aisumate

Sleep Cycle

★ 4/5 · Other

Sleep tracking app that analyzes your sleep with your phone's microphone and wakes you during your lightest sleep phase.

Pros

• Uses phone accelerometer/microphone for sleep tracking without wearables
• smart alarm wakes during lightest sleep phase
• full premium includes heart rate via Apple Watch

Cons

• Requires keeping phone in bed overnight
• free version has limited statistics
• premium pricing varies by region and app store

Cost

Free (basic features); $39.99-$49.99/year Premium; $2.99/month or $39.99/year Premium tier

Verdict

Best for budget-conscious sleepers wanting smartphone-based sleep tracking with smart wake features.

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