# SpaceTheremin vs PhaseRings

The clearest difference is review sentiment: SpaceTheremin at 100% against PhaseRings's 80%. SpaceTheremin also leads on rating (4.8 vs 4.5) and update cadence (every 2 months vs every 5 months). PhaseRings's advantage is ratings volume (18 vs 4). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SpaceTheremin holds the better App Store score, 4.8 against 4.5. Both are backed by a comparable volume of ratings — 4 and 18 respectively. Written reviews point the same way: 100% of SpaceTheremin's written reviews are positive against 80% of PhaseRings's.

SpaceTheremin ships an update every 2 months, PhaseRings every 5 months. The most recent releases landed on November 6, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | SpaceTheremin | PhaseRings |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (4 ratings)](https://appshunter.io/ios/app/spacetheremin/id884417701/reviews)** | [4.5 (18 ratings)](https://appshunter.io/ios/app/phaserings/id924795988/reviews) |
| Number of ratings | 4 | **18** |
| Positive reviews | **100.0% of reviews** | 80.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 5 months |
| Monetization | Free | Free |
| Size | 6 MB | 6 MB |
| Requires iOS | **6.0** | 16.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [YUKIO ONOZUKA](https://appshunter.io/developer/876684692) | [Charles Martin](https://appshunter.io/developer/560849533) |

## What reviewers say

### SpaceTheremin

[App page](https://appshunter.io/ios/app/spacetheremin/id884417701)

Create unique soundscapes by touching and moving your screen to control pitch and cosmic delay effects. Explore various wave shapes and warp options to craft your sonic experience. This app offers a free version with limited multi-touch and a pro version for an ad-free, expanded experience.

**Highlights:** Touch and move screen for pitch control, Cosmic delay sounds, Multi-touch support (2 free, more in pro), Adjustable delay time and feedback, Multiple wave shapes (Sine, Saw, Square, Triangle, Noise), Warp and Softness controls

**In-app purchases:** none


### PhaseRings

[App page](https://appshunter.io/ios/app/phaserings/id924795988)

Create expressive music with intuitive touch gestures. Explore various sound schemes and generative composition tools to craft unique musical pieces. Supports MIDI and Audiobus for advanced integration.

**Highlights:** Expressive touch gesture music creation, Seven unique sound schemes, Generative composition engine, Customizable pitch compositions, Core MIDI support, AudioBus and Inter-App Audio support

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SpaceTheremin free?

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

### Is PhaseRings free?

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

### Which has better reviews, SpaceTheremin or PhaseRings?

SpaceTheremin is rated higher. SpaceTheremin averages 4.8 out of 5 from 4 ratings, while PhaseRings averages 4.5 from 18 ratings.

### Do SpaceTheremin or PhaseRings have ads?

Neither SpaceTheremin nor PhaseRings shows ads.

### Which is updated more often, SpaceTheremin or PhaseRings?

SpaceTheremin ships an update every 2 months, and PhaseRings every 5 months. Most recently, SpaceTheremin was updated on November 6, 2026 and PhaseRings on November 1, 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.*