AutoSleep vs TrainingPeaks

AutoSleep is a sleep-tracking app for Apple Watch and iPhone that records sleep automatically in the background, without requiring the user to start or stop a session. It uses heart rate, motion, and (where available) blood oxygen and wrist temperature data to estimate sleep stages, sleep quality, and a running sleep debt total called the sleep bank. The app integrates with Apple Health and HomeKit, offers a smart alarm that wakes users during a lighter sleep phase, and includes an add-on companion app, AutoSnore, for snore detection. It is sold as a single one-time purchase on the App Store rather than a subscription, and processes data on-device rather than through a cloud account.

TrainingPeaks lets athletes and coaches plan structured workouts, track training load and fatigue, and analyze performance across running, cycling, triathlon, and strength training. It syncs with major devices like Garmin, Wahoo, and Apple Watch and connects athletes with coaches for personalized plans and feedback.

• One-time purchase price with no ongoing subscription fees
• Fully automatic tracking that does not require remembering to start or stop a sleep session
• Detailed metrics including sleep stages, SpO2, respiration rate, and wrist temperature on supported hardware
• On-device processing with no account or login required for basic use

• Deep device and platform integration for data syncing
• Serves both self-coached athletes and coach-led training
• Detailed fitness/fatigue analytics for serious athletes
• Wide range of coached plan tiers to fit different budgets

• Requires an Apple Watch for automatic tracking; iPhone-only use is far more limited
• Advanced metrics like SpO2 and respiration depend on specific newer Apple Watch models
• Interface and terminology (sleep bank, sleep debt) have a learning curve for new users

• Coached plans are expensive relative to typical fitness apps
• Interface can feel complex for casual, non-competitive users
• Primary focus is endurance sports rather than general fitness