# Wi vs 16 Relay Controller

The clearest difference is iOS requirement: Wi at 14.0 against 16 Relay Controller's 18.6. On price, update cadence, 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.

Wi ships an update every 23 months, 16 Relay Controller every 34 months. The most recent releases landed on October 19, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Wi | 16 Relay Controller |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/wi-fi-actuator-control-app/id909743640/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 23 months** | Every 34 months |
| Monetization | Free | — |
| Size | 3 MB | 0 MB |
| Requires iOS | **14.0** | 18.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Progressive Automations Inc](https://appshunter.io/developer/909743643) | [Mike Henry](https://appshunter.io/developer/1219782847) |

## What reviewers say

### Wi

[App page](https://appshunter.io/ios/app/wi-fi-actuator-control-app/id909743640)

Control linear actuators and DC motors directly from your iOS device. This app simplifies complex movements, eliminating the need for expensive add-ons. A setup guide makes getting started quick and easy.

**Highlights:** Control actuators/DC motors via Wi-Fi, Bi-directional control for each actuator, Set time delays up to 999 seconds, Momentary or non-momentary control, Record and save actuator movements as presets

**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 Wi free?

Wi 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 Wi or 16 Relay Controller have ads?

Neither Wi nor 16 Relay Controller shows ads.

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

Wi ships an update every 23 months, and 16 Relay Controller every 34 months. Most recently, Wi was updated on October 19, 2026 and 16 Relay Controller on October 25, 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.*