250+ iOS apps curated and reviewed
If you already know Thermometer, this is the deeper bench. 250+ thermostat app free for iPhone, all reviewed and ranked by user rating, recency, and download trend as of August 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.2★ (2.6K) | Yes | No | Aug 2026 |
| 2 |  | Free | 4.7★ (7.2K) | Yes | Yes | Aug 2026 |
| 3 |  | Free | 4.3★ (76K) | No | No | Aug 2026 |
| 4 |  | Free | 4.6★ (240K) | No | No | Aug 2026 |
| 5 |  | Free | 4.6★ (2.6M) | No | No | Aug 2026 |
| 6 |  | Free | 4.3★ (13K) | Yes | Yes | Aug 2026 |
| 7 |  | Free | 4.5★ (394) | Yes | No | Aug 2026 |
| 8 |  | Free | 4.6★ (571K) | No | No | Aug 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.
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.
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 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.
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.
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.
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.
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.
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.
Manage all your smart home devices from a single, intuitive application. Organize devices by room, create custom scenes, and automate tasks with timers and schedules. Supports multiple homes for comprehensive control.
Monitor your indoor room temperature and get real-time outdoor weather updates. Easily switch between Celsius and Fahrenheit to stay in control of your comfort and environment, whether at home or on the go.
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.
Gain complete control over your electric heating system to manage energy consumption and reduce bills. This app allows remote adjustments to temperature, scheduling, and room-specific settings from anywhere.
Control your home's heating, cooling, and air renewal system remotely. Adjust temperature, manage unit operations, and optimize consumption from your smartphone or tablet. Integrates with voice assistants for hands-free control.