Please support this awesome company!
What a great company & products! Highly recommended!
Archived App (Last seen on 12 May 2026)
This is an archived listing of the app previously available on the App Store.Although the app is no longer distributed by Apple, you can still view its description, screenshots, version history, ratings, and metadata for reference.
About
This utility app allows users to manage the settings of their Retrokits RK-004 device. Connect your iOS device via audio cable to access and modify settings.
✓Manage RK-004 device settings
✓Connect via audio cable
✓iOS device compatibility
✓Simple interface
Show original description
What's New in RK
1.06
January 20, 2022
A new export for the new iOS
User reviews
Developer apps
FAQ
How do I connect RK-004 to my iOS device?
Connect an audio cable from your iOS device's headphone output to the RK-004's sync input. This connection allows the app to communicate with the device.
What devices does RK-004 support?
RK-004 is compatible with iPhone, iPad, and iPod devices. It requires an iOS operating system.
Is RK-004 free to use?
Yes, RK-004 is available for free. There are no in-app purchases or advertisements associated with this application.
How often is RK-004 updated?
The latest version, 1.06, was released on January 20, 2022. Updates are infrequent, with the last update being over a year ago.
What is the age rating for RK-004?
RK-004 has an age rating of 4+. This indicates it is suitable for users of all ages.
What is the user rating for RK-004?
RK-004 has a high user rating of 5.0 stars based on 4 reviews, suggesting a very positive user experience.
Who developed RK-004?
RK-004 was developed by RGP. The developer has released this utility application for managing Retrokits hardware.
