LiveHeat vs Warmly Pro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
LiveHeat
This app displays real-time core body temperature directly on your Apple Watch, independent of your iPhone. It visualizes temperature zones with color-coding and a position needle, and can pair with heart rate monitors for a combined view. Track time spent in each zone and customize settings for personalized training.
- 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
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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.
Warmly Pro
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Life gets busy. Weeks turn into months. Suddenly you realize you have not called Mom in ages or checked in on your best friend. Warmly is the relationship maintenance app that makes sure that never happens again. Warmly gives every contact a relationship temperature. When you stay in touch, the temperature stays warm. Let too much time pass and it cools down. At a glance, you can see exactly who needs your attention right now. RELATIONSHIP TEMPERATURE Your connections have a pulse. Warmly calculates a live temperature for each person based on your contact cadence. Warm means you are on track. Cool means it is time to reach out. Miss means someone is waiting to hear from you. No other app gives you this emotional snapshot of your social health. SMART REMINDERS Set your own cadence for each person. Weekly for your best friend, monthly for that college buddy, or quarterly for a mentor. Warmly sends a gentle nudge when it is time to reconnect. No guilt, no pressure, just a friendly tap on the shoulder. ONE-TAP LOG TOUCH Called, texted, grabbed coffee, or video chatted? Log it with a single tap. Your interaction timeline builds itself so you always know when you last connected and what you talked about. CONTACT GROUPS AND TAGS Organize people into groups like Family, Close Friends, or Work. Assign a default cadence to each group so new contacts inherit the right frequency automatically. Use tags for even finer control. BIRTHDAY REMINDERS Never miss a birthday again. Warmly imports birthdays from your contacts and sends advance reminders so you can prepare something special. HOME SCREEN WIDGET See who needs attention right from your home screen. The Warmly widget shows the people whose temperatures are dropping so you can act fast. PRIVACY FIRST All your data stays on your device. Warmly does not collect, upload, or share any personal information. Your relationships are your business. FREE TO START Track up to 5 people for free with full features including reminders, logging, and the widget. Unlock unlimited contacts, tags, and groups with a one-time Pro purchase. No subscriptions, no recurring fees. Warmly is for anyone who values relationships but sometimes needs a little help staying connected. Download now and keep the people you care about close.
Screenshots
Verdict
The clearest difference is price: Warmly Pro at Free against LiveHeat's $9.99. LiveHeat's advantage is in-app purchases (none vs 1). On ads, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Warmly Pro is free to download; LiveHeat costs $9.99 up front. Warmly Pro sells 1 one-off in-app purchase. LiveHeat asks for nothing beyond the download.
| Parameter | LiveHeat | Warmly Pro |
|---|---|---|
| Price | $9.99 | Free — better |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Weekly | — |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | — |
| Devices | iPhone, Apple Watch | iPhone, iPad |
| Requires iOS | 17.0 | 17 |
| Further details — not scored | ||
| Size | 2 MB | 2 MB |
| Age rating | 4+ | 9+ |
| Developer | Nils Albertsen | 贺 周 |
In-app purchases
LiveHeat
No in-app purchases
Warmly Pro
- Warmly Pro Unlock$2.99









