u64 - Ultimate64 Controller
Remote for Ultimate64
About
Remotely manage your Ultimate64, Ultimate II+, or Commodore 64 Ultimate hardware from your iPhone. Control device functions, mount disk images, play music, and edit memory wirelessly.
What's New in u64
1.1
March 31, 2026
- Improved portrait and landscape layout throughout the app - Memory editor now fully scrollable on all screen sizes - Browse the C64 Scene — search releases, view top lists and latest uploads, download and run files directly on your Ultimate64
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FAQ
What hardware does Ultimate64 Controller require?
Ultimate64 Controller requires Ultimate64, Ultimate II+, Ultimate II, or Commodore 64 Ultimate hardware with network connectivity and REST API support. It is not a standalone emulator.
Can I use Ultimate64 Controller without the physical hardware?
No, this application is designed to control specific Ultimate64 hardware models. It requires a compatible device connected to your local network to function.
What types of disk images can be mounted with Ultimate64 Controller?
You can mount and unmount D64, G64, D71, G71, and D81 disk images directly from your iPhone or iPad.
Does Ultimate64 Controller support playing SID music?
Yes, the app allows you to play SID music files directly on your Ultimate64 hardware.
How does Ultimate64 Controller connect to the hardware?
The application connects wirelessly via Ethernet or Wi-Fi on your local network. It features auto-discovery for compatible devices.
What are the development tools available in Ultimate64 Controller?
It includes a memory editor for peeking and poking memory addresses, and a feature to send text commands through the keyboard buffer for automation and testing.
Is Ultimate64 Controller free to use?
No, Ultimate64 Controller is a paid application. It is priced at $0.99 and does not feature in-app purchases or advertisements.
How often is Ultimate64 Controller updated?
The latest version, 1.1, was released on March 31, 2026. Updates are provided by the developer, Marcin Spoczynski, to enhance functionality and compatibility.