Calorie Tracker Guide · 2026-11-14
Verdict
Prove It - Supplement Scanner prices as Free · 10 in-app purchase option(s). Senza: Keto & Fasting prices as Free. Senza: Keto & Fasting is marked for Apple Health, Macro tracking, Workout tracking. Prove It - Supplement Scanner is not. Editorial scores are 3.8 for Prove It - Supplement Scanner and 5.2 for Senza: Keto & Fasting, on a 10-point scale. That score is not the store rating.
Price
Prove It - Supplement Scanner: Free · 10 in-app purchase option(s).
Senza: Keto & Fasting: Free.
Yearly figure: Prove It - Supplement Scanner $99.99, Senza: Keto & Fasting unknown.
Features that differ
Apple Health: only Senza: Keto & Fasting is marked available. Mentioned in the App Store description.
Macro tracking: only Senza: Keto & Fasting is marked available. Mentioned in the App Store description.
Workout tracking: only Senza: Keto & Fasting is marked available. Mentioned in the App Store description.
Fasting: only Senza: Keto & Fasting is marked available. Mentioned in the App Store description.
Fit
Prove It - Supplement Scanner has no best-fit line.
Senza: Keto & Fasting has no best-fit line.
Where the scores differ
Pricing value: Prove It - Supplement Scanner 3.3, Senza: Keto & Fasting 10. Prove It - Supplement Scanner: 10 - annualised price $99.99/15 (+0.5 if free trial). Senza: Keto & Fasting: 10 - annualised price $0.00/15 (+0.5 if free trial).
Feature depth: Prove It - Supplement Scanner 0.4, Senza: Keto & Fasting 2.3. Prove It - Supplement Scanner: Quality-weighted share of tracked features available (excellent 1.0 .. poor 0.2), x1.6, capped at 10. Senza: Keto & Fasting: Quality-weighted share of tracked features available (excellent 1.0 .. poor 0.2), x1.6, capped at 10.
User feedback: Prove It - Supplement Scanner 6.1, Senza: Keto & Fasting 9. Prove It - Supplement Scanner: Bayesian rating 4.42 (iOS 4.42x15757 + Play 0.00x0, prior 4.3x200) + review stars sentiment -1.00 over 20 reviews. Senza: Keto & Fasting: Bayesian rating 4.72 (iOS 4.78x10816 + Play 4.44x1907, prior 4.3x200) + review stars sentiment +0.45 over 20 reviews.
Maintenance: Prove It - Supplement Scanner 3.1, Senza: Keto & Fasting 1.7. Prove It - Supplement Scanner: Last release 311 days ago (half-life 90d, 70%) + median 7 days between releases (30%). Senza: Keto & Fasting: Last release 332 days ago (half-life 90d, 70%) + median 47 days between releases (30%).
Traction: Prove It - Supplement Scanner 7, Senza: Keto & Fasting 6.8. Prove It - Supplement Scanner: log10 of 15757 total ratings (iOS+Play), 1M ratings = 10. Senza: Keto & Fasting: log10 of 12723 total ratings (iOS+Play), 1M ratings = 10.
Who should pick which
Choose Senza: Keto & Fasting if you need Apple Health and Macro tracking.