# midiOS vs MuseLead Synthesizer

The clearest difference is price: MuseLead Synthesizer at $12.99 against midiOS's $24.99. MuseLead Synthesizer also leads on iOS requirement (18.2 vs 26.0). midiOS's advantage is in-app purchases (none vs 4). On update cadence, ads and device support there is nothing between them.

midiOS costs $24.99 and MuseLead Synthesizer $12.99 up front. MuseLead Synthesizer sells 4 one-off in-app purchases. midiOS asks for nothing beyond the download.

midiOS ships an update every 3 days, MuseLead Synthesizer every 4 days. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | midiOS | MuseLead Synthesizer |
| --- | --- | --- |
| Price | $24.99 | **$12.99** |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/muselead-synthesizer/id6757675843/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 4 days |
| Monetization | — | Free with in-app purchases |
| Size | 341 MB | 143 MB |
| Requires iOS | 26.0 | **18.2** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [jason merrill](https://appshunter.io/developer/1829076241) | [MuseLead](https://appshunter.io/developer/1868205646) |

## What reviewers say

### midiOS

[App page](https://appshunter.io/ios/app/midios/id6755208218)

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

**In-app purchases:** none


### MuseLead Synthesizer

[App page](https://appshunter.io/ios/app/muselead-synthesizer/id6757675843)

Transform your device into a versatile musical instrument. This app offers an expressive multi-touch keyboard, advanced MIDI control, and music theory tools like the Circle of Fifths for creating, practicing, and performing music on the go.

**Highlights:** Expressive multi-touch keyboard, MIDI controller functionality, Circle of Fifths for harmony, Scales and customizable layouts, Audio recording, Music theory exploration

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Flute Preset | $1.99 | one-time |
| Drawbars Organ Preset | $1.99 | one-time |
| Reed-Fusion Preset | $1.99 | one-time |
| Breath & String | $3.99 | one-time |


## Frequently asked questions

### Is midiOS free?

midiOS costs $24.99, with no in-app purchases.

### Is MuseLead Synthesizer free?

MuseLead Synthesizer costs $12.99, and also offers in-app purchases.

### Do midiOS or MuseLead Synthesizer have ads?

Neither midiOS nor MuseLead Synthesizer shows ads.

### Which is updated more often, midiOS or MuseLead Synthesizer?

midiOS ships an update every 3 days, and MuseLead Synthesizer every 4 days. Most recently, midiOS was updated on October 28, 2026 and MuseLead Synthesizer on October 31, 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.*