ETI Commander vs 16 Relay Controller
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ETI Commander
This app allows users to program and monitor ETI MNPR relays using a Bluetooth optical head. It facilitates troubleshooting of network protector and relay operations. Requires specific ETI hardware for functionality.
- Program MNPR relays
- Monitor MNPR relays
- Bluetooth optical head connectivity
- Troubleshoot relay operation
- Troubleshoot network protector operation
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Program and monitor the ETI MNPR® (Microprocessor Network Protector Relay) via a Bluetooth optical head. Troubleshoot network protector and relay operation. An ETI MNPR® and ETI Bluetooth Module (P/N 131-1192-50) are required for use.
16 Relay Controller
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App to control henry solutions 16 Relay hardware devices. The 16 Relay controller connects to an IOT device via web service calls. The webservice endpoints you connect to is determined by the application settings. The default IP address of the webservice for the relay controller is set to a non-routable IP address of 192.168.4.2. The app only uses http and not https so it is only suitable for controlling IOT devices in a closed environment. The 16 Relay controller is limited to sending only the following URL request to the IP address you enter in the settings: http://[ip-address]/status http://[ip-address]/status/[relay-number] http://[ip-address]/on/[relay-number] http://[ip-address]/off/[relay-number] http://[ip-address]/allon http://[ip-address]/alloff http://[ip-address]/hb
Screenshots
Verdict
The clearest difference is update cadence: ETI Commander at every 2 months against 16 Relay Controller's every 34 months. ETI Commander also leads on iOS requirement (13.0 vs 18.6). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
ETI Commander ships an update every 2 months, 16 Relay Controller every 34 months. The most recent releases landed on June 22, 2026 and September 18, 2026 respectively.
| Parameter | ETI Commander | 16 Relay Controller |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 2 months — better | Every 34 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 18.6 |
| Further details — not scored | ||
| Size | 10 MB | 0 MB |
| Age rating | 4+ | 4+ |
| Developer | Electronic Technology Inc. | Mike Henry |
In-app purchases
ETI Commander
No in-app purchases
16 Relay Controller
No in-app purchases
Questions
Is ETI Commander free?
Is 16 Relay Controller free?
Do ETI Commander or 16 Relay Controller have ads?
Which is updated more often, ETI Commander or 16 Relay Controller?
Other comparisons
