Native Oura, Whoop, and Apple Watch integration. AI weekly insights that explain how your HRV, sleep, and mood move together. Not another chart you have to read yourself.
Heart rate variability is one of the strongest physiological signals of stress, recovery, and emotional state. Low HRV tends to correlate with stress and fatigue. High HRV tends to correlate with rest and resilience.
Mood trackers that ignore HRV are missing the single most useful data point for understanding why you feel the way you feel. Mood trackers that show HRV as a separate chart are better, but they leave the work of interpretation to you.
Therma is built to do the interpretation work. The AI weekly insight reveal connects your HRV to your sleep, your caffeine, your workouts, your conversations, and your mood, then tells you what the pattern is.
Most mood-tracking apps that claim HRV support are routing data through Apple Health. That works for a rough number but loses the granular context your wearable actually captures. Therma is being built with direct integrations.
Every week, Therma produces a short narrative that connects your mood entries to the health data your wearables captured. Not a chart dump. A paragraph that tells you what happened.
You might learn that your HRV dropped 12 percent on nights when you had more than one drink, or that your best days started with workouts scheduled before 9 AM, or that your mood dipped the day after a deep conversation you had not processed yet. Patterns you would never catch yourself, because you are not sitting down with a spreadsheet on Sunday night.
The insight reveal is the core of Therma. The daily check-in is the raw material. Your wearable data is the context. The AI is the interpreter.
A few other apps touch HRV. Most of them are HRV-first tools with a mood slider bolted on, or chronic-illness trackers that happen to pull HRV through Apple Health. Therma is the opposite: a mood-first tool with deep HRV built in from the start.
If you are comparing options, the full ranked roundup of the six best mood trackers that connect to HRV goes deeper on each one.
If you are specifically evaluating Bearable (the most common alternative for this use case), see the Therma vs Bearable comparison for a full breakdown.
An HRV mood tracker is an app that connects your heart rate variability data to your daily mood logs. HRV is one of the strongest physiological signals of stress, recovery, and emotional state. An HRV mood tracker pulls HRV from a wearable like Oura, Whoop, or Apple Watch and lets you see it alongside how you actually felt, so you can understand why your HRV was low on a given day or why a low HRV morning turned into a high stress afternoon.
Yes. Therma is being built with native Oura integration, which means it pulls sleep stages, HRV, readiness, and recovery data directly from Oura rather than routing through Apple Health. Native integration preserves more data fidelity than the Apple Health bridge most mood trackers use.
Yes. Therma supports Whoop and Apple Watch alongside Oura. Whoop is especially important because Whoop does not push data to Apple Health by default, so most mood trackers cannot see Whoop HRV at all. Therma connects to Whoop directly.
HRV is one of the most useful biometrics for understanding emotional state. Low HRV correlates with stress, fatigue, poor recovery, and often a rougher mood. High HRV correlates with rest, calm, and good recovery. A mood tracker that does not see HRV is missing one of the most load-bearing variables in the picture. A mood tracker that sees HRV but does not explain what it means is still leaving the work to you.
Welltory and HRV4Training are HRV-first apps that added mood logging. Therma is a mood-first app that integrates HRV deeply. If the question you are asking is "what is my HRV today," Welltory or HRV4Training are purpose-built for that. If the question you are asking is "why do I feel the way I feel today and what does my HRV tell me about it," Therma is built around that question.
Yes. Therma is end-to-end encrypted by default, which means even the Therma team cannot read your mood entries or see your HRV trends. HRV data is pulled in with your explicit permission for each device and can be disconnected at any time.
Therma is in waitlist phase with iOS launch planned for Q2 2026. Join the waitlist to get early access and first-wave invites when the app opens.
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