---
title: "u64 - Ultimate64 Controller - Reviews, Revenue and Downloads in United States | Apple App Store"
description: "Control your Ultimate64, Ultimate II+, or the new Commodore 64 Ultimate directly from your iPhone. Mount disks, play SID music, manage files, and configure your device — all wirelessly over your local"
---

# u64 - Ultimate64 Controller — United States
> Remote for Ultimate64

![U64 App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/b6/80/07/b6800723-b370-b616-7219-d0ada1fb9c3a/AppIcon-0-0-1x_U007emarketing-0-8-0-85-220.png/434x0w.png)

**Developer:** [Marcin Spoczynski](https://apptail.io/developer/marcin-spoczynski-qDCArb)
**Category:** Utilities
**Rating:** 5.0/5 (2 ratings)
**Price:** $0.99
**Bundle ID:** com.spoczynski.u64
**Store:** Apple App Store
**Country:** United States
**Version:** 1.1 (released 2026-03-31)
**Original Release:** 2026-01-05
**Languages:** English

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/us/app/app/id6751809716)
**AppTail Page:** [https://apptail.io/app/u64-ultimate64-controller-rWdy/united-states](https://apptail.io/app/u64-ultimate64-controller-rWdy/united-states)

## U64 Description
Control your Ultimate64, Ultimate II+, or the new Commodore 64 Ultimate directly from your iPhone. Mount disks, play SID music, manage files, and configure your device — all wirelessly over your local network.
DEVICE CONTROL
Reset, reboot, pause, resume, and power your machine remotely. Load PRG programs, cartridge files, SID tunes, and MOD audio instantly.
DISK MANAGEMENT
Mount and unmount D64, G64, D71, G71, and D81 disk images without leaving your chair.
DEVELOPMENT TOOLS
Peek and poke memory addresses with the built-in memory editor. Send text commands through the keyboard buffer for automation and testing.
CONFIGURATION
Access and modify device settings. Save configurations to flash memory for permanent storage.
STATUS MONITORING
View real-time drive states, mounted images, and device information with instant feedback.
Connects via Ethernet or Wi-Fi on your local network. Auto-discovers compatible devices.
Perfect for retro gaming, C64 development, digital preservation, and educational use.
Requires Ultimate64, Ultimate II+, Ultimate II, or Commodore 64 Ultimate hardware with network connectivity and REST API support.

## U64 Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/b7/fd/d8/b7fdd80e-b639-6be0-562a-0a35cd7620d9/Simulator_Screenshot_-_iPhone_16_Pro_-_2025-09-01_at_15.42.21.png/1206x2622.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/3a/de/63/3ade6323-cabb-2187-3a53-cf110b19334f/Simulator_Screenshot_-_iPhone_16_Pro_-_2025-09-01_at_15.42.11.png/1206x2622.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/d4/b0/0f/d4b00fda-7cee-5983-f7ee-7bdaeb35f7b4/Simulator_Screenshot_-_iPhone_16_Pro_-_2025-09-01_at_15.41.46.png/1206x2622.png)
- [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/12/bf/9e/12bf9ef5-e02a-816a-887f-d220a8bb2af1/Simulator_Screenshot_-_iPhone_16_Pro_-_2025-09-01_at_15.42.30.png/1206x2622.png)

## U64 Rating Breakdown in United States
- 5 stars: 2 (100%)
- 4 stars: 0 (0%)
- 3 stars: 0 (0%)
- 2 stars: 0 (0%)
- 1 stars: 0 (0%)






## U64 Available In
- [United States](https://apptail.io/app/u64-ultimate64-controller-rWdy/united-states)
- [Germany](https://apptail.io/app/u64-ultimate64-controller-rWdy/germany)
- [Austria](https://apptail.io/app/u64-ultimate64-controller-rWdy/austria)
- [Hong Kong SAR China](https://apptail.io/app/u64-ultimate64-controller-rWdy/hong-kong)
- [Japan](https://apptail.io/app/u64-ultimate64-controller-rWdy/japan)
- [United Kingdom](https://apptail.io/app/u64-ultimate64-controller-rWdy/united-kingdom)
- [Australia](https://apptail.io/app/u64-ultimate64-controller-rWdy/australia)

---

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