206+ iOS apps curated and reviewed
The best indoor thermostat apps on iPhone average 3.8★ across 206+ titles — we've ranked them by what real users actually keep on their phones. Updated July 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.2★ (793) | Yes | No | Jul 2026 |
| 2 |  | Free | 4.3★ (1.9K) | Yes | No | Jul 2026 |
| 3 |  | Free | 4.6★ (234K) | Yes | No | Jul 2026 |
| 4 |  | Free | 4.1★ (35) | Yes | Yes | Jul 2026 |
| 5 |  | Free | 4.3★ (13K) | Yes | Yes | Jul 2026 |
| 6 |  | Free | 4.6★ (2.5M) | Yes | No | Jul 2026 |
| 7 |  | Free | 4.3★ (75K) | No | No | Jul 2026 |
| 8 |  | Free | 4.8★ (198K) | Yes | Yes | Jul 2026 |
This app provides real-time temperature readings for both indoor room environments and outdoor locations worldwide. It offers detailed weather forecasts, including hourly and daily predictions, wind speed, humidity, and sunrise/sunset times. Easily monitor your home comfort or plan your travels with location-based weather information.
This app provides accurate indoor temperature readings in Celsius and Fahrenheit, along with outdoor weather context. It offers outfit suggestions, seasonal lifestyle tips, and the ability to create and share custom temperature cards with themed wallpapers.
Control your home's climate remotely with a smart thermostat. Adjust temperature, set schedules, and receive alerts from anywhere. Integrates with popular smart home platforms for seamless control.
This app provides real-time indoor room temperature and outdoor weather updates. It also monitors humidity levels and wind speed, offering a convenient way to stay informed about your climate.
Displays the current temperature for your location using a weather service. Offers a clean, rustic interface and allows saving multiple locations. Not a true thermometer, it relies on external data for accuracy.
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.
Remotely monitor and control your home's heating and cooling system from anywhere. Adjust schedules, set temperatures, and receive alerts for your connected thermostats. Offers weather forecasts and multi-location management.
Control your smart home devices, including thermostats, cameras, and sensors. Automate your home for comfort and peace of mind, and monitor entryways and cabinets with intelligent alerts. Save energy with custom schedules and find potential rebates.
This app transforms your iPhone or iPod Touch into a thermometer, displaying the exact outside temperature based on your current location. It provides detailed local weather conditions and allows you to check temperatures for other cities.
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.
Control your home's heating system remotely with this intuitive application. Adjust temperatures, set schedules, and manage unexpected events to optimize comfort and save energy. Compatible with multiple thermostats and users.
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 monitor and adjust your home's temperature using your smartphone. This app connects to a smart thermostat system via the internet and radio frequency technology to provide convenient control.
Control your home's air quality remotely with this app. Adjust temperature, humidity, and freshness, and receive alerts for air quality events. Manage multiple devices and schedules for optimal comfort and energy savings.
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.
This app helps you monitor the indoor temperature of your room. It offers unlimited weather details and temperature checks with an ad-free experience through a premium subscription. Various subscription plans are available for extended access.
Control your home's heating, cooling, and ventilation remotely with this smart thermostat app. Adjust temperature, manage schedules, and receive alerts from anywhere, anytime. Integrates energy management and utility demand response for efficient home climate control.
Monitor cooking, BBQ, and ambient temperatures with compatible Bluetooth and Wi-Fi devices. Features enhanced graphing, alarms with push notifications, and cloud storage for session data. Ideal for professionals and enthusiasts needing precise temperature control.
This smart thermostat learns your temperature preferences and automatically adjusts to conserve energy, potentially saving you up to $100 annually on heating and cooling. It offers customizable schedules, an 'Away' mode for extended absences, and provides reports on your cumulative energy savings.
Control your home's heating and cooling remotely. Set schedules, monitor energy usage, and receive smart alerts for efficient operation. Features presence detection for automatic adjustments.