Calorie Tracker Guide · 2026-11-14
Verdict
Calibrate - Metabolic Health is marked for Coach connection. Senza: Keto & Fasting is not. Senza: Keto & Fasting is marked for Barcode scanner, Apple Health, Macro tracking. Calibrate - Metabolic Health is not. Editorial scores are 6.2 for Calibrate - Metabolic Health and 5.2 for Senza: Keto & Fasting, on a 10-point scale. That score is not the store rating.
Price
Calibrate - Metabolic Health: Free.
Senza: Keto & Fasting: Free.
Features that differ
Barcode scanner: only Senza: Keto & Fasting is marked available.
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.
Fasting: only Senza: Keto & Fasting is marked available. Mentioned in the App Store description.
Coach connection: only Calibrate - Metabolic Health is marked available. Mentioned in the App Store description.
Fit
Calibrate - Metabolic Health has no best-fit line.
Senza: Keto & Fasting has no best-fit line.
Where the scores differ
Feature depth: Calibrate - Metabolic Health 1.9, Senza: Keto & Fasting 2.3. Calibrate - Metabolic Health: 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: Calibrate - Metabolic Health 8.8, Senza: Keto & Fasting 9. Calibrate - Metabolic Health: Bayesian rating 4.78 (iOS 4.78x5433 + Play 4.82x1604, prior 4.3x200) + review stars sentiment -0.55 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: Calibrate - Metabolic Health 7.9, Senza: Keto & Fasting 1.7. Calibrate - Metabolic Health: Last release 19 days ago (half-life 90d, 70%) + median 19 days between releases (30%). Senza: Keto & Fasting: Last release 332 days ago (half-life 90d, 70%) + median 47 days between releases (30%).
Traction: Calibrate - Metabolic Health 6.4, Senza: Keto & Fasting 6.8. Calibrate - Metabolic Health: log10 of 7037 total ratings (iOS+Play), 1M ratings = 10. Senza: Keto & Fasting: log10 of 12723 total ratings (iOS+Play), 1M ratings = 10.
Coachability: Calibrate - Metabolic Health 5.5, Senza: Keto & Fasting 0. Calibrate - Metabolic Health: Best quality of aiCoach / coachConnection features. Senza: Keto & Fasting: Best quality of aiCoach / coachConnection features.
Who should pick which
Choose Calibrate - Metabolic Health if you need Coach connection. Choose Senza: Keto & Fasting if you need Barcode scanner and Apple Health.