Comparison

u64 vs Go To Green

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

Head to head
About

u64

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.

Highlights
  • Remote device control (reset, reboot, pause)
  • Load PRG, cartridge, SID, and MOD files
  • Mount/unmount D64, G64, D71, G71, D81 disk images
  • Memory editor with peek/poke
  • Send text commands via keyboard buffer
  • Access and modify device settings
  • Real-time drive state monitoring
Features
Read full 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.

About

Go To Green

Features
Read full description

Stay informed with Go To Green alerts and notifications during emergency situations. The Go To Green system quickly assesses situations and sends instant alerts with the appropriate response protocol for team members in the building. Features: - Location specific notifications - Intuitive tile layout highlights the appropriate response protocol for each situation - Know when to "Shelter" in place, "Hold" position, or "Evacuate" the building Designed for speed, clarity and ease of use, this app helps to eliminate confusion so you can keep focused on what matters most and let our sensors guide you through the pathway to safety.

Screenshots

u644 screens
Go To Green4 screens

Verdict

The call

The clearest difference is price: Go To Green at Free against u64's $0.99. Go To Green also leads on update cadence (every 3 weeks vs every 3 months). u64's advantage is iOS requirement (13.0 vs 18.0). On ads, in-app purchases and device support 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

Go To Green is free to download; u64 costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

u64 ships an update every 3 months, Go To Green every 3 weeks. The most recent releases landed on October 18, 2026 and October 19, 2026 respectively.

Scorecard3 real differences · 6 level
u64 versus Go To Green: the parameters behind the verdict, then further details
Parameteru64Go To Green
Price$0.99Free — better
Rating5.0 (2 ratings) — better—
Number of ratings2 — better—
Update frequencyEvery 3 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better18.0
Further details — not scored
Size21 MB21 MB
Age rating4+4+
DeveloperMarcin SpoczynskiGo To Green Security

In-app purchases

None

u64

No in-app purchases

None

Go To Green

No in-app purchases

Questions

Is u64 free?
u64 costs $0.99, with no in-app purchases.
Is Go To Green free?
Go To Green is free to download, with no in-app purchases.
Do u64 or Go To Green have ads?
Neither u64 nor Go To Green shows ads.
Which is updated more often, u64 or Go To Green?
u64 ships an update every 3 months, and Go To Green every 3 weeks. Most recently, u64 was updated on October 18, 2026 and Go To Green on October 19, 2026.

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