Comparison

Flo by Moen™ vs AC911

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

Head to head
About

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.

Highlights
  • Guided device migration
  • Step-by-step instructions
  • Water damage protection device transfer
  • Leak detector device transfer
  • App deactivation guidance
Features
Read full description

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.

About

AC911

Features
Read full description

Reduce the Cost of Ownership AC911 can reduce your HVAC system’s operating costs. It provides precise temperature control, reducing energy usage. This smart thermostat app also ensures you get the services you need when you need them. It incorporates the following innovative features: • Remote monitoring • Predictive maintenance alerts • One-touch appointment booking • Service at the touch of a button A crisp LCD screen ensures all functions are easy to find and use. Is your home not comfortable or are energy costs going up? Use the onscreen service request feature to get prompt assistance from your local HVAC company. Get the Most Out of Your Climate Control System The AC911 app lets you control and monitor temperature, fan speed, and other functions via the main control panel or a smartphone. The future of home comfort and on-demand service, it delivers benefits including: • Smart Notifications: Receive instant notifications on changes in system performance so you can be proactive with maintenance. • Real-Time Monitoring: By monitoring the health of your HVAC system, AC911 can provide predictive maintenance alerts, which can prevent downtime and increase equipment lifespan. • Service Alerts: Receive notifications of service reminders, membership renewals, and more. Even receive custom messages from your HVAC provider. • Diagnostic Tools: An overview of system health and air quality are available at the touch of a button, at no extra cost. • System Health and Air Quality Alerts: If a problem with your climate control system or an indoor air quality issue is detected, you and your service provider will be automatically notified. Quick and Simple Installation The convenience of a AC911 thermostat begins even before you start using it. Swapping out an old unit is simple. A technician removes the old thermostat, mounts the new one, and connects the wiring. They’ll even help you set up the app. The new model’s settings are adjusted to meet your climate control requirements. It provides an instant response so you experience immediate comfort. Settings from the old thermostat instantly transfer over using the serial numbers of both units, so the process is fast, simple, and convenient. Forge an Instant Connection with Your HVAC Provider The AC911 thermostat and app display your HVAC company’s logo onscreen. Their help is available at the touch of a button, so you can put your trust and confidence in a local contractor. It’s not just a modern thermostat. AC911 is a direct link between you and your AC/heating services provider. Be a Part of the NuveNetwork Nuve has partnered with local HVAC companies so you benefit from new services and smart technologies. Real-time access to your system allows contractors to quickly diagnose and resolve system issues. This can result in fewer emergency calls and in-home visits, so you can save time and money. Get Started Today Getting a AC911 thermostat and app is easy. Once you’re ready, a representative will contact you and schedule an appointment. Visit the App Store or contact your HVAC dealer to learn more.

Screenshots

Flo by Moen™3 screens
AC9114 screens

Verdict

The call

The clearest difference is iOS requirement: AC911 at 13.0 against Flo by Moen™'s 15.0. On price, update cadence, ads and in-app purchases 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

Flo by Moen™ ships an update every 2 months, AC911 every 3 months. The most recent releases landed on October 24, 2026 and October 12, 2026 respectively.

Scorecard1 real difference · 9 level
Flo by Moen™ versus AC911: the parameters behind the verdict, then further details
ParameterFlo by Moen™AC911
PriceFreeFree
Rating4.0 (1.9K ratings) — better—
Positive reviews35.5% of reviews—
Number of ratings1.9K — better—
Update frequencyEvery 2 months — betterEvery 3 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.013.0 — better
Further details — not scored
Size73 MB61 MB
Age rating4+4+
DeveloperFlo TechnologiesNuve Home

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
Show 1 more
  • Better leak detection sensitivity

AC911

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Flo by Moen™

No in-app purchases

None

AC911

No in-app purchases

Questions

Is Flo by Moen™ free?
Flo by Moen™ is free to download, with no in-app purchases.
Is AC911 free?
AC911 is free to download, with no in-app purchases.
Do Flo by Moen™ or AC911 have ads?
Neither Flo by Moen™ nor AC911 shows ads.
Which is updated more often, Flo by Moen™ or AC911?
Flo by Moen™ ships an update every 2 months, and AC911 every 3 months. Most recently, Flo by Moen™ was updated on October 24, 2026 and AC911 on October 12, 2026.

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