# Midiflow vs FuncBud Math Sequencer & Synth

The clearest difference is rating: FuncBud Math Sequencer & Synth at 4.9 against Midiflow's 4.0. FuncBud Math Sequencer & Synth also leads on in-app purchases (none vs 3) and update cadence (every 5 days vs every 5 weeks). Midiflow's advantage is ratings volume (39 vs 7) and iOS requirement (9.0 vs 13.0). On review sentiment, ads and device support there is nothing between them.

Midiflow costs $7.99 and FuncBud Math Sequencer & Synth $3.99 up front. Midiflow sells 3 one-off in-app purchases. FuncBud Math Sequencer & Synth asks for nothing beyond the download.

FuncBud Math Sequencer & Synth holds the better App Store score, 4.9 against 4.0. That said, the two scores are not equally well evidenced: Midiflow has 39 ratings behind it against 7, 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 67% of FuncBud Math Sequencer & Synth's.

Midiflow ships an update every 5 weeks, FuncBud Math Sequencer & Synth every 5 days. Both last shipped on September 21, 2026.

## The numbers

| Metric | Midiflow | FuncBud Math Sequencer & Synth |
| --- | --- | --- |
| Price | $7.99 | **$3.99** |
| Rating | [4.0 (39 ratings)](https://appshunter.io/ios/app/midiflow/id879915554/reviews) | **[4.9 (7 ratings)](https://appshunter.io/ios/app/funcbud-math-sequencer-and-synth/id6502771916/reviews)** |
| Number of ratings | **39** | 7 |
| Positive reviews | 58.8% of reviews | **66.7% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 5 days** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 4 MB | 14 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Johannes Doerr](https://appshunter.io/developer/622204117) | [Cem Olcay](https://appshunter.io/developer/523633853) |

## 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


### FuncBud Math Sequencer & Synth

[App page](https://appshunter.io/ios/app/funcbud-math-sequencer-and-synth/id6502771916)

Generate musical sequences using mathematical functions. Build and chain formulas to create complex, evolving melodies within a chosen key and scale. Offers conditional logic and random generation for unique musical patterns.

**Highlights:** Mathematical function builder, Sequence chaining and repetition, Conditional and random functions, Key, scale, and octave control, Adjustable sequencer parameters, MIDI output, AUv3 plugin support

**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 FuncBud Math Sequencer & Synth free?

FuncBud Math Sequencer & Synth costs $3.99, with no in-app purchases.

### Which has better reviews, Midiflow or FuncBud Math Sequencer & Synth?

FuncBud Math Sequencer & Synth is rated higher. Midiflow averages 4.0 out of 5 from 39 ratings, while FuncBud Math Sequencer & Synth averages 4.9 from 7 ratings.

### Do Midiflow or FuncBud Math Sequencer & Synth have ads?

Neither Midiflow nor FuncBud Math Sequencer & Synth shows ads.

### Which is updated more often, Midiflow or FuncBud Math Sequencer & Synth?

Midiflow ships an update every 5 weeks, and FuncBud Math Sequencer & Synth every 5 days. Most recently, Midiflow was updated on September 21, 2026 and FuncBud Math Sequencer & Synth on September 21, 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.*