# SCPI Commander vs u64

The clearest difference is price: SCPI Commander at Free against u64's $0.99. SCPI Commander also leads on update cadence (weekly vs every 3 months). u64's advantage is rating (5.0 vs 3.0). On ratings volume, ads, in-app purchases and device support there is nothing between them.

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

u64 holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 2 respectively.

SCPI Commander ships an update weekly, u64 every 3 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | SCPI Commander | u64 |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/scpi-commander/id1474671250/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/u64-ultimate64-controller/id6751809716/reviews)** |
| Number of ratings | 2 | 2 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 months |
| Monetization | **Free** | Paid |
| Size | 6 MB | 21 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Michael Augustsson](https://appshunter.io/developer/1455374836) | [Marcin Spoczynski](https://appshunter.io/developer/1836935012) |

## What reviewers say

### SCPI Commander

[App page](https://appshunter.io/ios/app/scpi-commander/id1474671250)

Control LXI enabled instruments directly from your device. Send SCPI commands, automate measurements with a built-in script engine, and process results. Easily manage and export instrument data, logs, and screen dumps.

**Highlights:** Connect to LXI instruments, Send SCPI commands, Built-in script engine, Automate measurements, Process measurement results, Export data and logs, Instrument identity inquiry

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is SCPI Commander free?

SCPI Commander is free to download, with no in-app purchases.

### Is u64 free?

u64 costs $0.99, with no in-app purchases.

### Which has better reviews, SCPI Commander or u64?

u64 is rated higher. SCPI Commander averages 3.0 out of 5 from 2 ratings, while u64 averages 5.0 from 2 ratings.

### Do SCPI Commander or u64 have ads?

Neither SCPI Commander nor u64 shows ads.

### Which is updated more often, SCPI Commander or u64?

SCPI Commander ships an update weekly, and u64 every 3 months. Most recently, SCPI Commander was updated on November 3, 2026 and u64 on October 30, 2026.

---

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