# u64 vs Go To Green

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.

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.

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.

## The numbers

| Metric | u64 | Go To Green |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/u64-ultimate64-controller/id6751809716/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Paid | — |
| Size | 21 MB | 21 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Marcin Spoczynski](https://appshunter.io/developer/1836935012) | [Go To Green Security](https://appshunter.io/developer/1895969144) |

## What reviewers say

### u64

[App page](https://appshunter.io/ios/app/u64-ultimate64-controller/id6751809716)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Go To Green

[App page](https://appshunter.io/ios/app/go-to-green-security/id6765491137)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked 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.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*