# Hearing Space vs MIDI World

The clearest difference is price: Hearing Space at Free against MIDI World's $0.99. Hearing Space also leads on rating (4.7 vs 2.0) and update cadence (every 4 days vs every 7 months). On ads, in-app purchases and device support there is nothing between them.

Hearing Space is free to download; MIDI World costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Hearing Space holds the better App Store score, 4.7 against 2.0. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

Hearing Space ships an update every 4 days, MIDI World every 7 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Hearing Space | MIDI World |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.7 (3 ratings)](https://appshunter.io/ios/app/hearing-space-time/id6758031265/reviews)** | [2.0 (1 ratings)](https://appshunter.io/ios/app/midi-world/id6761638710/reviews) |
| Number of ratings | **3** | 1 |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 7 months |
| Monetization | **Free** | Paid |
| Size | 261 MB | 14 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jing Dong](https://appshunter.io/developer/1563297410) | [Los Palmos](https://appshunter.io/developer/1889993325) |

## What reviewers say

### Hearing Space

[App page](https://appshunter.io/ios/app/hearing-space-time/id6758031265)

This experimental art application uses AI and machine vision to analyze images, inferring spatial depth and structure. It then transforms these spatial relationships into interactive soundscapes, allowing users to explore a non-human model of space through touch. The app treats your device as a perceptual instrument to reveal AI's internal logic.

**Highlights:** AI-based image analysis, Machine vision for spatial inference, Interactive sound generation, Touch-based sonic exploration, Perceptual instrument interface, Artistic and exploratory experience

**Features:** macOS Compatibility

**In-app purchases:** none


### MIDI World

[App page](https://appshunter.io/ios/app/midi-world/id6761638710)

Transform device sensors and real-world data into MIDI control and musical notes. Create multitrack recordings, adjust performances with per-track controls, and export to any DAW. Connect environmental data to your music.

**Highlights:** Sensor-to-MIDI mapping, Real-world data integration, Multitrack recording, Per-track performance controls, Standard MIDI File export, Optional audio export, Preset and theme customization

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

**In-app purchases:** none


## Frequently asked questions

### Is Hearing Space free?

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

### Is MIDI World free?

MIDI World costs $0.99, with no in-app purchases.

### Which has better reviews, Hearing Space or MIDI World?

Hearing Space is rated higher. Hearing Space averages 4.7 out of 5 from 3 ratings, while MIDI World averages 2.0 from 1 ratings.

### Do Hearing Space or MIDI World have ads?

Neither Hearing Space nor MIDI World shows ads.

### Which is updated more often, Hearing Space or MIDI World?

Hearing Space ships an update every 4 days, and MIDI World every 7 months. Most recently, Hearing Space was updated on October 24, 2026 and MIDI World on October 25, 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.*