Calorie Tracker Guide · 2026-11-14
Verdict
Calorie Deficit Calculator prices as Free · 10 in-app purchase option(s). Senza: Keto & Fasting prices as Free. Calorie Deficit Calculator is marked for Photo logging, Micronutrients, Water tracking. Senza: Keto & Fasting is not. Editorial scores are 6.4 for Calorie Deficit Calculator and 5.2 for Senza: Keto & Fasting, on a 10-point scale. That score is not the store rating.
Price
Calorie Deficit Calculator: Free · 10 in-app purchase option(s).
Senza: Keto & Fasting: Free.
Yearly figure: Calorie Deficit Calculator $49.99, Senza: Keto & Fasting unknown.
Features that differ
Photo logging: only Calorie Deficit Calculator is marked available. Mentioned in the App Store description.
Micronutrients: only Calorie Deficit Calculator is marked available. Mentioned in the App Store description.
Water tracking: only Calorie Deficit Calculator is marked available. Mentioned in the App Store description.
Coach connection: only Calorie Deficit Calculator is marked available. Mentioned in the App Store description.
Fit
Calorie Deficit Calculator has no best-fit line.
Senza: Keto & Fasting has no best-fit line.
Where the scores differ
Pricing value: Calorie Deficit Calculator 6.7, Senza: Keto & Fasting 10. Calorie Deficit Calculator: 10 - annualised price $49.99/15 (+0.5 if free trial). Senza: Keto & Fasting: 10 - annualised price $0.00/15 (+0.5 if free trial).
Ease of use: Calorie Deficit Calculator 7.8, Senza: Keto & Fasting 5. Calorie Deficit Calculator: 5 + 5 x best quality of fast-logging features (AI image/text/audio, barcode). Senza: Keto & Fasting: 5 + 5 x best quality of fast-logging features (AI image/text/audio, barcode).
Feature depth: Calorie Deficit Calculator 4.6, Senza: Keto & Fasting 2.3. Calorie Deficit Calculator: 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.
Beginner friendliness: Calorie Deficit Calculator 8.6, Senza: Keto & Fasting 7. Calorie Deficit Calculator: 60% easeOfUse + 40% beginner skill-level fit. Senza: Keto & Fasting: 60% easeOfUse + 40% beginner skill-level fit.
User feedback: Calorie Deficit Calculator 7.9, Senza: Keto & Fasting 9. Calorie Deficit Calculator: Bayesian rating 4.61 (iOS 4.69x3976 + Play 3.53x236, prior 4.3x200) + review stars sentiment -0.15 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: Calorie Deficit Calculator 7.8, Senza: Keto & Fasting 1.7. Calorie Deficit Calculator: Last release 26 days ago (half-life 90d, 70%) + median 14 days between releases (30%). Senza: Keto & Fasting: Last release 332 days ago (half-life 90d, 70%) + median 47 days between releases (30%).
Traction: Calorie Deficit Calculator 6, Senza: Keto & Fasting 6.8. Calorie Deficit Calculator: log10 of 4212 total ratings (iOS+Play), 1M ratings = 10. Senza: Keto & Fasting: log10 of 12723 total ratings (iOS+Play), 1M ratings = 10.
Coachability: Calorie Deficit Calculator 5.5, Senza: Keto & Fasting 0. Calorie Deficit Calculator: Best quality of aiCoach / coachConnection features. Senza: Keto & Fasting: Best quality of aiCoach / coachConnection features.
Who should pick which
Choose Calorie Deficit Calculator if you need Photo logging and Micronutrients.