.

### Which is updated more often, DXi FM synthesizer or M2DX?

DXi FM synthesizer ships an update every 2 months, and M2DX every 2 days. Most recently, DXi FM synthesizer was updated on November 6, 2026 and M2DX on November 5, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*