247+ iOS apps curated and reviewed
The best digital thermometer bluetooth apps on iPhone average 3.9★ across 247+ 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 | 4.0★ (49) | No | Yes | Sep 2026 | |
| 2 |  | Free | 5.0★ (1) | No | Yes | Sep 2026 | |
| 3 |  | Free | 3.7★ (3) | Yes | No | Jul 2026 | |
| 4 |  | Free | 1.7★ (12) | No | No | Oct 2026 | |
| 5 |  | Free | 4.6★ (141K) | No | No | Oct 2026 | |
| 6 |  | Free | 3.3★ (14) | No | No | May 2026 | |
| 7 |  | Free | 4.8★ (5.8K) | No | No | Oct 2026 | |
| 8 |  | Free | 4.5★ (224) | Yes | Yes | Oct 2026 |
This app transforms your smartphone into a precise digital thermometer. It displays real-time indoor room temperature, outdoor weather, and humidity levels with a classic retro interface. Customize themes and switch between Celsius and Fahrenheit for easy climate monitoring.
This utility app connects to compatible Bluetooth low energy thermometer hardware. It displays real-time temperature readings and offers both a thermometer view and a graph view for data visualization. Ideal for DIY projects and custom temperature monitoring setups.
This app displays the current temperature based on your GPS location. It also shows atmospheric pressure, moisture, and city information. A widget provides quick access to temperature, city, and humidity.
