Calorie Tracker Guide · 2026-11-14
Verdict
BMI Calculator + Weight Loss prices as Free · 10 in-app purchase option(s). Senza: Keto & Fasting prices as Free. BMI Calculator + Weight Loss is marked for Water tracking, Accuracy focus. Senza: Keto & Fasting is not. Senza: Keto & Fasting is marked for Barcode scanner, Macro tracking, Workout tracking. BMI Calculator + Weight Loss is not. Editorial scores are 5 for BMI Calculator + Weight Loss and 5.2 for Senza: Keto & Fasting, on a 10-point scale. That score is not the store rating.
Price
BMI Calculator + Weight Loss: Free · 10 in-app purchase option(s).
Senza: Keto & Fasting: Free.
Monthly figure: BMI Calculator + Weight Loss $3.99, Senza: Keto & Fasting unknown.
Yearly figure: BMI Calculator + Weight Loss $34.99, Senza: Keto & Fasting unknown.
Features that differ
Barcode scanner: only Senza: Keto & Fasting is marked available.
Macro tracking: only Senza: Keto & Fasting is marked available. Mentioned in the App Store description.
Water tracking: only BMI Calculator + Weight Loss is marked available. Tracks body water levels as part of body composition.
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.
Accuracy focus: only BMI Calculator + Weight Loss is marked available. Generally accurate, though some users report UI unit display errors.
Fit
BMI Calculator + Weight Loss is filed for Weight Trackers — Ideal for users who want a simple, visual way to log weight and body measurements.; Apple Health Users — Perfect for those who want their weight data to sync automatically with the Apple ecosystem.; Families/Couples — Supports multiple users on one device, making it great for shared household tracking..
Senza: Keto & Fasting has no best-fit line.
Where the scores differ
Accuracy: BMI Calculator + Weight Loss 8, Senza: Keto & Fasting 5. BMI Calculator + Weight Loss: Quality rating of the accuracy feature (5 if unknown). Senza: Keto & Fasting: Quality rating of the accuracy feature (5 if unknown).
Pricing value: BMI Calculator + Weight Loss 7.7, Senza: Keto & Fasting 10. BMI Calculator + Weight Loss: 10 - annualised price $34.99/15 (+0.5 if free trial). Senza: Keto & Fasting: 10 - annualised price $0.00/15 (+0.5 if free trial).
Feature depth: BMI Calculator + Weight Loss 3.1, Senza: Keto & Fasting 2.3. BMI Calculator + Weight Loss: 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: BMI Calculator + Weight Loss 6.9, Senza: Keto & Fasting 9. BMI Calculator + Weight Loss: Bayesian rating 4.50 (iOS 4.53x1578 + Play 0.00x0, prior 4.3x200) + review stars sentiment -0.50 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: BMI Calculator + Weight Loss 3.4, Senza: Keto & Fasting 1.7. BMI Calculator + Weight Loss: Last release 185 days ago (half-life 90d, 70%) + median 23 days between releases (30%). Senza: Keto & Fasting: Last release 332 days ago (half-life 90d, 70%) + median 47 days between releases (30%).
Traction: BMI Calculator + Weight Loss 5.3, Senza: Keto & Fasting 6.8. BMI Calculator + Weight Loss: log10 of 1578 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 BMI Calculator + Weight Loss if you need Water tracking and Accuracy focus. Choose Senza: Keto & Fasting if you need Barcode scanner and Macro tracking.