248+ iOS apps curated and reviewed
Looking for free heat thermometer apps? 20 of our 248+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free was $2.99 | 4.0★ (49) | No | Yes | Sep 2026 | |
| 2 |  | Free | 4.6★ (7.6K) | No | Yes | Sep 2026 | |
| 3 |  | Free | 4.3★ (13K) | Yes | Yes | Sep 2026 | |
| 4 |  | Free | 5.0★ (1) | No | No | May 2026 | |
| 5 |  | Free | 4.4★ (4.2K) | Yes | Yes | Sep 2026 | |
| 6 |  | Free | 4.6★ (141K) | No | No | Sep 2026 | |
| 7 |  | Free | — | No | No | May 2026 | |
| 8 |  | Free | — | No | No | May 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 app transforms your smartphone into a thermal imaging device when connected to a compatible camera. It helps identify hidden issues like water damage, electrical faults, and HVAC problems with advanced visual enhancements and measurement tools. Document and share your findings easily.
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.
