Calorie Tracker Guide · 2026-11-14
Verdict
Healthi: Weight Loss, Diet App prices as Free · 10 in-app purchase option(s). Senza: Keto & Fasting prices as Free. Healthi: Weight Loss, Diet App is marked for Coach connection. Senza: Keto & Fasting is not. Senza: Keto & Fasting is marked for Apple Health, Workout tracking, Fasting. Healthi: Weight Loss, Diet App is not. Editorial scores are 6 for Healthi: Weight Loss, Diet App and 5.2 for Senza: Keto & Fasting, on a 10-point scale. That score is not the store rating.
Price
Healthi: Weight Loss, Diet App: Free · 10 in-app purchase option(s).
Senza: Keto & Fasting: Free.
Monthly figure: Healthi: Weight Loss, Diet App $35.99, Senza: Keto & Fasting unknown.
Yearly figure: Healthi: Weight Loss, Diet App $44.99, Senza: Keto & Fasting unknown.
Features that differ
Apple Health: 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 Healthi: Weight Loss, Diet App is marked available. Mentioned in the App Store description.
Fit
Healthi: Weight Loss, Diet App has no best-fit line.
Senza: Keto & Fasting has no best-fit line.
Where the scores differ
Pricing value: Healthi: Weight Loss, Diet App 7, Senza: Keto & Fasting 10. Healthi: Weight Loss, Diet App: 10 - annualised price $44.99/15 (+0.5 if free trial). Senza: Keto & Fasting: 10 - annualised price $0.00/15 (+0.5 if free trial).
Feature depth: Healthi: Weight Loss, Diet App 1.3, Senza: Keto & Fasting 2.3. Healthi: Weight Loss, Diet App: 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: Healthi: Weight Loss, Diet App 8.2, Senza: Keto & Fasting 9. Healthi: Weight Loss, Diet App: Bayesian rating 4.66 (iOS 4.76x89975 + Play 3.65x9308, prior 4.3x200) + review stars sentiment -0.20 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: Healthi: Weight Loss, Diet App 8.3, Senza: Keto & Fasting 1.7. Healthi: Weight Loss, Diet App: Last release 4 days ago (half-life 90d, 70%) + median 29 days between releases (30%). Senza: Keto & Fasting: Last release 332 days ago (half-life 90d, 70%) + median 47 days between releases (30%).
Traction: Healthi: Weight Loss, Diet App 8.3, Senza: Keto & Fasting 6.8. Healthi: Weight Loss, Diet App: log10 of 99283 total ratings (iOS+Play), 1M ratings = 10. Senza: Keto & Fasting: log10 of 12723 total ratings (iOS+Play), 1M ratings = 10.
Coachability: Healthi: Weight Loss, Diet App 5.5, Senza: Keto & Fasting 0. Healthi: Weight Loss, Diet App: Best quality of aiCoach / coachConnection features. Senza: Keto & Fasting: Best quality of aiCoach / coachConnection features.
Who should pick which
Choose Healthi: Weight Loss, Diet App if you need Coach connection. Choose Senza: Keto & Fasting if you need Apple Health and Workout tracking.