Flo by Moen™ vs Sunnova
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Flo by Moen™
This app guides users through migrating their Flo by Moen devices to a new platform before the current app is deactivated. It provides a step-by-step process to ensure a smooth transition for water damage and leak protection devices.
- Guided device migration
- Step-by-step instructions
- Water damage protection device transfer
- Leak detector device transfer
- App deactivation guidance
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If you currently use the Flo by Moen™ app to manage your device, please follow the in-app migration steps before November 1 to move to our new app. After November 1, the Flo by Moen™ app will have limited functionality and will be removed from the App Store later this year.
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.
- Manage solar, storage, and EV devices
- View energy performance (hourly, daily, monthly)
- Optimize home energy usage
- Centralized energy ecosystem management
- Control Sunnova Adaptive Home™
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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™.
Screenshots
Verdict
Flo by Moen™ and Sunnova both sit at 4.0 stars, but that hides the real split: 35% of Flo by Moen™'s written reviews are positive against 6% of Sunnova's. Sunnova's advantage is update cadence (every 3 weeks vs every 2 months). On price, rating, ratings volume 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 4.0 for Flo by Moen™ against 3.9 for Sunnova. Both are backed by a comparable volume of ratings — 1.9K and 844 respectively. Written reviews are what separate them: 35% of Flo by Moen™'s written reviews are positive against 6% of Sunnova's.
Flo by Moen™ ships an update every 2 months, Sunnova every 3 weeks. The most recent releases landed on October 15, 2026 and October 14, 2026 respectively.
| Parameter | Flo by Moen™ | Sunnova |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (1.9K ratings) — better | 3.9 (844 ratings) |
| Positive reviews | 35.5% of reviews — better | 6.3% of reviews |
| Number of ratings | 1.9K — better | 844 |
| Update frequency | Every 2 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 73 MB | 87 MB |
| Age rating | 4+ | 17+ |
| Developer | Flo Technologies | Sunnova Energy Corp |
Customer experience
Flo by Moen™
Sunnova
User reviews
Flo by Moen™
From 1.9K App Store ratingsWhat we love
- 🚀 Piece of mind
- 🚀 Monitors water usage
- 🚀 Detects leaks
- 🚀 Ability to shut off water remotely
- 🚀 Provides detailed water usage data
Room to improve
- 🐛 Inaccurate fixture detection
- 🐛 Frequent false alarms and water shutoffs
- 🐛 Buggy app with connectivity issues
- 🐛 Limited customization and control options
- 🐛 Inconsistent water usage tracking
Sunnova
From 844 App Store ratingsWhat we love
- 👍 Easy to use
- 🚀 Intuitive interface
Room to improve
- 🐛 App crashes frequently
- ⚠️ Unreliable data
- 🔒 Login issues
- 💸 Poor customer service
- 🔋 Drains battery quickly
Bugs and requests
Flo by Moen™
Reported bugs
5 issues- App crashes and freezes
- Inability to connect devices to WiFi
- Incorrect water usage data and categorization
- Water shutoffs during normal usage
- Sensor connectivity issues and failures
Requested features
6 requests- Ability to customize fixture types
- More granular water usage reporting
- Automated home/away mode
- Integration with more smart home platforms
- Improved app responsiveness and stability
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- Better leak detection sensitivity
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
In-app purchases
Flo by Moen™
No in-app purchases
Sunnova
No in-app purchases
