RK-004

by RGP · Utilities · Free

No longer on the App Store

RK-004 is made and published by RGP. AppBrain is an independent app data site and isn't affiliated with RGP. The app name, icon, screenshots and description belong to RGP and are shown as published on the App Store.

AppBrain's verdict

Removed

Rating on App Store: 5.00; 4 ratings
Last updated: January 20, 2022
Size: 2.04 MB

RK-004 is no longer on the App Store. It had too few ratings to say what users thought.

User feedback

Ratings and reviews on the App Store

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Store listing

By RGP, from the App Store

This app is currently not available on the App Store.

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Description by RGP Written by the developer, not by AppBrain. Click to read.

Use this application to manage the settings of your Retrokits RK-004. Just connect an audio cable between the headphone output of your iOS device and the RK-004's sync input. Now you're ready to go!

Safety and technology

Found in the app by AppBrain

Price: Free
App size: 2.04 MB
Content rating: Everyone

Technologies used by RK-004

Releases

Updates seen on the App Store

Version: 1.06
Launched: May 2017

No changelog data

Alternatives

Similar apps and more from RGP

About the app and developer

About RK-004

RK-004 was an utilities app developed by RGP. It was removed from the App Store May 25, 2025.

User Ratings

RK-004 was rated 5.00 out of 5 stars, based on 4 ratings.

App Information

RK-004 was free. The app size was 2.04 MB. The last available version was 1.06. The last update was on January 20, 2022.

Technical Requirements

The app had a content rating of Everyone. The app had been available on the App Store since May 2017.

Developer information for RGP

RGP

Address:

Frequently asked questions about RK-004

Is RK-004 free?

Yes. RK-004 was free on the App Store.

Is RK-004 still available?

No. RK-004 was removed from the App Store. We last saw it there May 25, 2025.

How large is RK-004?

RK-004 is 2.04 MB.

Is RK-004 suitable for children?

App Store rates the content of RK-004 as suitable for everyone.

How do people rate RK-004?

RK-004 scored 5.00 out of 5 stars, from 4 ratings on the App Store.

Who made RK-004?

RK-004 was developed by RGP. It was listed in the utilities category on the App Store.

What are the best alternatives to RK-004?

People looking at RK-004 also look at these utilities apps: GoCC4All, Do Not Track Kids, Garmin RV Controls, DM AirDisk HDD, Copy Link in Markdown.

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