# StepLoom vs Seyfert

The clearest difference is price: Seyfert at $1.99 against StepLoom's $3.99. Seyfert also leads on iOS requirement (15.0 vs 17.0). On rating, review sentiment, ratings volume and update cadence there is nothing between them.

StepLoom costs $3.99 and Seyfert $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for StepLoom against 5.0 for Seyfert. Both are backed by a comparable volume of ratings — 2 and 2 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Both ship on a similar rhythm, roughly every 2 days. The most recent releases landed on October 11, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | StepLoom | Seyfert |
| --- | --- | --- |
| Price | $3.99 | **$1.99** |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/steploom/id6788307376/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/seyfert/id6794878287/reviews) |
| Number of ratings | 2 | 2 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 days | Every 2 days |
| Monetization | Paid | Paid |
| Size | 11 MB | 3 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [宁 徐](https://appshunter.io/developer/1879657969) | [Konstantin Torsten Schutz](https://appshunter.io/developer/6778600016) |

## What reviewers say

### StepLoom

[App page](https://appshunter.io/ios/app/steploom/id6788307376)

Create electronic music with a touch-friendly groovebox. Quickly sketch beats, basslines, and melodies using a step sequencer, piano-roll editing, and arrangement views. Supports AUv3 plugins for expanded sound design.

**Highlights:** Touch-friendly beat and melody workflow, Step sequencer and piano-roll editing, Timeline, Session, and Flow arrangement views, AUv3 instrument and effect plugin support, Mixer controls for sound shaping, MIDI input and external clock sync, Export audio, stems, or MIDI

**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 StepLoom free?

StepLoom costs $3.99, with no in-app purchases.

### Is Seyfert free?

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

### Which has better reviews, StepLoom or Seyfert?

StepLoom and Seyfert are both rated 5.0 out of 5 on the App Store, from 2 and 2 ratings respectively.

### Do StepLoom or Seyfert have ads?

Neither StepLoom nor Seyfert shows ads.

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

StepLoom ships an update every 2 days, and Seyfert every 2 days. Most recently, StepLoom was updated on October 11, 2026 and Seyfert on October 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.*