Comparison

16 Relay Controller vs Helm

Price, ratings, monetisation and update history for both apps, side by side โ€” with what reviewers say about each.

Head to head
About

16 Relay Controller

Features
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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

About

Helm

Features
Read full description

Turn your iPhone into a powerful remote control for your Mac. Helm connects over SSH on your local network โ€” no cloud, no third-party servers, just direct control. WHAT YOU CAN DO FOR FREE: โ€ข Trackpad โ€” Move your cursor with smooth gestures, tap to click, scroll naturally โ€ข Keyboard โ€” Quick clipboard shortcuts: copy, paste, cut, select all โ€ข Audio โ€” Adjust volume, mute/unmute, quick presets โ€ข Power โ€” Sleep, lock, restart, or shut down your Mac remotely UNLOCK HELM PRO: โ€ข Media Control โ€” Now playing info, playback controls, seek, shuffle & repeat for Music and Spotify โ€ข Brightness โ€” Adjust display brightness with a simple slider โ€ข Appearance โ€” Toggle dark mode and change your Mac's accent color โ€ข Bluetooth โ€” View connected devices with battery levels, connect and disconnect โ€ข Apps โ€” See running apps, quit or force quit with one tap โ€ข Browser Tabs โ€” Manage Safari and Chrome tabs remotely โ€ข Screenshot โ€” Capture your Mac's screen and save to your iPhone โ€ข Storage โ€” Monitor disk usage, view volumes, eject external drives HOW IT WORKS: 1. Enable Remote Login (SSH) on your Mac 2. Connect Helm on the same Wi-Fi network 3. Start controlling โ€” that's it WHY HELM? โ€ข Privacy First โ€” All data stays on your local network. No cloud. No tracking. โ€ข Auto-Discovery โ€” Finds your Mac automatically via Bonjour โ€ข Multiple Devices โ€” Save and switch between multiple Macs โ€ข Secure โ€” Passwords stored in iOS Keychain with SSH host key verification โ€ข Beautiful Design โ€” Premium dark interface with smooth animations and haptic feedback Perfect for developers, power users, and anyone who wants to control their Mac from the couch. Download Helm and take control today. Privacy Policy: https://cappsule.com.tr/helm/privacy-policy.html Terms of Use: https://cappsule.com.tr/helm/terms-of-service.html

Screenshots

16 Relay Controller3 screens
Helm4 screens

Verdict

The call

The clearest difference is in-app purchases: 16 Relay Controller at none against Helm's 1. Helm's advantage is update cadence (every 2 months vs every 34 months). On price, ads, device support and iOS requirement there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Helm sells 1 one-off in-app purchase. 16 Relay Controller asks for nothing beyond the download.

UpkeepUpdate frequency

16 Relay Controller ships an update every 34 months, Helm every 2 months. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

Scorecard2 real differences ยท 4 level
16 Relay Controller versus Helm: the parameters behind the verdict, then further details
Parameter16 Relay ControllerHelm
PriceFreeFree
Update frequencyEvery 34 monthsEvery 2 months โ€” better
AdsNoNo
In-app purchasesNo โ€” betterYes
DevicesiPhone, iPad โ€” betteriPhone
Requires iOS18.617 โ€” better
Further details โ€” not scored
Size0 MB28 MB
Age rating4+4+
DeveloperMike HenryCappsule Teknoloji

In-app purchases

None

16 Relay Controller

No in-app purchases

1 purchases

Helm

One-time1
  • Helm Pro$4.99

Questions

Is 16 Relay Controller free?
16 Relay Controller is free to download, with no in-app purchases.
Is Helm free?
Helm is free to download, with in-app purchases available.
Do 16 Relay Controller or Helm have ads?
Neither 16 Relay Controller nor Helm shows ads.
Which is updated more often, 16 Relay Controller or Helm?
16 Relay Controller ships an update every 34 months, and Helm every 2 months. Most recently, 16 Relay Controller was updated on October 25, 2026 and Helm on October 24, 2026.

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