Calorie Tracker Guide · 2026-11-14
Verdict
Fay Nutrition Dietitians is marked for Coach connection. Senza: Keto & Fasting is not. Senza: Keto & Fasting is marked for Barcode scanner, Apple Health, Macro tracking. Fay Nutrition Dietitians is not. Editorial scores are 6.5 for Fay Nutrition Dietitians and 5.2 for Senza: Keto & Fasting, on a 10-point scale. That score is not the store rating.
Price
Fay Nutrition Dietitians: 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.
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.
Coach connection: only Fay Nutrition Dietitians is marked available. Mentioned in the App Store description.
Fit
Fay Nutrition Dietitians has no best-fit line.
Senza: Keto & Fasting has no best-fit line.
Where the scores differ
Feature depth: Fay Nutrition Dietitians 0.8, Senza: Keto & Fasting 2.3. Fay Nutrition Dietitians: 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: Fay Nutrition Dietitians 10, Senza: Keto & Fasting 9. Fay Nutrition Dietitians: Bayesian rating 4.86 (iOS 4.91x7164 + Play 4.74x1984, prior 4.3x200) + review stars sentiment +0.85 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: Fay Nutrition Dietitians 9.2, Senza: Keto & Fasting 1.7. Fay Nutrition Dietitians: Last release 3 days ago (half-life 90d, 70%) + median 8 days between releases (30%). Senza: Keto & Fasting: Last release 332 days ago (half-life 90d, 70%) + median 47 days between releases (30%).
Traction: Fay Nutrition Dietitians 6.6, Senza: Keto & Fasting 6.8. Fay Nutrition Dietitians: log10 of 9148 total ratings (iOS+Play), 1M ratings = 10. Senza: Keto & Fasting: log10 of 12723 total ratings (iOS+Play), 1M ratings = 10.
Coachability: Fay Nutrition Dietitians 5.5, Senza: Keto & Fasting 0. Fay Nutrition Dietitians: Best quality of aiCoach / coachConnection features. Senza: Keto & Fasting: Best quality of aiCoach / coachConnection features.
Who should pick which
Choose Fay Nutrition Dietitians if you need Coach connection. Choose Senza: Keto & Fasting if you need Barcode scanner and Apple Health.