# Midiflow Splitter (Audiobus) vs Lullaby Button

The clearest difference is price: Lullaby Button at Free against Midiflow Splitter (Audiobus)'s $2.99. Lullaby Button also leads on rating (4.0 vs 3.4) and update cadence (every 9 days vs every 11 months). Midiflow Splitter (Audiobus)'s advantage is in-app purchases (none vs 2) and ratings volume (10 vs 1). On ads and device support there is nothing between them.

Lullaby Button is free to download; Midiflow Splitter (Audiobus) costs $2.99 up front. Lullaby Button sells 2 in-app purchases, starting at $0.99 per month. Midiflow Splitter (Audiobus) asks for nothing beyond the download.

Lullaby Button holds the better App Store score, 4.0 against 3.4. That said, the two scores are not equally well evidenced: Midiflow Splitter (Audiobus) has 10 ratings behind it against 1, so its average is the more settled of the two.

Midiflow Splitter (Audiobus) ships an update every 11 months, Lullaby Button every 9 days. The most recent releases landed on October 21, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Midiflow Splitter (Audiobus) | Lullaby Button |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [3.4 (10 ratings)](https://appshunter.io/ios/app/midiflow-splitter-audiobus/id1104669188/reviews) | **[4.0 (1 ratings)](https://appshunter.io/ios/app/lullaby-button/id6759444161/reviews)** |
| Number of ratings | **10** | 1 |
| Positive reviews | 31.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 9 days** |
| Monetization | Paid | **Freemium** |
| Size | 5 MB | 152 MB |
| Requires iOS | **10.2** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Johannes Doerr](https://appshunter.io/developer/622204117) | [OSMAN MURAT TUGSUZ](https://appshunter.io/developer/1878623227) |

## What reviewers say

### Midiflow Splitter (Audiobus)

[App page](https://appshunter.io/ios/app/midiflow-splitter-audiobus/id1104669188)

This MIDI effect app allows musicians to divide their external keyboard into multiple zones, assigning each zone to different synth apps. It offers powerful configuration options for split and layer setups, including octave transposition and controller assignment per synth.

**Highlights:** Create split and layer configurations, Assign key zones to synth apps, Transpose each synth app in octaves, Control active controllers per synth, Solo individual synth sounds, Supports multiple keyboards

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

**In-app purchases:** none


### Lullaby Button

[App page](https://appshunter.io/ios/app/lullaby-button/id6759444161)

This app provides soothing lullaby music to help babies relax and fall asleep quickly. It features a simple, distraction-free interface with calming melodies designed for a peaceful bedtime atmosphere. A free trial is available for premium features.

**Highlights:** One-tap lullaby playback, Calming bedtime atmosphere, Minimalist, distraction-free design, Continuous background music (premium), Unlimited playback (premium), Regular updates (premium)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lullaby Button Premium | $0.99 | per month |
| Lullaby Button Premium | $4.99 | per year |


## Frequently asked questions

### Is Midiflow Splitter (Audiobus) free?

Midiflow Splitter (Audiobus) costs $2.99, with no in-app purchases.

### Is Lullaby Button free?

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

### Which has better reviews, Midiflow Splitter (Audiobus) or Lullaby Button?

Lullaby Button is rated higher. Midiflow Splitter (Audiobus) averages 3.4 out of 5 from 10 ratings, while Lullaby Button averages 4.0 from 1 ratings.

### Do Midiflow Splitter (Audiobus) or Lullaby Button have ads?

Neither Midiflow Splitter (Audiobus) nor Lullaby Button shows ads.

### Which is updated more often, Midiflow Splitter (Audiobus) or Lullaby Button?

Midiflow Splitter (Audiobus) ships an update every 11 months, and Lullaby Button every 9 days. Most recently, Midiflow Splitter (Audiobus) was updated on October 21, 2026 and Lullaby Button on October 28, 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.*