Comparison

PC3K Sound Editor vs Legend '70s Editor

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

PC3K Sound Editor

This tool allows for the editing and manipulation of sound programs and setups for the Kurzweil PC3K synthesizer. It offers real-time parameter adjustments, layer management, and data transfer capabilities directly from an iPad.

Highlights
  • Program Channel Mixer
  • Program Common parameter editing
  • Program Layer manipulation
  • MIDI Continuous Controller tools
  • Real-time Setup Mode parameter editing
  • Import Setup Zones
  • Transmit and receive data
Read full description

PC3K Sound Editor is a Sound Development tool created specifically for Kurzweil PC3K keyboard/synthesizer. It requires a Kurzweil PC3K keyboard.   Some of PC3K Editor's features now include:   •Program Channel Mixer •Editing of Program Common parameters including Insert and Aux FX selectors •Basic Program Layer manipulation. Copy and paste of Layers from other PC3K Programs •MIDI Continuous Controller tools and Program Info display •Real time editing of all PC3K Setup Mode parameters •Import of Setup Zones from other PC3K Setups •Transmitting and receiving of Programs, Setups, FX Chains and other objects data •On-screen keyboard •Direct USB/MIDI connection with Apple iPad Camera Adapter •Wireless connection possible using MIDI network   This PC3K Editor is an app for iPad only. Kurzweil and PC3K is are trademarks of Young Chang Co., Ltd. Soundtower is a trademark of Soundtower Inc.

About

Legend '70s Editor

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
Read full description

Legend '70s Editor allows real-time adjustment and storage of all the sound generation parameters and effects of the Legend '70s series instruments. In addition to this, it allows you to modify parameters that are not present in the instrument, to save the modified programs in your device and to reload them quickly. Moreover, it provides dedicated settings for live performance. Legend '70s Editor comes with a clear and simple user interface, adaptable to any screen resolution. Specifically, Legend '70s Editor allows you to: - Adjust all sound parameters; - Adjust all effect parameters; - Adjust the physical model parameters of the E.Piano module; - Adjust the physical model parameters of the Clavi module; - Adjust the additional parameters of the A.Piano module; - Adjust all system settings; - Save and load programs; - Create and rearrange song lists; - Recall any program or song during the performance quickly and easily. - Create 2 live sets with a selection of 24 programs. How it works: - Connect your device to the Legend '70s by a USB cable and the Camera Connection Kit. - Press the [CONNECT] button in the app to connect to the instrument. - Select the desired environment from the top bar by pressing the menu buttons. For more information about Legend '70s Editor, please download the guide from the site: www.viscountinstruments.com/instrument/legend-70s-editor

Verdict

The call

PC3K Sound Editor and Legend '70s Editor both sit at 5.0 stars, but that hides the real split: 100% of Legend '70s Editor's written reviews are positive against 67% of PC3K Sound Editor's. On price, rating, ratings volume and update cadence there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for PC3K Sound Editor against 5.0 for Legend '70s Editor. Both are backed by a comparable volume of ratings — 2 and 2 respectively. Written reviews are what separate them: 67% of PC3K Sound Editor's written reviews are positive against 100% of Legend '70s Editor's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on June 2, 2026 and June 9, 2026 respectively.

Scorecard1 real difference · 9 level
PC3K Sound Editor versus Legend '70s Editor: the parameters behind the verdict, then further details
ParameterPC3K Sound EditorLegend '70s Editor
PriceFreeFree
Rating5.0 (2 ratings)5.0 (2 ratings)
Positive reviews66.7% of reviews100.0% of reviews — better
Number of ratings22
Update frequencyEvery 3 monthsEvery 3 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPadiPad
Requires iOS8.0 — better9.2
Further details — not scored
Size40 MB9 MB
Age rating4+4+
DeveloperSoundTower Inc.Viscount Int.

Customer experience

PC3K Sound Editor

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive66.7%
Neutral0.0%
Negative33.3%

Legend '70s Editor

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

PC3K Sound Editor

No in-app purchases

None

Legend '70s Editor

No in-app purchases

Questions

Is PC3K Sound Editor free?
PC3K 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.
Which has better reviews, PC3K Sound Editor or Legend '70s Editor?
PC3K Sound Editor and Legend '70s Editor are both rated 5.0 out of 5 on the App Store, from 2 and 2 ratings respectively.
Do PC3K Sound Editor or Legend '70s Editor have ads?
Neither PC3K Sound Editor nor Legend '70s Editor shows ads.
Which is updated more often, PC3K Sound Editor or Legend '70s Editor?
PC3K Sound Editor ships an update every 3 months, and Legend '70s Editor every 3 months. Most recently, PC3K Sound Editor was updated on June 2, 2026 and Legend '70s Editor on June 9, 2026.

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