246+ iOS apps curated and reviewed
The best indoor thermostat apps on iPhone average 4.0★ across 246+ titles — we've ranked them by what real users actually keep on their phones. Updated August 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.2★ (2.6K) | Yes | No | Sep 2026 |
| 2 |  | Free | 4.6★ (240K) | No | No | Sep 2026 |
| 3 |  | Free | 4.3★ (76K) | No | No | Sep 2026 |
| 4 |  | Free | 4.2★ (2.1K) | Yes | No | Aug 2026 |
| 5 |  | Free | 4.5★ (394) | Yes | No | Aug 2026 |
| 6 |  | Free | 4.6★ (2.6M) | No | No | Sep 2026 |
| 7 |  | Free | 4.0★ (37) | Yes | Yes | Aug 2026 |
| 8 |  | Free | 4.3★ (13K) | Yes | Yes | Sep 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.
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.
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.
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.
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.
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.
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 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 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.
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.
Monitor and adjust your Venstar thermostat's temperature, humidity, and fan settings directly from your phone. View current and historical runtime data. Receive optional notifications for state changes.
