Calorie Tracker Guide · 2026-11-14
Verdict
Health Optimizer by CVS Health is marked for Photo logging, Coach connection. Senza: Keto & Fasting is not. Senza: Keto & Fasting is marked for Barcode scanner, Macro tracking, Fasting. Health Optimizer by CVS Health is not. Editorial scores are 6 for Health Optimizer by CVS Health and 5.2 for Senza: Keto & Fasting, on a 10-point scale. That score is not the store rating.
Price
Health Optimizer by CVS Health: Free.
Senza: Keto & Fasting: Free.
Features that differ
Photo logging: only Health Optimizer by CVS Health is marked available. Mentioned in the App Store description.
Barcode scanner: only Senza: Keto & Fasting is marked available.
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 Health Optimizer by CVS Health is marked available. Mentioned in the App Store description.
Fit
Health Optimizer by CVS Health has no best-fit line.
Senza: Keto & Fasting has no best-fit line.
Where the scores differ
Ease of use: Health Optimizer by CVS Health 7.8, Senza: Keto & Fasting 5. Health Optimizer by CVS Health: 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: Health Optimizer by CVS Health 3.1, Senza: Keto & Fasting 2.3. Health Optimizer by CVS 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.
Beginner friendliness: Health Optimizer by CVS Health 8.6, Senza: Keto & Fasting 7. Health Optimizer by CVS Health: 60% easeOfUse + 40% beginner skill-level fit. Senza: Keto & Fasting: 60% easeOfUse + 40% beginner skill-level fit.
User feedback: Health Optimizer by CVS Health 6.5, Senza: Keto & Fasting 9. Health Optimizer by CVS Health: Bayesian rating 4.42 (iOS 4.42x6827 + Play 4.43x1926, prior 4.3x200) + review stars sentiment -0.25 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: Health Optimizer by CVS Health 6.8, Senza: Keto & Fasting 1.7. Health Optimizer by CVS Health: Last release 31 days ago (half-life 90d, 70%) + median 41 days between releases (30%). Senza: Keto & Fasting: Last release 332 days ago (half-life 90d, 70%) + median 47 days between releases (30%).
Traction: Health Optimizer by CVS Health 6.6, Senza: Keto & Fasting 6.8. Health Optimizer by CVS Health: log10 of 8753 total ratings (iOS+Play), 1M ratings = 10. Senza: Keto & Fasting: log10 of 12723 total ratings (iOS+Play), 1M ratings = 10.
Coachability: Health Optimizer by CVS Health 5.5, Senza: Keto & Fasting 0. Health Optimizer by CVS Health: Best quality of aiCoach / coachConnection features. Senza: Keto & Fasting: Best quality of aiCoach / coachConnection features.
Who should pick which
Choose Health Optimizer by CVS Health if you need Photo logging and Coach connection. Choose Senza: Keto & Fasting if you need Barcode scanner and Macro tracking.