Verdict

Zero: Fasting & Food Tracker scores 7.3 out of 10 in this guide. Method healthier-v1: weighted blend of 9 data-derived sub-scores; see scoring.md. The record files it for Intermittent Fasting Beginners — Provides clear structure and educational content to start a fasting routine.. It is a weak fit for Strict Calorie Counters — The app intentionally avoids traditional calorie-counting pressure..

Who it is 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.

Price

Monthly: $9.99.

Yearly: $69.99.

Trial: Free trial available for Zero Plus subscription..

What the feature record says

Photo logging is marked available. Quality: good. Coverage: moderate. Usefulness: high. Uses photo recognition to estimate macros and protein content. Evidence noted: description screenshots

Apple Health is marked available. Quality: excellent. Coverage: strong. Usefulness: high. Syncs weight and fasting data. Evidence noted: web

Macro tracking is marked available. Quality: good. Coverage: moderate. Usefulness: high. Focuses heavily on protein tracking via photo analysis. Evidence noted: description screenshots

Water tracking is marked available. Quality: excellent. Coverage: strong. Usefulness: high. Dedicated water tracking with visual progress. Evidence noted: description screenshots

Fasting is marked available. Quality: excellent. Coverage: strong. Usefulness: high. Primary functionality of the app. Evidence noted: description screenshots

Accuracy focus is marked available. Quality: good. Coverage: moderate. Usefulness: medium. Relies on user input and photo analysis. Evidence noted: description

Review themes

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: Fasting timer (150 mentions). The core timer is intuitive and highly effective for tracking various fasting protocols.

Liked: Weight loss efficacy (95 mentions). Users report substantial weight loss and improved body composition.

Disliked: Subscription pricing (80 mentions). The annual cost is perceived as too high for the features provided.

Disliked: Preset inflexibility (45 mentions). Users struggle to log non-standard fasts without being forced to save them as templates.

Scores

Overall 7.3/10. Confidence on the record is 1.

Accuracy: 8/10. Quality rating of the accuracy feature (5 if unknown).

Pricing value: 5.8/10. 10 - annualised price $69.99/15 (+0.5 if free trial).

Ease of use: 9/10. 5 + 5 x best quality of fast-logging features (AI image/text/audio, barcode).

Feature depth: 7.7/10. Quality-weighted share of tracked features available (excellent 1.0 .. poor 0.2), x1.6, capped at 10.

Beginner friendliness: 9.4/10. 60% easeOfUse + 40% beginner skill-level fit.

User feedback: 8.1/10. Bayesian rating 4.69 (iOS 4.82x445336 + Play 3.74x61213, prior 4.3x200) + review stars sentiment -0.75 over 20 reviews.

Maintenance: 9/10. Last release 2 days ago (half-life 90d, 70%) + median 12 days between releases (30%).

Traction: 9.5/10. log10 of 506549 total ratings (iOS+Play), 1M ratings = 10.

Coachability: 0/10. Best quality of aiCoach / coachConnection features.

Who should skip it

Skip Zero: Fasting & Food Tracker if you need Strict Calorie Counters — The app intentionally avoids traditional calorie-counting pressure.; Budget-Conscious Users — The premium subscription is expensive compared to simpler alternatives..