Thermo Watch for Nest & Ecobee 4+

Nest Thermostat on Your Watch

Marko Radakovic

Designed for iPad

    • $2.99
    • Offers In-App Purchases


This app lets you use Siri and Apple Watch to control your Nest Thermostat!
It also lets you see HomeKit Thermostat info on the Watch Complications.

Apple Watch, Nest Thermostat, and Siri. Together at last.

* The app has Siri Voice shortcuts for seamless Siri control of your Nest, from the iPhone, Watch, iPad, and HomePod. It fully supports Apple Watch LTE, and can work when the iPhone is not around - as long as the watch itself has internet access (either LTE or WiFi).

* The app lets you monitor and control HomeKit thermostats like Ecobee, and functions largely the same with them as it does with Nest, except for the Siri Shortcuts functionality which is not needed with HomeKit. It lets you see your thermostat info on the Watch complications, and control it using the iOS widget.

• Using Siri voice shortcuts you can control many aspects of your Nest, such as instant activation of heating or cooling, setting the temperature by saying how many degrees you want to set, increasing/decreasing the temperature, and setting the Home/Away state. Thanks to Thermo Watch, It's all finally just one casual "Hey Siri" away, all with informative visual and verbal feedback.
• From the watch face, tap on the Thermo Watch complication to open the app. Spin the Digital Crown, or Swipe up/down to adjust the temperature. You can start adjusting the moment the app opens.
• On your iOS device you can see the thermostat info on the home screen widget, you can swipe to the widget panel to adjust the temperature on the interactive widget, or you can just open the app. Again, you can start adjusting the moment the controls appear.
• From your Apple TV, open the app, and swipe up/down on the remote to change the temperate.

The app is fully functional with an initial purchase. The in-app purchases are used only for giving a tip to the developer.

The app will let you know with a chime and a tap, that the thermostat has received and applied your command.

Monitor your Thermostats and Home/Away status right from the watch face, using complications that update in the background, without having to launch the app.

You can use Siri on your iPhone, Watch, iPad, or HomePod to control any of your thermostats. Record phrases that make most sense to you, such as "Start Heating" or "Make it Cooler". If you have multiple thermostats you can control them individually, by saying for example "Start Heating Upstairs" or "Start Cooling the Living Room".

Visit website for the detailed instructions of Siri operation.

Set Geofence around your home to reliably set the Home and Away state when you come and go.

The app supports multiple thermostats in multiple homes - just swipe left and right on your Watch screen to access them, or see them all at the same time in the iOS Widget and the app. Fahrenheit and Celsius are both supported.

Beyond that, you can press the Watch screen firmly for additional functions, like switching to a heating or cooling mode, setting the away status, choosing the active temperature sensor, or turning the fan on and off.

While the app's minimalist looks betray the simplicity of its operation, what they don't show is the amount of planning, design, development and refinement that went into it, ensuring it becomes something that is enjoyable to use and experience.

Thermo Watch does not collect any of your data. Your login information, thermostat settings, and any activity - all of it flows exclusively between your devices and Nest. Author of Thermo Watch does not receive any of it, at any point.
This app and its developer are unaffiliated with Google Inc. or Google Nest. Nest is a trademark of Google Inc.

What’s New

Version 15.8

* iOS Home Screen widget now has interactive controls on the Mid, and Large sized Widget: Start/Stop Heating/Cooling are now available with one button press on the widget.
* Full screen support for the Series 7 watches.
* Siri Shortcuts on the watch should no longer repeatedly ask to Allow shortcut to run actions. Shortcuts on the watch work best when the watch is on its own on LTE, or when the phone is nearby to provide good network speed.
* Watch complications should now update correctly, and they are tied to iOS Home Screen Widget updates. Please make sure to have Thermo Watch Home Screen Widget enabled on your phone if you wish to have watch complications update in the background.
* In the iOS app settings, you can set the Low Temperature Warning. This feature requires Thermo Watch Home Screen Widget to be enabled on your phone. With this enabled, the app will send you a notification when the home temperature drops below specified threshold. Useful if you have a furnace that works unreliably, and reports that it's heating, when it's in fact not.
* The app can now detect if the thermostat is in Temperature Holding state, and offer to end the hold so that you can change the temperature.
* Fix for the app not always correctly switching from Off mode to Heat for some users. Thanks to Will who reported this!

If Thermo Watch has changed your home experience for the better, please consider giving a small tip using the Tip Jar option from the app's menu.

Ratings and Reviews

4.2 out of 5
375 Ratings

375 Ratings

Bryansince1981 ,

Not working for me, yet...

Marko replied to my response immediately, and knew the issue right away, I’m brand new to Nest Thermostat and Google changed a few things. Although he was unable to resolve it, he was very willing to refund me the purchased price. He gave me a very detailed reason why (the Google/Nest transition) it isn’t working. He is working on a solution to the problem, and hopefully will have it resolved soon. He was very pleasant to work with, and again, I love the Camera app he created. Just waiting for the bugs to be removed for me. Overall, great developer, very professional, and a pleasure to work with. (I would give a 5 because of his help, but the app still doesn’t work for me)

Previous - When I try and log in through the app on my phone, using my nest account, it says I must use the main users account information, which I am. The camera app they have works well but this doesn’t work.

Developer Response ,

Hi Bryan. The new 15.0 version of the app should be working fine for you. I apologize for the wait, please give it a try.

wulfeman ,

App name says “For Nest AND Ecobee” but no Ecobee integration found

I started with a couple of Nest Thermostats in my home, but after Google stopped authorizing keys for new app integrations & a need to access with some new software, decided to use Ecobee for the rest of my house & will eventually replace Existing Nest with Ecobee. Unfortunately, I can not find any way to link Ecobee account to the app. I’ve searched the developers website and find plenty of information on linking to Nest, but not a word on Ecobee. If you are not supporting Ecobee, then remove it from the app name.

UNFORTUNATELY, while the developer states that I only need to add the thermostats to my HomeKit configuration, then connect through the app, it doesn’t work. I already had all of my thermostats connected to HomeKit. I connected to HomeKit, when I installed each Thermostat. (They all show up in the Home app, along with the remote sensors) The ThermoWatch app doesn’t give me an option of connecting to my HomeKit Devices, the closest option is to Authorize my AppleTV (HomeKit Hub). That doesn’t work either. Those instructions refer to connecting to a Nest Thermostat. Running the AppleTV app, when selecting this option on the phone, doesn’t do anything at all.

Developer Response ,

Hi Wulfeman. The Ecobee thermostats are supported in this app when they are added to your HoneKit setup. Then you just choose the “Connect to your HomeKit Thermostat” from the app’s first screen, and they will show up in the app. You can then control them from the iOS app, the Widget, Apple Watch, and Apple TV.
Please note that with this app you can choose to control Nest thermostats, or HomeKit thermostats, but not both at the same time.

guy9999 ,

Long time user best app ever

I’ve been using this app for quite a while and it’s great. Typically what happens is I actually end up taking control of some of the settings while I’m in bed as I’m going to sleep on my Apple Watch. It’s amazingly good.

I had trouble because one of my thermostats the battery ran out or stopped charging very well so I had to replace the thermostat and there was some settings that required multiple steps. I sent an email to the developer he reached out to me with detailed instructions which have completely solve the problem which I would not have been able to determine on my own. I really do appreciate all of the help.

I think that before anybody write a bad review you should reach out to the developer he seems to be incredibly helpful. And I think that when you have issues it’s likely more a function of googles nest thermostat and it is with this application and reaching out to him seems to be very beneficial

App Privacy

The developer, Marko Radakovic, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Not Collected

The developer does not collect any data from this app.

Privacy practices may vary, for example, based on the features you use or your age. Learn More

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