# Shyion vs Smart Controller Pro

The clearest difference is review sentiment: Smart Controller Pro at 100% against Shyion's 25%. Smart Controller Pro also leads on rating (5.0 vs 2.5) and update cadence (every 4 days vs every 3 weeks). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

Smart Controller Pro holds the better App Store score, 5.0 against 2.5. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews point the same way: 25% of Shyion's written reviews are positive against 100% of Smart Controller Pro's.

Shyion ships an update every 3 weeks, Smart Controller Pro every 4 days. The most recent releases landed on September 24, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Shyion | Smart Controller Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.5 (2 ratings)](https://appshunter.io/ios/app/shyion/id1580015933/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/smart-controller-pro/id6768871357/reviews)** |
| Number of ratings | **2** | 1 |
| Positive reviews | 25.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Monetization | Free | Free |
| Size | 117 MB | 42 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shanghai Huangzhu E - Commerce Co., Ltd.](https://appshunter.io/developer/1580015935) | [QI Automotive Co.,Ltd](https://appshunter.io/developer/1635704762) |

## What reviewers say

### Shyion

[App page](https://appshunter.io/ios/app/shyion/id1580015933)

Control your garden sprinkler remotely and set custom watering schedules. Monitor indoor temperature and humidity with detailed charts for environmental insights.

**Highlights:** Remote sprinkler control, Automated watering schedules, Temperature monitoring, Humidity monitoring, Environmental data charts

**In-app purchases:** none


### Smart Controller Pro

[App page](https://appshunter.io/ios/app/smart-controller-pro/id6768871357)

Control your trailer's braking system wirelessly via Bluetooth. Adjust brake parameters, receive alerts for trailer malfunctions, and detect wiring faults for safe and reliable operation.

**Highlights:** Bluetooth connectivity, Trailer braking control, Adjustable brake parameters, Failure alerts, Wiring fault detection

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

**In-app purchases:** none


## Frequently asked questions

### Is Shyion free?

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

### Is Smart Controller Pro free?

Smart Controller Pro is free to download, with no in-app purchases.

### Which has better reviews, Shyion or Smart Controller Pro?

Smart Controller Pro is rated higher. Shyion averages 2.5 out of 5 from 2 ratings, while Smart Controller Pro averages 5.0 from 1 ratings.

### Do Shyion or Smart Controller Pro have ads?

Neither Shyion nor Smart Controller Pro shows ads.

### Which is updated more often, Shyion or Smart Controller Pro?

Shyion ships an update every 3 weeks, and Smart Controller Pro every 4 days. Most recently, Shyion was updated on September 24, 2026 and Smart Controller Pro on October 9, 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.*