# SpaceTheremin vs TriplexClassic

The clearest difference is update cadence: TriplexClassic at every 5 days against SpaceTheremin's every 2 months. TriplexClassic also leads on rating (5.0 vs 4.8) and ratings volume (15 vs 4). SpaceTheremin's advantage is iOS requirement (6.0 vs 14). On price, review sentiment, ads and in-app purchases there is nothing between them.

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

TriplexClassic holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 4 and 15 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

SpaceTheremin ships an update every 2 months, TriplexClassic every 5 days. The most recent releases landed on September 18, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | SpaceTheremin | TriplexClassic |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (4 ratings)](https://appshunter.io/ios/app/spacetheremin/id884417701/reviews) | **[5.0 (15 ratings)](https://appshunter.io/ios/app/triplexclassic/id6444733628/reviews)** |
| Number of ratings | 4 | **15** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Monetization | Free | Free |
| Size | 6 MB | 2 MB |
| Requires iOS | **6.0** | 14 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [YUKIO ONOZUKA](https://appshunter.io/developer/876684692) | [Christopher Herb](https://appshunter.io/developer/1656508786) |

## 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


### TriplexClassic

[App page](https://appshunter.io/ios/app/triplexclassic/id6444733628)

This application offers a classic FM synthesizer experience with a modern interface. It allows for a wide range of sounds, from clean to distorted, with six specialized macro controls for easy sound shaping. An LFO and drive control further enhance its sound design capabilities.

**Highlights:** 3 operator FM synth engine, Up to 8 voices, 6 specialized macro controls, LFO with shape control, Drive control, Modern, accessible interface

**In-app purchases:** none


## Frequently asked questions

### Is SpaceTheremin free?

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

### Is TriplexClassic free?

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

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

TriplexClassic is rated higher. SpaceTheremin averages 4.8 out of 5 from 4 ratings, while TriplexClassic averages 5.0 from 15 ratings.

### Do SpaceTheremin or TriplexClassic have ads?

Neither SpaceTheremin nor TriplexClassic shows ads.

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

SpaceTheremin ships an update every 2 months, and TriplexClassic every 5 days. Most recently, SpaceTheremin was updated on September 18, 2026 and TriplexClassic 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.*