# MESA Synth AUv3 vs Seyfert

The clearest difference is rating: Seyfert at 5.0 against MESA Synth AUv3's 3.0. Seyfert also leads on price ($1.99 vs $8.99) and update cadence (every 2 days vs every 2 months). On review sentiment, ratings volume, ads and in-app purchases there is nothing between them.

MESA Synth AUv3 costs $8.99 and Seyfert $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Seyfert holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 3 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

MESA Synth AUv3 ships an update every 2 months, Seyfert every 2 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | MESA Synth AUv3 | Seyfert |
| --- | --- | --- |
| Price | $8.99 | **$1.99** |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/mesa-synth-auv3/id6784279560/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/seyfert/id6794878287/reviews)** |
| Number of ratings | 2 | **3** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | Paid | Paid |
| Size | 10 MB | 3 MB |
| Requires iOS | 18.4 | **15.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Juan Maguid](https://appshunter.io/developer/1680114440) | [Konstantin Torsten Schutz](https://appshunter.io/developer/6778600016) |

## What reviewers say

### MESA Synth AUv3

[App page](https://appshunter.io/ios/app/mesa-synth-auv3/id6784279560)

This music creation tool transforms visuals into sound by rendering shaders and images into wavetables. It offers a powerful synthesis engine, extensive sound-shaping capabilities, and a full effects rack, all controllable through light and visual input.

**Highlights:** Visual-to-audio wavetable synthesis, Unison oscillator stack with sub-oscillator, Zero-delay-feedback filter, Vision panel for sound shaping with light, 26 stackable visual modifiers as audio effects, 8-stage stereo FX rack, Sampler mode with auto pitch-tracking

**Features:** Vision Pro support

**In-app purchases:** none


### Seyfert

[App page](https://appshunter.io/ios/app/seyfert/id6794878287)

This music effect plugin creates unique echoes that orbit and revolve around the listener. It offers advanced control over pitch, depth, and tone for each echo, with a built-in reverb and EQ for a rich soundscape. It functions as a standalone app or an Audio Unit for music production software.

**Highlights:** Orbital echo generation, Spin and Doppler pitch-bend effects, 3D binaural imaging, Octave shimmer and transpose, Per-echo tone and drive, Echo-focused reverb and EQ, Standalone and AUv3 support

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

**In-app purchases:** none


## Frequently asked questions

### Is MESA Synth AUv3 free?

MESA Synth AUv3 costs $8.99, with no in-app purchases.

### Is Seyfert free?

Seyfert costs $1.99, with no in-app purchases.

### Which has better reviews, MESA Synth AUv3 or Seyfert?

Seyfert is rated higher. MESA Synth AUv3 averages 3.0 out of 5 from 2 ratings, while Seyfert averages 5.0 from 3 ratings.

### Do MESA Synth AUv3 or Seyfert have ads?

Neither MESA Synth AUv3 nor Seyfert shows ads.

### Which is updated more often, MESA Synth AUv3 or Seyfert?

MESA Synth AUv3 ships an update every 2 months, and Seyfert every 2 days. Most recently, MESA Synth AUv3 was updated on October 24, 2026 and Seyfert on October 24, 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.*