Zero

An intermittent fasting app with a fasting timer, photo-based meal logging and a daily protein score.

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About Zero

Zero is built around fasting. A single tap starts a fast, a timer tracks progress in real time, and over time the app surfaces personalised insights based on your patterns.

Meals can be logged by photo or by typing a description, with protein shown first, and a Protein Score balances calorie needs against a protein target to fit a shorter eating window. It also tracks hydration. Zero is available for iOS and Android.

Strengths

  • One-tap fasting timer
  • Meal logging by photo or text description
  • Single Protein Score instead of detailed macro math
  • Hydration tracking

Limitations

  • Mobile only, no web version
  • Less detailed nutrient tracking than full calorie counters
  • Closed-source service

Details

Pricing
FreemiumFree to download, with a paid subscription for additional features.
License
Proprietary
Developer
Zero Longevity
Platforms
Android, iOS
How it runs
Downloadable app
Best suited for
People practising intermittent fasting who want simple protein tracking
Last verified
Added
Provenance
Selected from the TechWalrus Resource Hub (Wearables & Fitness Tech); facts checked against the developer's own pages, 2 sources on file.

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