# SGA Eclipse vs SL Knock

The clearest difference is price: SL Knock at $6.99 against SGA Eclipse's $24.99. SL Knock also leads on update cadence (weekly vs every 6 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

SGA Eclipse costs $24.99 and SL Knock $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.

SGA Eclipse ships an update every 6 months, SL Knock weekly. The most recent releases landed on October 12, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | SGA Eclipse | SL Knock |
| --- | --- | --- |
| Price | $24.99 | **$6.99** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sga-eclipse/id6479641533/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Weekly** |
| Monetization | Paid | — |
| Size | 49 MB | 28 MB |
| Requires iOS | 15.8 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shattered Glass Audio](https://appshunter.io/developer/1565520347) | [VIACHESLAV ZHILTSOV](https://appshunter.io/developer/1862005860) |

## What reviewers say

### SGA Eclipse

[App page](https://appshunter.io/ios/app/sga-eclipse/id6479641533)

This app offers authentic analog amplifier sounds for digital audio workstations. It simulates six different analog circuits, including vacuum tubes and transistors, to provide a range of saturation and distortion effects. It can be used as a standalone effect or in conjunction with other plugins to create full amp simulations.

**Highlights:** Authentic analog sound simulation, Six distinct analog circuits, Vacuum tube and transistor emulation, Variable bias and feedback controls, Automatic 4x oversampling, AUv3 effect plugin

**In-app purchases:** none


### SL Knock

[App page](https://appshunter.io/ios/app/sl-knock/id6797349065)

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

**In-app purchases:** none


## Frequently asked questions

### Is SGA Eclipse free?

SGA Eclipse costs $24.99, with no in-app purchases.

### Is SL Knock free?

SL Knock costs $6.99, with no in-app purchases.

### Do SGA Eclipse or SL Knock have ads?

Neither SGA Eclipse nor SL Knock shows ads.

### Which is updated more often, SGA Eclipse or SL Knock?

SGA Eclipse ships an update every 6 months, and SL Knock weekly. Most recently, SGA Eclipse was updated on October 12, 2026 and SL Knock on October 16, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*