218+ iOS apps curated and reviewed
Every iPhone needs a few good gen4 thermostat apps. We benchmark 218+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | — | No | No | May 2026 |
| 2 |  | Free | 4.5★ (1.4K) | No | No | Jul 2026 |
| 3 |  | Free | 4.6★ (234K) | Yes | No | Jul 2026 |
| 4 |  | Free | 4.3★ (75K) | No | No | Jul 2026 |
| 5 |  | Free | 4.8★ (198K) | Yes | Yes | Jul 2026 |
| 6 |  | Free | 4.6★ (2.5M) | Yes | No | Jul 2026 |
| 7 |  | Free | 4.8★ (149K) | Yes | No | Jul 2026 |
| 8 |  | Free | 2.8★ (25) | No | No | May 2026 |
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.
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.
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.
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.
Manage your home's essential systems remotely. Control thermostats, locks, lights, and cameras from your smartphone. Create custom automations and device groups for simplified home management.
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.
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.
Control your home's heating and cooling remotely via Wi-Fi. This smart thermostat learns your habits and adapts to outdoor weather for optimal comfort and energy savings. View energy reports and receive customized tips to maximize efficiency.
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.
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 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.
Effortlessly manage your home's heating and cooling system. Adjust temperatures, create custom schedules, and monitor your thermostat remotely for ultimate comfort and energy savings. Enjoy peace of mind with professional installation and reliable performance.
Effortlessly manage your home's climate from anywhere with this intuitive app. Connect your devices via HomeKit to set custom schedules, monitor individual room temperatures, and receive real-time notifications for optimal comfort and energy efficiency.
Manage your home's heating, cooling, and hot water systems remotely. Optimize energy usage, set custom schedules, and receive important alerts for maintenance and system performance. This app helps homeowners save on utility bills and maintain ideal comfort levels.
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 iPhone or iPad. This app allows you to manage your home's temperature from anywhere in the world, saving energy and money with its self-programming features. Enjoy convenient operation and a user-friendly interface.
Control your home's HVAC system remotely with this app, allowing you to adjust temperatures, set schedules, and monitor air quality. It offers smart features like location-based temperature adjustments and advanced warnings for potential system issues.
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.