Comparison

TSTR Bluetooth vs 16 Relay Controller

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

Head to head

About

TSTR Bluetooth

Features

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This is the APP for Tinysine TSTR series Bluetooth relay board.The TSTR series relay board have an OLED display and 4 temperature sensor input ports. It can be controlled by our phones via Bluetooth or WiFi,you can also set 4 threshold value to let the corresponding relay ON/OFF related with the temperature.

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

Screenshots

TSTR Bluetooth2 screens

16 Relay Controller3 screens

Verdict

The call

The clearest difference is update cadence: 16 Relay Controller at every 34 months against TSTR Bluetooth's every 70 months. TSTR Bluetooth's advantage is iOS requirement (9.0 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

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

TSTR Bluetooth ships an update every 70 months, 16 Relay Controller every 34 months. The most recent releases landed on September 15, 2026 and September 18, 2026 respectively.

Scorecard2 real differences · 4 level

TSTR Bluetooth versus 16 Relay Controller: the parameters behind the verdict, then further details
Parameter	TSTR Bluetooth	16 Relay Controller
Price	Free	Free
Update frequency	Every 70 months	Every 34 months — better
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPod	iPhone, iPad
Requires iOS	9.0 — better	18.6
Further details — not scored
Size	3 MB	0 MB
Age rating	4+	4+
Developer	飞吴	Mike Henry

In-app purchases

None

TSTR Bluetooth

No in-app purchases

None

16 Relay Controller

No in-app purchases

Questions

Is TSTR Bluetooth free?

TSTR Bluetooth 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 TSTR Bluetooth or 16 Relay Controller have ads?

Neither TSTR Bluetooth nor 16 Relay Controller shows ads.

Which is updated more often, TSTR Bluetooth or 16 Relay Controller?

TSTR Bluetooth ships an update every 70 months, and 16 Relay Controller every 34 months. Most recently, TSTR Bluetooth was updated on September 15, 2026 and 16 Relay Controller on September 18, 2026.