# Motion Control User Interface vs Sun Tan City

The clearest difference is update cadence: Sun Tan City at fortnightly against Motion Control User Interface's every 5 months. Sun Tan City also leads on ratings volume (12K vs 5) and rating (4.5 vs 4.2). Motion Control User Interface's advantage is monetization model (free vs free with in-app purchases) and iOS requirement (11.0 vs 16.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Sun Tan City holds the better App Store score, 4.5 against 4.2. That said, the two scores are not equally well evidenced: Sun Tan City has 12K ratings behind it against 5, so its average is the more settled of the two.

Motion Control User Interface ships an update every 5 months, Sun Tan City fortnightly. The most recent releases landed on October 7, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Motion Control User Interface | Sun Tan City |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (5 ratings)](https://appshunter.io/ios/app/motion-control-user-interface/id787443186/reviews) | **[4.5 (12K ratings)](https://appshunter.io/ios/app/sun-tan-city/id888523615/reviews)** |
| Number of ratings | 5 | **12K** |
| Positive reviews | — | 21.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Fortnightly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 31 MB | 76 MB |
| Requires iOS | **11.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Motion Control Inc.](https://appshunter.io/developer/787443189) | [STC MANAGEMENT GROUP, LLC](https://appshunter.io/developer/941802937) |

## What reviewers say

### Motion Control User Interface

[App page](https://appshunter.io/ios/app/motion-control-user-interface/id787443186)

This app allows wireless control and adjustment of settings for ProPlus, ProWrist, and Powered Flexion Wrist products. It also connects to MyoOne electrodes for enhanced functionality.

**Highlights:** Wireless communication with ProPlus, ProWrist, Powered Flexion Wrist, Change control modes, Adjust gains and thresholds, Connects to MyoOne electrodes, No wired computer connection needed

**In-app purchases:** none


### Sun Tan City

[App page](https://appshunter.io/ios/app/sun-tan-city/id888523615)

Streamline your salon experience by checking in before you arrive to secure your spot. Browse available services, manage your membership, and access exclusive specials. This app makes getting your glow easier than ever.

**Highlights:** Pre-arrival check-in, View wait times, Purchase memberships and specials, Manage account details, Review visit history, Digital scan card, Live chat support

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Convenient check-in
- 📱 User-friendly interface
- 💳 Manage account details
- 🎁 Exclusive deals/promos

**What reviewers complain about**

- 🐛 App crashes/freezes
- 🔍 Difficult to navigate
- 🕰️ Inaccurate wait times
- 🔑 Login/password issues
- 🔒 Difficult to cancel/freeze account

**Reported bugs**

- White screen on launch
- Inconsistent login functionality
- Inability to complete transactions

**Requested features**

- Display past visit history
- Show location hours and details
- Streamline check-in process
- Improve account management


## Frequently asked questions

### Is Motion Control User Interface free?

Motion Control User Interface is free to download, with no in-app purchases.

### Is Sun Tan City free?

Sun Tan City is free to download, with no in-app purchases.

### Which has better reviews, Motion Control User Interface or Sun Tan City?

Sun Tan City is rated higher. Motion Control User Interface averages 4.2 out of 5 from 5 ratings, while Sun Tan City averages 4.5 from 12K ratings.

### Do Motion Control User Interface or Sun Tan City have ads?

Neither Motion Control User Interface nor Sun Tan City shows ads.

### Which is updated more often, Motion Control User Interface or Sun Tan City?

Motion Control User Interface ships an update every 5 months, and Sun Tan City fortnightly. Most recently, Motion Control User Interface was updated on October 7, 2026 and Sun Tan City on October 15, 2026.

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