# Seyfert vs Nocturne LoFi

The clearest difference is review sentiment: Seyfert at 100% against Nocturne LoFi's 33%. Seyfert also leads on rating (5.0 vs 3.7) and iOS requirement (15.0 vs 17.0). On price, ratings volume, update cadence and ads there is nothing between them.

Seyfert costs $1.99 and Nocturne LoFi $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 3.7. Both are backed by a comparable volume of ratings — 3 and 3 respectively. Written reviews point the same way: 100% of Seyfert's written reviews are positive against 33% of Nocturne LoFi's.

Both ship on a similar rhythm, roughly every 2 days. The most recent releases landed on October 24, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Seyfert | Nocturne LoFi |
| --- | --- | --- |
| Price | $1.99 | $1.99 |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/seyfert/id6794878287/reviews)** | [3.7 (3 ratings)](https://appshunter.io/ios/app/nocturne-lofi/id6795224673/reviews) |
| Number of ratings | 3 | 3 |
| Positive reviews | **100.0% of reviews** | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 days | Every 2 days |
| Monetization | Paid | Paid |
| Size | 3 MB | 114 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Konstantin Torsten Schutz](https://appshunter.io/developer/6778600016) | [宁 徐](https://appshunter.io/developer/1879657969) |

## What reviewers say

### 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


### Nocturne LoFi

[App page](https://appshunter.io/ios/app/nocturne-lofi/id6795224673)

Create personalized soundscapes for focus, relaxation, or sleep with generative music. Explore diverse immersive worlds and customize your audio experience with real-time controls. Save and share your creations, or use it as an instrument for music production.

**Highlights:** Generative real-time music mixing, Immersive sound worlds with distinct identities, Customizable mood, rhythm, and tone controls, Focus timer and sleep fade functionality, Background playback and system controls, Save and sync custom sound combinations, Export audio as M4A files, AUv3 instrument extension for music creators

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

**In-app purchases:** none


## Frequently asked questions

### Is Seyfert free?

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

### Is Nocturne LoFi free?

Nocturne LoFi costs $1.99, with no in-app purchases.

### Which has better reviews, Seyfert or Nocturne LoFi?

Seyfert is rated higher. Seyfert averages 5.0 out of 5 from 3 ratings, while Nocturne LoFi averages 3.7 from 3 ratings.

### Do Seyfert or Nocturne LoFi have ads?

Neither Seyfert nor Nocturne LoFi shows ads.

### Which is updated more often, Seyfert or Nocturne LoFi?

Seyfert ships an update every 2 days, and Nocturne LoFi every 2 days. Most recently, Seyfert was updated on October 24, 2026 and Nocturne LoFi on October 29, 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.*