# SP6 Sound Editor vs Legend '70s Editor

SP6 Sound Editor and Legend '70s Editor are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SP6 Sound Editor ships an update every 5 months, Legend '70s Editor every 3 months. The most recent releases landed on September 10, 2026 and June 9, 2026 respectively.

## The numbers

| Metric | SP6 Sound Editor | Legend '70s Editor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/legend-70s-editor/id1484372501/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 months** |
| Monetization | — | Free |
| Size | 35 MB | 9 MB |
| Requires iOS | **8.0** | 9.2 |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [SoundTower Inc.](https://appshunter.io/developer/757478129) | [Viscount Int.](https://appshunter.io/developer/1448876631) |

## What reviewers say

### SP6 Sound Editor

[App page](https://appshunter.io/ios/app/sp6-sound-editor/id1386180420)

**In-app purchases:** none


### Legend '70s Editor

[App page](https://appshunter.io/ios/app/legend-70s-editor/id1484372501)

This application provides real-time control over sound and effects for a specific instrument series. It allows users to adjust parameters, save and load custom programs, and create song lists for live performances. The interface is designed to be simple and adaptable.

**Highlights:** Real-time sound parameter adjustment, Real-time effects parameter adjustment, Save and load custom instrument programs, Create and rearrange song lists, Dedicated live performance settings, Adaptable user interface

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is SP6 Sound Editor free?

SP6 Sound Editor is free to download, with no in-app purchases.

### Is Legend '70s Editor free?

Legend '70s Editor is free to download, with no in-app purchases.

### Do SP6 Sound Editor or Legend '70s Editor have ads?

Neither SP6 Sound Editor nor Legend '70s Editor shows ads.

### Which is updated more often, SP6 Sound Editor or Legend '70s Editor?

SP6 Sound Editor ships an update every 5 months, and Legend '70s Editor every 3 months. Most recently, SP6 Sound Editor was updated on September 10, 2026 and Legend '70s Editor on June 9, 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.*