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Tools
Health & fitness analytics
8 tools compared: how each is priced, where it runs, and what to consider instead.
| Tool | Pricing model | Free tier | Open source |
|---|---|---|---|
| Apple Health Free, built-in iPhone health data hub that aggregates metrics from Apple Watch and third-party apps into one private dashboard. | Free | Yes | No |
| Cronometer Nutrition-tracking app that logs up to 84 micronutrients against custom targets, free for basic use with a paid Gold tier for advanced tools. | Free tier + paid | Yes | No |
| Garmin Connect Free companion app and analytics platform for Garmin watches and devices, covering training load, sleep, and health metrics. | Free tier + paid | Yes | No |
| intervals.icu Free, device-agnostic training-analytics platform for endurance athletes, with a low-cost paid tier for advanced features. | Free tier + paid | Yes | No |
| Oura Smart ring that tracks sleep, readiness, and activity, sold as hardware plus a required monthly membership for full analytics. | Free tier + paid | No | No |
| Strava Free social fitness app that reads activity data from any GPS watch or phone, with a paid subscription for deeper training analysis. | Free tier + paid | Yes | No |
| TrainingPeaks Structured training-plan and performance-analytics platform for endurance athletes and coaches, with optional paid coaching tiers. | Free tier + paid | Yes | No |
| WHOOP Screenless wrist-worn fitness tracker sold as a membership, with strain, recovery, and sleep analytics rather than a one-time device purchase. | Subscription | No | No |