# joyonway vs Sundirect Smart

The clearest difference is review sentiment: Sundirect Smart at 67% against joyonway's 0%. joyonway's advantage is update cadence (every 2 weeks vs every 12 months) and iOS requirement (8.0 vs 13.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

joyonway ships an update every 2 weeks, Sundirect Smart every 12 months. The most recent releases landed on October 7, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | joyonway | Sundirect Smart |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (2 ratings)](https://appshunter.io/ios/app/joyonway/id1120465738/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | **66.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 12 months |
| Monetization | Free | Free |
| Size | 10 MB | 182 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Sun Hydraulics (China) Co., LTD.](https://appshunter.io/developer/1676392448) | [焕康 吴](https://appshunter.io/developer/1398707077) |

## What reviewers say

### joyonway

[App page](https://appshunter.io/ios/app/joyonway/id1120465738)

Control your spa equipment remotely or via local network. Features include water massage, bubble baths, constant heating, ozone disinfection, and colorful lighting for a complete hydrotherapy experience.

**Highlights:** Remote SPA control, Local area network control, Water massage jets, Bubble bath feature, Constant water heating, Ozone disinfection, Colorful lighting effects

**Features:** macOS Compatibility

**In-app purchases:** none


### Sundirect Smart

[App page](https://appshunter.io/ios/app/sundirect-smart/id1398707078)

Control your WiFi-enabled heaters and thermostats remotely. Manage power, set schedules, and activate holiday modes from anywhere. Enjoy convenient and smart heating management.

**Highlights:** Remote power on/off, Manual heating mode, Smart mode with 7-day programming, Holiday mode, Easy device connection, Device sharing

**In-app purchases:** none


## Frequently asked questions

### Is joyonway free?

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

### Is Sundirect Smart free?

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

### Do joyonway or Sundirect Smart have ads?

Neither joyonway nor Sundirect Smart shows ads.

### Which is updated more often, joyonway or Sundirect Smart?

joyonway ships an update every 2 weeks, and Sundirect Smart every 12 months. Most recently, joyonway was updated on October 7, 2026 and Sundirect Smart on October 14, 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.*