# METechs SWCtrl vs 16 Relay Controller

The clearest difference is update cadence: METechs SWCtrl at every 7 months against 16 Relay Controller's every 34 months. METechs SWCtrl also leads on iOS requirement (8.0 vs 18.6). 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.

METechs SWCtrl ships an update every 7 months, 16 Relay Controller every 34 months. The most recent releases landed on June 8, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | METechs SWCtrl | 16 Relay Controller |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (4 ratings)](https://appshunter.io/ios/app/metechs-swctrl/id1459062245/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 7 months** | Every 34 months |
| Monetization | Free | — |
| Size | 112 MB | 0 MB |
| Requires iOS | **8.0** | 18.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [METECHS GLOBAL INC.](https://appshunter.io/developer/1131129156) | [Mike Henry](https://appshunter.io/developer/1219782847) |

## What reviewers say

### METechs SWCtrl

[App page](https://appshunter.io/ios/app/metechs-swctrl/id1459062245)

Control motorized curtains, lights, and other automation devices remotely or with voice commands. Schedule actions for energy efficiency and convenience, and monitor device activity.

**Highlights:** Direct smartphone control, no hub needed, Voice control with Alexa and Google Assistant, Local and remote control, Timing and scheduling functions, Inter-device logic control, Operation logs, Wi-Fi hotspot sharing

**Features:** macOS Compatibility

**In-app purchases:** none


### 16 Relay Controller

[App page](https://appshunter.io/ios/app/16-relay-controller/id1541478119)

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

**In-app purchases:** none


## Frequently asked questions

### Is METechs SWCtrl free?

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

### Is 16 Relay Controller free?

16 Relay Controller is free to download, with no in-app purchases.

### Do METechs SWCtrl or 16 Relay Controller have ads?

Neither METechs SWCtrl nor 16 Relay Controller shows ads.

### Which is updated more often, METechs SWCtrl or 16 Relay Controller?

METechs SWCtrl ships an update every 7 months, and 16 Relay Controller every 34 months. Most recently, METechs SWCtrl was updated on June 8, 2026 and 16 Relay Controller on September 18, 2026.

---

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