# Midiflow vs OMB

The clearest difference is price: OMB at Free against Midiflow's $7.99. OMB also leads on in-app purchases (none vs 3) and update cadence (every 6 days vs every 5 weeks). Midiflow's advantage is rating (4.0 vs 3.5) and review sentiment (59% vs 33%). On ratings volume, ads, device support and iOS requirement there is nothing between them.

OMB is free to download; Midiflow costs $7.99 up front. Midiflow sells 3 one-off in-app purchases. OMB asks for nothing beyond the download.

Midiflow holds the better App Store score, 4.0 against 3.5. Both are backed by a comparable volume of ratings — 39 and 18 respectively. Written reviews point the same way: 59% of Midiflow's written reviews are positive against 33% of OMB's.

Midiflow ships an update every 5 weeks, OMB every 6 days. The most recent releases landed on September 30, 2026 and July 7, 2026 respectively.

## The numbers

| Metric | Midiflow | OMB |
| --- | --- | --- |
| Price | $7.99 | **Free** |
| Rating | **[4.0 (39 ratings)](https://appshunter.io/ios/app/midiflow/id879915554/reviews)** | [3.5 (18 ratings)](https://appshunter.io/ios/app/omb/id1440465420/reviews) |
| Number of ratings | **39** | 18 |
| Positive reviews | **58.8% of reviews** | 33.3% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 6 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 4 MB | 74 MB |
| Requires iOS | **9.0** | 10.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Johannes Doerr](https://appshunter.io/developer/622204117) | [OMB](https://appshunter.io/developer/1440465419) |

## What reviewers say

### Midiflow

[App page](https://appshunter.io/ios/app/midiflow/id879915554)

This app enables seamless MIDI data transfer between different applications on your device. It allows for app synchronization, routing MIDI from sequencers to synths, and assigning keyboard zones. Users can save and recall configurations, and monitor MIDI activity.

**Highlights:** App-to-app MIDI routing, MIDI clock synchronization, Channel filtering and remapping, Note and velocity manipulation, Custom virtual MIDI ports, Preset saving and recall, Controller filtering and remapping (in-app purchase)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Send Controller On Load | $1.99 | one-time |
| Controller Conditions | $2.99 | one-time |
| Controller Remapping | $3.99 | one-time |

**What reviewers like**

- 👍 Comprehensive MIDI routing
- 💡 Flexible MIDI manipulation
- 🚀 Powerful functionality
- ✨ Intuitive interface (for some)
- ✅ Works in background

**What reviewers complain about**

- 🐛 Frequent crashes
- 🐛 App doesn't open
- 🐛 App closes immediately
- 🐛 Bugs and quirks
- 🐛 Unreliable for live use

**Reported bugs**

- Frequent crashes while editing CC map
- Mapped CCs dropped during performance
- App does not open on iOS 10
- Layout issues on iPhone 11 (no 'Done' button)
- App stops working, opens for 2 seconds then closes

**Requested features**

- AUv3 plugin version
- Mass sharing of songs
- Dark mode
- Ability to map multiple notes from one key press
- Individual transpose for split zones


### OMB

[App page](https://appshunter.io/ios/app/omb/id1440465420)

This music app allows users to add auto accompaniment with various styles and tempos, play solo with a selection of instruments, and view chords. It offers hands-free control and recording capabilities for a unique playing experience.

**Highlights:** Auto accompaniment with style and tempo selection, Downloadable styles from online store, Play solo with a wide selection of instruments, Displays chords being played, Records user performances, Hands-free control with foot pedal

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Midiflow free?

Midiflow costs $7.99, and also offers in-app purchases.

### Is OMB free?

OMB is free to download, with no in-app purchases.

### Which has better reviews, Midiflow or OMB?

Midiflow is rated higher. Midiflow averages 4.0 out of 5 from 39 ratings, while OMB averages 3.5 from 18 ratings.

### Do Midiflow or OMB have ads?

Neither Midiflow nor OMB shows ads.

### Which is updated more often, Midiflow or OMB?

Midiflow ships an update every 5 weeks, and OMB every 6 days. Most recently, Midiflow was updated on September 30, 2026 and OMB on July 7, 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.*