Comparison

Sentry Pro vs Green Factor

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

Head to head
About

Sentry Pro

Receive instant alerts for all Tesla Sentry Mode events, not just alarms. This app provides real-time notifications and allows you to program automatic deterrent actions like honking or flashing lights. Stay informed and ensure your vehicle's security from anywhere.

Highlights
  • Real-time Sentry Mode notifications
  • Automatic honk/flash deterrent actions
  • Monitor multiple Tesla vehicles
  • Privacy-focused authentication
  • Deter potential threats
Features
Read full description

The original Tesla app notifies you only when the car alarm goes off. To receive notifications for all Tesla Sentry Mode events you need this app! No more surprises when you return to your vehicle - stay connected and safe by receiving notifications on Sentry events. With Sentry Pro, you'll always be in the know, anytime and anywhere. You can also program the vehicle to automatically honk or flash the lights in order to deter threats. Key Features: - Real-time Notifications: Receive instant notifications when Sentry Mode activates. - Automatic actions: Program your vehicle to automatically honk the horn or flash the lights when a threat is detected. - Scheduled Sentry Mode: Automatically turn Sentry Mode on and off at set times every day to reduce battery drain during low-risk hours. - Stay Safe: Stay one step ahead of potential incidents or threats. - Peace of Mind: Ensure your Tesla's protection and your peace of mind. - Privacy Protection: Rest easy knowing that safeguarding your privacy is our top priority. * Sentry Pro support multiple vehicles with a single subscription! We don't collect any personal data from you - no names, emails, passwords or phone numbers required. You authenticate directly with Tesla, and Sentry Pro never handles your password. Notifications arrive anonymously directly to your phone. * Sentry Pro is developed by Sentry Brain S.M.P.C., an Approved Tesla Fleet API developer * Try it for free! Questions or need help? Reach out to us at support@sentrypro.app EULA: https://sentrypro.app/terms/

About

Green Factor

Features
Read full description

Reduce the Cost of Ownership Green Factor 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 Green Factor 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, Green Factor 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 Green Factor 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 Green Factor 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. Green Factor 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 Green Factor 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

Sentry Pro4 screens
Green Factor4 screens

Verdict

The call

The clearest difference is in-app purchases: Green Factor at none against Sentry Pro's 4. Green Factor also leads on iOS requirement (13.0 vs 15.0). Sentry Pro's advantage is update cadence (every 2 weeks vs every 6 months). On price, ads and device support 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. Sentry Pro sells 4 in-app purchases, starting at $5.99 per month. Green Factor asks for nothing beyond the download.

UpkeepUpdate frequency

Sentry Pro ships an update every 2 weeks, Green Factor every 6 months. The most recent releases landed on October 22, 2026 and October 18, 2026 respectively.

Scorecard3 real differences · 7 level
Sentry Pro versus Green Factor: the parameters behind the verdict, then further details
ParameterSentry ProGreen Factor
PriceFreeFree
Rating4.5 (1K ratings) — better—
Positive reviews53.6% of reviews—
Number of ratings1K — better—
Update frequencyEvery 2 weeks — betterEvery 6 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.013.0 — better
Further details — not scored
Size43 MB63 MB
Age rating4+4+
DeveloperSENTRY BRAIN SINGLE MEMBER P.C.Nuve Home

Bugs and requests

Sentry Pro

Reported bugs

3 issues
  • Unable to log in or connect to Tesla account
  • Notifications not working as expected
  • Subscription issues and billing problems

Requested features

4 requests
  • Add scheduling options for alerts
  • Integrate with Tesla app for seamless experience
  • Provide more detailed event information
  • Allow customization of notification settings

Green Factor

Not enough reviews yet to summarise bugs or requests.

In-app purchases

4 purchases

Sentry Pro

Subscriptions3
  • Monthly Sentry Pro Subscription7 Days trial$5.991 Month
  • Yearly subscription/Single Veh7 Days trial$34.991 Year
  • Yearly SentryPro Subscription7 Days trial$49.991 Year
One-time1
  • Lifetime$133.99
None

Green Factor

No in-app purchases

Questions

Is Sentry Pro free?
Sentry Pro is free to download, with in-app purchases available.
Is Green Factor free?
Green Factor is free to download, with no in-app purchases.
Do Sentry Pro or Green Factor have ads?
Neither Sentry Pro nor Green Factor shows ads.
Which is updated more often, Sentry Pro or Green Factor?
Sentry Pro ships an update every 2 weeks, and Green Factor every 6 months. Most recently, Sentry Pro was updated on October 22, 2026 and Green Factor on October 18, 2026.

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