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Zero: Fasting & Food Tracker

Intermittent Fasting Timer

Intermittent Fasting BeginnersProtein-Focused Dieters
4.8· 445,187 App Store ratings

Goal fit

How well this app matches common goals (0–10 from our enrichment). Higher means a stronger match.

  • Weight loss10.0/10
  • Body recomposition8.5/10
  • Calorie awareness8.5/10
  • Consistency8.5/10
  • Fat loss8.5/10
  • General health8.5/10
  • Habit building8.5/10
  • Macro tracking8.5/10
  • Meal planning8.5/10
  • Nutrition education8.5/10
  • Weight maintenance8.5/10
  • Muscle gain7.0/10

Who is it for?

Notes from our editorial team.

Best for

  • Intermittent Fasting Beginners — Provides clear structure and educational content to start a fasting routine.
  • Protein-Focused Dieters — Ideal for those wanting to track protein intake alongside fasting windows.

Less ideal for

  • Strict Calorie Counters — The app intentionally avoids traditional calorie-counting pressure.
  • Budget-Conscious Users — The premium subscription is expensive compared to simpler alternatives.

Review themes

Recurring topics in App Store reviews—what people praise vs. what frustrates them.

Users frequently report significant weight loss and improved metabolic health, praising the app's clean interface and effective fasting timer. Common frustrations include the high cost of the premium subscription, lack of flexibility in logging ad-hoc fasts, and technical issues with data persistence after long-term use.

Liked themes

  • Fasting timer

    The core timer is intuitive and highly effective for tracking various fasting protocols.

    ~150 mentions

  • Weight loss efficacy

    Users report substantial weight loss and improved body composition.

    ~95 mentions

Disliked themes

  • Subscription pricing

    The annual cost is perceived as too high for the features provided.

    ~80 mentions

  • Preset inflexibility

    Users struggle to log non-standard fasts without being forced to save them as templates.

    ~45 mentions

Editorial guide score

Our independent score for Zero: Fasting & Food Tracker—based on features, pricing, and feedback themes.

Score breakdown

  • User feedback8.0/10
  • Pricing value7.2/10
  • Accuracy7.8/10
  • Feature depth8.5/10
  • Ease of use8.1/10
  • Beginner friendliness7.9/10
  • Coachability6.9/10

Pricing & trials

Store listing

Free · 2 in-app purchase option(s)

Trial

Free trial available for Zero Plus subscription.

Pricing tiers

Monthly
$9.99
Yearly
$69.99

Features we track

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Screenshots

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