Carrier SmartHome vs Markool
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Carrier SmartHome
Control your home's comfort remotely with this app. Adjust temperature, set custom schedules, monitor energy usage, and receive important alerts. It offers a personalized and efficient way to manage your home's climate.
- Remote temperature and humidity control
- Customizable smart schedules
- Energy usage monitoring
- Real-time system alerts
- Personalized comfort settings
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Carrier SmartHome is your go-to app for managing and personalizing your home’s comfort experience! With a sleek, intuitive design and enhanced features, Carrier SmartHome makes it easier than ever to control your compatible Carrier system remotely, set customized schedules, monitor energy use, and get real-time alerts to ensure your home is always just the way you like it. Key Features: • Remote Control: Adjust temperature, humidity, and settings from anywhere. • Smart Schedules: Create custom schedules to match your routine and save on energy costs. • Energy Insights: Track usage trends to optimize efficiency. • Real-Time Alerts: Receive notifications if anything needs attention, from filter changes to unexpected system performance. With Carrier SmartHome, we’re redefining what home comfort means. Download now and enjoy complete control at your fingertips! This app is compatible with iPhone iOS 15.1 or later.
Markool
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Reduce the Cost of Ownership Markool 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 Markool 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, Markool 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 Markool 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 Markool 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. Markool 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 Markool 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
Verdict
The clearest difference is update cadence: Carrier SmartHome at fortnightly against Markool's every 3 months. Markool's advantage is iOS requirement (13.0 vs 15.1). On price, ads, in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Carrier SmartHome ships an update fortnightly, Markool every 3 months. The most recent releases landed on October 14, 2026 and October 7, 2026 respectively.
| Parameter | Carrier SmartHome | Markool |
|---|---|---|
| Price | Free | Free |
| Rating | 3.6 (2.5K ratings) — better | — |
| Positive reviews | 11.3% of reviews | — |
| Number of ratings | 2.5K — better | — |
| Update frequency | Fortnightly — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.1 | 13.0 — better |
| Further details — not scored | ||
| Size | 192 MB | 61 MB |
| Age rating | 4+ | 4+ |
| Developer | Carrier Corporation | Nuve Home |
Bugs and requests
Carrier SmartHome
Reported bugs
6 issues- App freezes and becomes unresponsive
- Operating status not in sync with wall controller
- Notifications don't work or are delayed
- AQI data is inaccurate for user's location
- Temperature changes not reflected in app
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- Compatibility issues with iOS 18.3.1 update
Requested features
5 requests- Show system operating status (heating, cooling)
- Display energy consumption details
- Add more temperature schedule options
- Integrate with Apple HomeKit
- Show outside temperature measured by the system
Markool
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Carrier SmartHome
No in-app purchases
Markool
No in-app purchases









