My Oura Ring told me I was getting sick before I knew I was getting sick.
Wednesday night, I felt fine. Thursday morning, Oura’s readiness score was 43 (usually 80+). Body temperature was 0.8°C above baseline. Resting heart rate was elevated by 12 BPM. The app said, “Your body may be fighting something. Consider taking it easy today.”
I ignored it and went to the gym. By Friday, I had a 102°F fever.
Now I trust the ring more than I trust my own body awareness. That’s either amazing or disturbing, depending on how you look at it. Probably both.
The Wearables Worth Buying
Oura Ring (Gen 3) is what I wear 24/7. It’s the best sleep tracker I’ve tested — and I’ve tested most of them. The sleep staging (deep, REM, light, awake) is accurate enough that when I compare it to the medical-grade polysomnography I did for a sleep study, the numbers are close.
What makes Oura special isn’t any single metric — it’s the overnight analysis that synthesizes temperature, HRV, respiratory rate, and movement into a readiness score that actually predicts how I’ll feel the next day. After six months of data, the correlation between my readiness score and my subjective energy level is embarrassingly strong.
$299 for the ring, $6/month for membership. The membership is where all the analysis lives, so it’s effectively required. I find this pricing annoying but the product worth it.
Apple Watch is the best all-rounder. It does more things competently than any other wearable — fitness tracking, heart health monitoring (irregular rhythm notification is literally saving lives), fall detection, blood oxygen, and increasingly sophisticated health trend analysis.
The on-device ML is underappreciated. Every cardio workout, Apple Watch builds a model of your personal fitness. Over months, it learns your patterns and can tell you when your cardio fitness is improving or declining. No cloud processing required — it all happens on your wrist.
If you can only buy one wearable and you have an iPhone, get the Apple Watch. It’s not the best at any single thing, but it’s good-to-great at everything.
Whoop is for people who take training seriously. The strain score quantifies how hard your day was (including both workouts and general life stress), and the recovery score tells you how ready you are for more. Competitive athletes love it because it prevents overtraining — something most of us are bad at managing on feel alone.
$30/month, device included. Expensive compared to a one-time purchase, but the continuous hardware upgrades (they mail you new devices as they release them) justify it for heavy users.
AI Symptom Checkers: Actually Useful Now
Ada Health surprised me. I was skeptical of AI symptom checkers — they seemed like WebMD’s “you probably have cancer” anxiety machine powered by AI. But Ada asks detailed, intelligent follow-up questions that narrow down possibilities in ways that feel clinical. When I used it for a knee pain issue, its top three suggestions included the condition my orthopedist eventually diagnosed.
It’s not a replacement for seeing a doctor. But it’s a meaningful step up from Googling symptoms and reading terrifying Reddit threads at 2 AM.
The Mental Health Tools
I’ll be honest: I was the most skeptical about AI mental health tools. Therapy requires empathy, nuance, and human connection — things AI fundamentally lacks.
But Woebot changed my mind, at least partially. It’s based on cognitive behavioral therapy (CBT), and CBT is highly structured — which plays to AI’s strengths. Woebot doesn’t try to be your therapist. It teaches you CBT techniques (identifying cognitive distortions, challenging negative thoughts, behavioral activation) through conversation. It’s therapy homework, automated and available at 3 AM when your anxiety doesn’t care that your therapist is asleep.
It’s not a replacement for professional therapy. Nothing is. But as a supplement between sessions, or as a starting point for people who can’t afford or access a therapist, it’s genuinely helpful.
What I Worry About
Privacy is the big one. My Oura Ring knows my sleep patterns, heart rate, body temperature, menstrual cycle (for women users), and can probably infer my stress levels and alcohol consumption. That’s incredibly personal data. Oura’s privacy policy is reasonable, but the data exists, and data can be breached or subpoenaed.
Anxiety from over-monitoring. I know people who check their HRV 15 times a day and panic when it dips. Their wearable is making them less healthy, not more. The data is a tool, not a scorecard. Check your trends weekly, not your raw numbers hourly.
Accuracy limitations. Consumer wearables are not medical devices (with a few FDA-cleared exceptions like Apple Watch’s AFib detection). They provide wellness insights, not diagnoses. The person who skips the ER because their Apple Watch shows a normal heart rate is making a dangerous mistake.
My Stack
Oura Ring for sleep and recovery. Apple Watch for daily activity and heart health. Ada Health when I have symptoms I can’t explain. Headspace for meditation when I remember to use it (about twice a week, honestly).
Total cost: about $50/month. For the awareness and data it provides, I consider it money well spent. The key is using it to make better decisions — sleeping more when recovery is low, training harder when readiness is high, seeing a doctor when something looks off — rather than obsessing over numbers for their own sake.
🕒 Last updated: · Originally published: March 14, 2026