219+ iOS apps curated and reviewed
Nest is the household name in thermostat app free room, but it's far from the only option. We track 219+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.6★ (2.5M) | Yes | No | Jul 2026 |
| 2 |  | Free | 4.7★ (7.1K) | Yes | Yes | Jul 2026 |
| 3 |  | Free | 4.4★ (11) | No | Yes | Jul 2026 |
| 4 |  | Free | 4.5★ (255) | Yes | No | Jul 2026 |
| 5 |  | Free | 4.7★ (27K) | No | No | Jul 2026 |
| 6 |  | Free | 4.5★ (1.4K) | No | No | Jul 2026 |
| 7 |  | Free | 4.6★ (566K) | No | No | Jul 2026 |
| 8 |  | Free | 4.7★ (22K) | No | Yes | Jul 2026 |
Control your smart home devices, including thermostats, security systems, cameras, and smoke detectors, all from a single app. Receive alerts, manage schedules, and automate actions based on your presence.
Transform your device into a precise thermometer. Get real-time outdoor temperature, humidity, pressure, and wind data for your current location. Utilizes AI to combine data from multiple sources for accurate, up-to-the-minute weather information.
Monitor your indoor environment and stay updated on outdoor weather conditions with this straightforward thermometer app. Easily track room temperatures and switch between Celsius and Fahrenheit for personalized comfort. Ideal for home, work, or travel.
Monitor indoor and outdoor temperatures in real time with detailed historical data and trend charts. Track temperatures from multiple locations simultaneously and access basic environmental data and converters.
Remotely monitor and control your Daikin, Amana, and Goodman heating and cooling systems from anywhere. Manage multiple locations, adjust settings, and receive important system notifications and energy usage insights.
Remotely manage your compatible smart thermostat from anywhere. Adjust temperature, fan settings, and humidity, or enable special modes like Max heat/cool. The app supports scheduling, geo-fencing, and integration with voice assistants.
Automate your home for enhanced comfort, security, and awareness. This app simplifies control of connected devices, aiming to create a smarter, more comfortable living environment while contributing to a healthier planet.
Estimate and track body temperature trends to monitor potential fever symptoms. Log data, export reports for healthcare providers, and monitor family members' temperatures. Includes features like heart rate estimation and symptom tracking.
This app provides real-time room temperature readings, humidity tracking, and local weather forecasts. It functions as a digital thermometer, temperature sensor, and ambient temperature sensor for home or office use. View temperatures in Celsius or Fahrenheit and monitor your indoor climate for comfort and safety.
Control your home's HVAC system remotely with this app, designed to work with the Comfort Sync A3 thermostat. It offers intelligent features like automatic temperature adjustments based on your location and air quality monitoring for allergy relief.
Manage and optimize your home energy usage with this app. It integrates smart devices and your account to help you track electricity consumption, view bills, and control smart thermostats for improved efficiency and comfort.
Control your home's heating and cooling remotely, set schedules, and monitor energy usage to save money and energy. Integrates with smart home platforms for seamless control.
Control your smart thermostat remotely from your phone. Monitor your home's temperature, receive alerts, and manage energy usage with an intuitive interface. Optimize comfort and save energy with intelligent scheduling and awareness features.
Control your home's heating and cooling remotely for ultimate comfort and energy savings. Set schedules, monitor usage, and receive system alerts from anywhere. Optimize your home's climate intelligently.
Manage your home's heating, cooling, and water heater systems remotely. Optimize energy efficiency, track consumption, and set custom schedules for comfort and savings. Receive alerts for maintenance and system updates.
Control your DITRA-HEAT floor warming system remotely. Adjust schedules, create custom scenes, and utilize geofencing for an optimized and comfortable home environment.
Remotely monitor and control your heating and cooling systems from anywhere. Check current weather, view equipment runtimes, and receive alerts. Easily switch between home and away modes for optimal comfort and energy savings.
Control your smart thermostats from your Apple Watch, iPhone, iPad, and Apple TV. Use Siri voice shortcuts for seamless adjustments, monitor status on your watch face, and manage multiple devices across different homes.
Control your floor heating system remotely. Adjust temperatures, set custom schedules, and monitor energy usage from your mobile device. Manage multiple thermostats for different rooms with ease.
Get real-time temperature and humidity readings, along with daily weather forecasts. This app provides accurate local weather data, detailed 7-day forecasts, and alerts for temperature changes. Monitor air pressure, wind speed, and sunrise/sunset times.