# SpaceFields vs 4i Player

The clearest difference is price: 4i Player at Free against SpaceFields's $10.99. 4i Player also leads on update cadence (every 9 days vs every 2 months). SpaceFields's advantage is iOS requirement (13.4 vs 15.1). On ads, in-app purchases and device support there is nothing between them.

4i Player is free to download; SpaceFields costs $10.99 up front. Neither carries in-app purchases, so what you see is what you pay.

SpaceFields ships an update every 2 months, 4i Player every 9 days. The most recent releases landed on October 9, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | SpaceFields | 4i Player |
| --- | --- | --- |
| Price | $10.99 | **Free** |
| Rating | **[4.7 (47 ratings)](https://appshunter.io/ios/app/spacefields/id1596872812/reviews)** | — |
| Number of ratings | **47** | — |
| Positive reviews | 90.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 9 days** |
| Monetization | Paid | — |
| Size | 132 MB | 37 MB |
| Requires iOS | **13.4** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Igor Vasiliev](https://appshunter.io/developer/424401626) | [Niels Brinch](https://appshunter.io/developer/1437538252) |

## What reviewers say

### SpaceFields

[App page](https://appshunter.io/ios/app/spacefields/id1596872812)

Create evolving rhythmic soundscapes from any audio source. This app uses a loop-based system with dual loops, pitch shifting, and effects to generate ambient textures and rhythmic structures. Experiment with complex sound design using intuitive controls and randomization.

**Highlights:** Loop-based sound mangling, Dual loop recorder, Pitch shifting and effects, Convolution reverb with deep spaces, Rhythmic structure generation, Automation generators with randomization, Live and sample processing modes

**Features:** macOS Compatibility

**In-app purchases:** none


### 4i Player

[App page](https://appshunter.io/ios/app/4i-player/id6785224189)

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

**In-app purchases:** none


## Frequently asked questions

### Is SpaceFields free?

SpaceFields costs $10.99, with no in-app purchases.

### Is 4i Player free?

4i Player is free to download, with no in-app purchases.

### Do SpaceFields or 4i Player have ads?

Neither SpaceFields nor 4i Player shows ads.

### Which is updated more often, SpaceFields or 4i Player?

SpaceFields ships an update every 2 months, and 4i Player every 9 days. Most recently, SpaceFields was updated on October 9, 2026 and 4i Player on September 30, 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.*