250+ iOS apps curated and reviewed
The best room thermometer app free on iPhone average 3.9★ across 250+ titles — we've ranked them by what real users actually keep on their phones. Updated October 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 4.2★ (2.6K) | Yes | No | Oct 2026 | |
| 2 |  | Free | 4.3★ (13K) | Yes | Yes | Oct 2026 | |
| 3 |  | Free | 4.2★ (2.1K) | Yes | No | Oct 2026 | |
| 4 |  | Free | 3.9★ (404) | Yes | No | Oct 2026 | |
| 5 |  | Free | 4.7★ (7.2K) | Yes | Yes | Oct 2026 | |
| 6 |  | Free | 4.4★ (4.2K) | Yes | Yes | Oct 2026 | |
| 7 |  | Free | 4.0★ (37) | Yes | Yes | Sep 2026 | |
| 8 |  | Free | 5.0★ (1) | Yes | Yes | 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.
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.
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.
