# Poseidon Synth vs Moebius Lab

The clearest difference is rating: Moebius Lab at 4.9 against Poseidon Synth's 4.0. Moebius Lab also leads on review sentiment (96% vs 59%). Poseidon Synth's advantage is price ($7.99 vs $9.99) and iOS requirement (12.0 vs 17.0). On ratings volume, update cadence, ads and in-app purchases there is nothing between them.

Poseidon Synth costs $7.99 and Moebius Lab $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Moebius Lab holds the better App Store score, 4.9 against 4.0. Both are backed by a comparable volume of ratings — 33 and 50 respectively. Written reviews point the same way: 59% of Poseidon Synth's written reviews are positive against 96% of Moebius Lab's.

Poseidon Synth ships an update every 4 months, Moebius Lab every 3 months. Both last shipped on October 7, 2026.

## The numbers

| Metric | Poseidon Synth | Moebius Lab |
| --- | --- | --- |
| Price | **$7.99** | $9.99 |
| Rating | [4.0 (33 ratings)](https://appshunter.io/ios/app/poseidon-synth/id1045058006/reviews) | **[4.9 (50 ratings)](https://appshunter.io/ios/app/moebius-lab/id1108915352/reviews)** |
| Number of ratings | 33 | **50** |
| Positive reviews | 58.8% of reviews | **96.2% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | Paid | Paid |
| Size | 328 MB | 29 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Harry Gohs](https://appshunter.io/developer/382428644) | [Amazing Noises](https://appshunter.io/developer/903336421) |

## What reviewers say

### Poseidon Synth

[App page](https://appshunter.io/ios/app/poseidon-synth/id1045058006)

Explore vast sonic landscapes with this advanced synthesizer. It combines analog synthesis with spectral modeling for unique sound design, offering powerful filters, spatialization, and a vast library of presets and sound models.

**Highlights:** Spectral model oscillator, F-Domain Filter with variable slope, Spatializer for stereo movement, Extensive sound browser, Arpeggiator with programmable sequences, Built-in effects suite

**In-app purchases:** none


### Moebius Lab

[App page](https://appshunter.io/ios/app/moebius-lab/id1108915352)

This app is a versatile sound processor offering a synth, sample player, and a wide array of time and spectral effects. It allows for complex sound design through extensive parameter modulation and routing options, with over 200 presets to get you started.

**Highlights:** Multimorphic sound processor, Internal synth with oscillators and filters, Varispeed stereo sample player, 9 time domain effects, 6 spectral effects, Up to 7 IAA slots, Nearly 200 modulators (LFOs)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Poseidon Synth free?

Poseidon Synth costs $7.99, with no in-app purchases.

### Is Moebius Lab free?

Moebius Lab costs $9.99, with no in-app purchases.

### Which has better reviews, Poseidon Synth or Moebius Lab?

Moebius Lab is rated higher. Poseidon Synth averages 4.0 out of 5 from 33 ratings, while Moebius Lab averages 4.9 from 50 ratings.

### Do Poseidon Synth or Moebius Lab have ads?

Neither Poseidon Synth nor Moebius Lab shows ads.

### Which is updated more often, Poseidon Synth or Moebius Lab?

Poseidon Synth ships an update every 4 months, and Moebius Lab every 3 months. Most recently, Poseidon Synth was updated on October 7, 2026 and Moebius Lab on October 7, 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.*