# Quarked vs Seyfert

The clearest difference is price: Seyfert at $1.99 against Quarked's $14.99. Seyfert also leads on update cadence (every 2 days vs every 8 days). Quarked's advantage is iOS requirement (13.0 vs 15.0). On ads, in-app purchases and device support there is nothing between them.

Quarked costs $14.99 and Seyfert $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Quarked ships an update every 8 days, Seyfert every 2 days. The most recent releases landed on September 22, 2026 and September 1, 2026 respectively.

## The numbers

| Metric | Quarked | Seyfert |
| --- | --- | --- |
| Price | $14.99 | **$1.99** |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/seyfert/id6794878287/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 days | **Every 2 days** |
| Monetization | — | Paid |
| Size | 23 MB | 3 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Syam Anand](https://appshunter.io/developer/1790735084) | [Konstantin Torsten Schutz](https://appshunter.io/developer/6778600016) |

## What reviewers say

### Quarked

[App page](https://appshunter.io/ios/app/quarked-granular-synth/id6765482136)

**Features:** macOS Compatibility, 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 Quarked free?

Quarked costs $14.99, with no in-app purchases.

### Is Seyfert free?

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

### Do Quarked or Seyfert have ads?

Neither Quarked nor Seyfert shows ads.

### Which is updated more often, Quarked or Seyfert?

Quarked ships an update every 8 days, and Seyfert every 2 days. Most recently, Quarked was updated on September 22, 2026 and Seyfert on September 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.*