空律 EmptyRhythm

Smart intermittent fasting tracker
with AI-powered personalization

Download on the App Store

One-time purchase · $3.99 · No subscription

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Precision Timer

Ring progress display with background persistence and system time sync.

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AI Plans

Personalized fasting plans based on your BMI, age, and lifestyle using on-device AI.

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Food Database

14,999 foods in English, German & French with calories and nutritional data.

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Photo Recognition

Snap a photo to identify food and estimate calories — processed entirely on device.

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Weight Tracking

Weight chart, trend analysis, and AI-powered goal timeline prediction.

❤️

Apple Health

Syncs steps, heart rate, and calories for personalized exercise warnings.

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Privacy First

All health data stays on your device. No servers, no tracking, no ads.

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3 Languages

Full support for English, German, and French.