Comparison

Nest vs THermo

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

Head to head
About

Nest

Control your smart home devices, including thermostats, security systems, cameras, and smoke detectors, all from a single app. Receive alerts, manage schedules, and automate actions based on your presence.

Highlights
  • Remote thermostat control
  • Arm/disarm security system
  • Live camera feeds
  • Smoke/CO alerts
  • Automated actions
  • Visitor notifications
Currently charting
Read full description

At Google Nest, we make products that are beautiful, helpful and easy to use. The Nest app is no exception. Control your Nest thermostat, arm and disarm your Nest Secure alarm system, see your home with Nest Cam, and get an alert if Nest Protect goes off – all in one place. And receive notifications on your iPhone or iPad. Nest uses sensors, algorithms and the location of your phone to do the right thing automatically, turning off the heat and turning on the camera when you leave. Forget to set the alarm? It will notice, and send you a Remind Me alert. Nest Learning Thermostat and Nest Thermostat E Thermostats that program themselves to help you save energy. - Change the temperature from the subway or the sofa using your phone. - See how much energy you used, and why. - View and edit your schedule. - Get extreme temperature alerts before your home gets too cold. Nest Secure alarm system - Arm and disarm your home remotely from the app. - Receive a Remind Me alert if you leave home and forget to set the alarm. - Receive a security alert on your phone telling you what triggered the alarm – a door or window opening, or someone entering a room. Nest Protect The smoke and carbon monoxide alarm that thinks, speaks, and alerts your phone. - Get an alert if Nest Protect senses smoke or carbon monoxide. (Requires Wi-Fi and a working internet connection.) - Silence an alarm from your phone with App Silence. (Nest Protect 2nd gen only.) - See the status of your batteries, sensors, and Wi-Fi connection. - Run a Safety Checkup to test all your alarms at once. (Nest Protect 2nd gen only.) - See your Safety History so you know when alerts happened and why. Nest Cam IQ Indoor and Outdoor, Nest Cam Indoor, Nest Cam Outdoor, and Dropcam The security cameras that let you see your home on your phone, inside and out. - Get alerts when there’s activity, and talk back to get someone’s attention. - See what you missed with snapshots of the last three hours. - Check in 24/7 with crisp 1080p HD video (Nest Cam and Dropcam Pro only). - Get person alerts (or familiar face alerts with Nest Cam IQ) and up to 30 days of video history when you subscribe to Nest Aware. (Subscription service sold separately.) Nest Hello Know who’s knocking. - 24/7 video streaming means you’ll never miss a moment. - Designed to show you everything at your doorstep – people head to toe, or packages on the ground. - Knows the difference between a person and a thing. - Notifies you about visitors, even if they don’t ring the bell. - HD Talk and Listen lets you have a seamless conversation with someone at your door. - When you can’t answer the door, quick responses let you reply to visitors with prerecorded audio messages. Nest x Yale Lock The lock for a more secure connected home. - Instead of sharing keys, assign passcodes to people you trust in the Nest app. - Get an alert when someone locks or unlocks the door. - With Home/Away Assist and Auto-Lock, your door can lock itself when you leave. Some features require a working internet connection, Wi-Fi, and/or Bluetooth.

About

THermo

Control your home's heating and cooling with this intuitive chronothermostat application. Manage manual, automatic, and specialized modes for optimal comfort and energy savings. Offers advanced personalization and programming for compatible devices.

Highlights
  • Manual mode control
  • Automatic mode scheduling
  • Jolly mode (TH550)
  • BOOST mode (TH700)
  • Bluetooth compatibility (TH700)
  • Programming and personalization
  • Energy saving features
Features
Read full description

THermo app, make usable in a simple and intuitive way, the basic functions of a chronothermostat • Manual mode • Automatic mode • Jolly mode (TH550 only) • BOOST mode (TH700 only) • New compatibility with TH700 Bluetooth Greatly simplifying the programming and personalization of the device. It also introduces a number of advanced features that allow a high degree of comfort and real energy savings.

Screenshots

Nest4 screens
THermo4 screens

Verdict

The call

The clearest difference is monetization model: THermo at free against Nest's free with in-app purchases. THermo also leads on iOS requirement (11.0 vs 14.0). Nest's advantage is chart position (#64 vs unranked). On price, review sentiment, update cadence and ads 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

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 18, 2026 and October 16, 2026 respectively.

Scorecard3 real differences · 8 level
Nest versus THermo: the parameters behind the verdict, then further details
ParameterNestTHermo
PriceFreeFree
Rating4.6 (2.6M ratings) — better—
Positive reviews24.4% of reviews30.0% of reviews — better
Number of ratings2.6M — better—
Update frequencyEvery 2 monthsEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree with in-app purchasesFree — better
Best chart rank#64 — better—
DevicesiPhone, iPad, iPod, Apple TV — betteriPhone, iPad, iPod
Requires iOS14.011.0 — better
Further details — not scored
Size240 MB50 MB
Age rating4+4+
DeveloperNest LabsCAME S.P.A.

Customer experience

Nest

All ratings2,564,294 ratings
Positive90.4%
Neutral3.2%
Negative6.4%
Written reviews4,536 reviews
Positive24.4%
Neutral9.4%
Negative66.1%

THermo

Written reviews50 reviews
Positive30.0%
Neutral14.0%
Negative56.0%

Bugs and requests

Nest

Reported bugs

4 issues
  • Inconsistent home/away detection
  • Thermostat schedule resets unexpectedly
  • Smoke detector false alarms
  • Camera feed freezes or fails to load

Requested features

4 requests
  • Improved scheduling and automation options
  • Better integration with other smart home devices
  • More customization options for alerts and notifications
  • Offline viewing and recording capabilities

THermo

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Nest

No in-app purchases

None

THermo

No in-app purchases

Questions

Is Nest free?
Nest is free to download, with no in-app purchases.
Is THermo free?
THermo is free to download, with no in-app purchases.
Do Nest or THermo have ads?
Neither Nest nor THermo shows ads.
Which is updated more often, Nest or THermo?
Nest ships an update every 2 months, and THermo every 2 months. Most recently, Nest was updated on October 18, 2026 and THermo on October 16, 2026.

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