# LiveHeat — Real-time core temp on Watch. > Real-time core body temperature and heart rate display for Apple Watch. (iPhone/iPad app by Nils Albertsen.) - Source: https://appshunter.io/ios/app/liveheat/id6761732320 (this page in markdown: same URL + `.md`) - Developer: [Nils Albertsen](https://appshunter.io/developer/1891145155) - Category: Utilities - Price: $9.99 - Rating: 5.00/5 from 1 App Store ratings · 1 written reviews indexed - Age rating: 4+ - Requires: iOS 14.0 · 2 MB - Languages: American English - Released: 2026-04-10 - Data updated: 2026-10-08 - Monetization: paid - User reviews in markdown: https://appshunter.io/ios/app/liveheat/id6761732320/reviews.md ## What is LiveHeat? The only Watch app that shows your CORE body temperature in real time, no iPhone needed. STANDALONE ON YOUR WRIST Most sports sensors need your phone nearby to display data. LiveHeat connects directly to your CORE sensor over Bluetooth and streams live readings to your Apple Watch, every second, hands-free, whether your phone is in your bag or at home. 4 TEMPERATURE ZONES AT A GLANCE Color-coded zones show exactly where your body is: - Baseline: normal resting temperature - Elevated: body beginning to heat - Heat Training: optimal training window - Danger: take action now A live position needle shows where you are within each zone, not just which zone you're in. HEART RATE + TEMP TOGETHER Pair a Bluetooth HR strap (Polar H10, Garmin, and others) simultaneously. See your core temp and heart rate side by side with independent zone indicators on a single screen. ZONE TIME TRACKING Track how long you've spent in each temperature zone during your session. Daily totals reset at midnight. Ideal for heat acclimatization protocols and training load monitoring. FULLY CUSTOMIZABLE Adjust temperature zone boundaries to match your physiology Set custom heart rate zone thresholds Toggle between °C and °F All settings sync instantly, no app restart needed WHO IT'S FOR Built for endurance athletes, cyclists, triathletes, and anyone using heat training or heat acclimatization protocols. If you wear a CORE sensor, this app turns your Watch into a dedicated real-time display, the one you've been waiting for. COMPATIBILITY Requires Apple Watch and a CORE body temperature sensor (by greenTEG). Compatible with any Bluetooth Low Energy heart rate monitor. Apple Watch is a trademark of Apple Inc. CORE is a trademark of greenTEG AG. This app is not affiliated with or endorsed by greenTEG AG. ## Key features - Real-time core body temperature display - Standalone Apple Watch app - Color-coded temperature zones - Heart rate and temperature pairing - Zone time tracking - Customizable temperature and HR zones ## Is LiveHeat safe? Not enough ratings yet to assess LiveHeat. ## Is LiveHeat legit? LiveHeat appears legitimate, with a few gaps. The AppsHunter Legitimacy Score for LiveHeat is 65 out of 100 points across 7 verification signals from App Store and developer data. ## Recent user reviews (1 of 1) All indexed reviews: https://appshunter.io/ios/app/liveheat/id6761732320/reviews.md ### 5/5 — Priceless tool *2026-04-15* This app has been critical to my heat training, allowing me to monitor my core temp in real time on long runs and bike rides! I also have used it for cycle tracking. So crazy this app didn’t exist before. ## Frequently asked questions about LiveHeat ### What is LiveHeat? LiveHeat is an Apple Watch application that displays your real-time core body temperature directly on your wrist. It can also display paired heart rate data and track time spent in different temperature zones. ### Does LiveHeat require an iPhone? No, LiveHeat is designed to be a standalone application on your Apple Watch. It connects directly to your CORE sensor via Bluetooth, meaning your iPhone does not need to be nearby to display data. ### How does LiveHeat show temperature zones? LiveHeat uses color-coded zones to indicate your body's temperature status: Baseline, Elevated, Heat Training, and Danger. A live position needle shows your exact location within these zones. ### Can I see my heart rate with LiveHeat? Yes, you can pair a compatible Bluetooth heart rate strap (like Polar H10 or Garmin) with LiveHeat. The app will display your core temperature and heart rate side-by-side on a single screen. ### What is the price of LiveHeat? LiveHeat is available for a one-time purchase of $9.99. There are no subscription fees or in-app purchases required to use its full functionality. ### How often is LiveHeat updated? The latest version of LiveHeat is 1.1.1, which was last updated on April 17, 2026. Updates typically focus on improving performance, adding compatibility, and refining features based on user feedback. ### What devices is LiveHeat compatible with? LiveHeat requires an Apple Watch and a CORE body temperature sensor (by greenTEG). It is also compatible with any Bluetooth Low Energy heart rate monitor. ### Does LiveHeat have ads? No, LiveHeat does not contain any advertisements. As a paid application, it provides an uninterrupted user experience focused on displaying your vital health data. ## Version history (last 3 releases) ### 1.1.1 — 2026-04-17 No changes. Updated marketing images and app description. ### 1.1 — 2026-04-10 Fixed issue with cropping body temp on the second screen and added app version label. ### 1.0 — 2026-04-10 No release notes. ## Apps similar to LiveHeat | App | Rating | Price | Category | | --- | --- | --- | --- | | [Make Time App](https://appshunter.io/ios/app/make-time-app/id1535796091) | 4.0 (1) | Free | Utilities | | [SD Import](https://appshunter.io/ios/app/sd-import/id6761322690) | 3.7 (3) | Free | Utilities | | [Pockethernet](https://appshunter.io/ios/app/pockethernet/id966344406) | 3.7 (17) | Free | Utilities | | [Fedi](https://appshunter.io/ios/app/fedi/id6448916281) | 5.0 (21) | Free | Utilities | | [ZEUS Wallet](https://appshunter.io/ios/app/zeus-wallet/id1456038895) | 4.6 (83) | Free | Utilities | | [Acer Connect](https://appshunter.io/ios/app/acer-connect/id1583146301) | 1.6 (8) | Free | Utilities | ## More apps by Nils Albertsen - [TrueWatt: Power Meter Match](https://appshunter.io/ios/app/truewatt-power-meter-match/id6762059853) - [Swim Structured](https://appshunter.io/ios/app/swim-structured/id6762718830) - [Fuel Perfect: Carb & Hydration](https://appshunter.io/ios/app/fuel-perfect-carb-and-hydration/id6778462293) - [WindWaterSail Forecast](https://appshunter.io/ios/app/windwatersail-forecast/id6805314363) - [SymboCalc](https://appshunter.io/ios/app/symbocalc/id6808098321) All apps by Nils Albertsen: https://appshunter.io/developer/1891145155 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-10-08.*