# Midiflow vs iSoundBank

The clearest difference is rating: Midiflow at 4.0 against iSoundBank's 3.0. Midiflow also leads on update cadence (every 5 weeks vs every 8 months) and review sentiment (59% vs 46%). iSoundBank's advantage is in-app purchases (none vs 3) and price ($0.99 vs $7.99). On ads and device support there is nothing between them.

Midiflow costs $7.99 and iSoundBank $0.99 up front. Midiflow sells 3 one-off in-app purchases. iSoundBank asks for nothing beyond the download.

Midiflow holds the better App Store score, 4.0 against 3.0. That said, the two scores are not equally well evidenced: Midiflow has 39 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 59% of Midiflow's written reviews are positive against 46% of iSoundBank's.

Midiflow ships an update every 5 weeks, iSoundBank every 8 months. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Midiflow | iSoundBank |
| --- | --- | --- |
| Price | $7.99 | **$0.99** |
| Rating | **[4.0 (39 ratings)](https://appshunter.io/ios/app/midiflow/id879915554/reviews)** | [3.0 (5 ratings)](https://appshunter.io/ios/app/isoundbank/id1240044349/reviews) |
| Number of ratings | **39** | 5 |
| Positive reviews | **58.8% of reviews** | 46.2% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 8 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 4 MB | 12 MB |
| Requires iOS | **9.0** | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Johannes Doerr](https://appshunter.io/developer/622204117) | [Supertintin Co., Ltd](https://appshunter.io/developer/345365970) |

## 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


### iSoundBank

[App page](https://appshunter.io/ios/app/isoundbank/id1240044349)

This app allows users to play sound bank files in SF2 and DLS formats. It includes a built-in General MIDI sound bank and supports importing and sharing these audio files. MIDI input is also available from external devices or virtual sources.

**Highlights:** SF2 and DLS sound bank playback, Built-in General MIDI sound bank, Import and share SF2/DLS files, MIDI In support (Core MIDI/virtual), iPhone, iPad, and iPod compatible

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

**In-app purchases:** none


## Frequently asked questions

### Is Midiflow free?

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

### Is iSoundBank free?

iSoundBank costs $0.99, with no in-app purchases.

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

Midiflow is rated higher. Midiflow averages 4.0 out of 5 from 39 ratings, while iSoundBank averages 3.0 from 5 ratings.

### Do Midiflow or iSoundBank have ads?

Neither Midiflow nor iSoundBank shows ads.

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

Midiflow ships an update every 5 weeks, and iSoundBank every 8 months. Most recently, Midiflow was updated on October 29, 2026 and iSoundBank on October 24, 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.*