Comparison

Sunnova vs ComfortAI

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

Head to head
About

Sunnova

Take charge of your home's energy consumption. This app integrates solar, storage, and electric vehicle management into a single platform. Monitor performance, optimize usage, and gain insights into your energy ecosystem.

Highlights
  • Manage solar, storage, and EV devices
  • View energy performance (hourly, daily, monthly)
  • Optimize home energy usage
  • Centralized energy ecosystem management
  • Control Sunnova Adaptive Home™
Features
Read full description

The Sunnova App puts homeowners in control of their home energy by combining modern energy appliances, including solar, storage, and electric vehicles, in one, convenient app. Users can manage their devices; view hourly, daily, and monthly performance; and discover new ways to optimize their home. As the central place for managing a new kind of home energy ecosystem, the Sunnova app enables homeowners to manage and optimize their Sunnova Adaptive Home™.

About

ComfortAI

Monitor your home's heating and cooling system remotely with real-time data and predictive AI. Receive alerts for potential issues and track energy usage to save money. Schedule HVAC service directly through the app.

Highlights
  • Real-time HVAC system status
  • Energy consumption tracking
  • Runtime averages
  • Air filter health monitoring
  • Predictive issue alerts
  • In-app service scheduling
Features
Read full description

Your HVAC Control Center with real-time data and predictive AI. To harness its power, ensure the ComfortAI box and sensors are professionally installed on your HVAC system. ComfortAI predicts issues before they become costly, saving you time and money. Monitor your home's heating and cooling system from anywhere, at any time. Features Include: System Status: Know if your HVAC system is online or offline. Energy Usage: Track your energy consumption by the hour Runtime Averages: View daily and monthly runtime averages for heating and cooling Air Filter Health: Monitor filter efficiency, days remaining before a replacement is needed Real-time Alerts: Receive critical issue alerts and take immediate action Schedule Service: Effortlessly schedule HVAC service via the app

Screenshots

Sunnova4 screens
ComfortAI4 screens

Verdict

The call

The clearest difference is review sentiment: ComfortAI at 100% against Sunnova's 6%. ComfortAI also leads on rating (5.0 vs 3.9). Sunnova's advantage is ratings volume (844 vs 5) and update cadence (every 3 weeks vs every 3 months). On price, ads, in-app purchases and monetization model 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.

ReceptionRating · Positive reviews · Number of ratings

ComfortAI holds the better App Store score, 5.0 against 3.9. That said, the two scores are not equally well evidenced: Sunnova has 844 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 6% of Sunnova's written reviews are positive against 100% of ComfortAI's.

UpkeepUpdate frequency

Sunnova ships an update every 3 weeks, ComfortAI every 3 months. The most recent releases landed on October 14, 2026 and October 1, 2026 respectively.

Scorecard4 real differences · 6 level
Sunnova versus ComfortAI: the parameters behind the verdict, then further details
ParameterSunnovaComfortAI
PriceFreeFree
Rating3.9 (844 ratings)5.0 (5 ratings) — better
Positive reviews6.3% of reviews100.0% of reviews — better
Number of ratings844 — better5
Update frequencyEvery 3 weeks — betterEvery 3 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPod — betteriPhone
Requires iOS15.1 — better16.0
Further details — not scored
Size87 MB25 MB
Age rating17+4+
DeveloperSunnova Energy CorpComfortAI, LLC

Customer experience

Sunnova

All ratings833 ratings
Positive73.2%
Neutral1.3%
Negative25.5%
Written reviews144 reviews
Positive6.3%
Neutral2.8%
Negative91.0%

ComfortAI

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Sunnova

Reported bugs

3 issues
  • App freezes on startup
  • Incorrect or missing production data
  • Billing information not updating properly

Requested features

3 requests
  • Custom date range for production data
  • Real-time energy usage and generation data
  • Ability to view individual panel performance

ComfortAI

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Sunnova

No in-app purchases

None

ComfortAI

No in-app purchases

Questions

Is Sunnova free?
Sunnova is free to download, with no in-app purchases.
Is ComfortAI free?
ComfortAI is free to download, with no in-app purchases.
Which has better reviews, Sunnova or ComfortAI?
ComfortAI is rated higher. Sunnova averages 3.9 out of 5 from 844 ratings, while ComfortAI averages 5.0 from 5 ratings.
Do Sunnova or ComfortAI have ads?
Neither Sunnova nor ComfortAI shows ads.
Which is updated more often, Sunnova or ComfortAI?
Sunnova ships an update every 3 weeks, and ComfortAI every 3 months. Most recently, Sunnova was updated on October 14, 2026 and ComfortAI on October 1, 2026.

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