Calorie Tracker Guide · 2026-11-14
Verdict
January: AI Health Tracker prices as Free · 4 in-app purchase option(s). Senza: Keto & Fasting prices as Free. January: AI Health Tracker is marked for Photo logging, Audio logging, Coach connection. Senza: Keto & Fasting is not. Senza: Keto & Fasting is marked for Fasting. January: AI Health Tracker is not. Editorial scores are 6 for January: AI Health Tracker and 5.2 for Senza: Keto & Fasting, on a 10-point scale. That score is not the store rating.
Price
January: AI Health Tracker: Free · 4 in-app purchase option(s).
Senza: Keto & Fasting: Free.
Monthly figure: January: AI Health Tracker $9.99, Senza: Keto & Fasting unknown.
Yearly figure: January: AI Health Tracker $59.99, Senza: Keto & Fasting unknown.
Features that differ
Photo logging: only January: AI Health Tracker is marked available. Mentioned in the App Store description.
Audio logging: only January: AI Health Tracker 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 January: AI Health Tracker is marked available. Mentioned in the App Store description.
Fit
January: AI Health Tracker has no best-fit line.
Senza: Keto & Fasting has no best-fit line.
Where the scores differ
Pricing value: January: AI Health Tracker 6.5, Senza: Keto & Fasting 10. January: AI Health Tracker: 10 - annualised price $59.99/15 (+0.5 if free trial). Senza: Keto & Fasting: 10 - annualised price $0.00/15 (+0.5 if free trial).
Ease of use: January: AI Health Tracker 7.8, Senza: Keto & Fasting 5. January: AI Health Tracker: 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: January: AI Health Tracker 3.8, Senza: Keto & Fasting 2.3. January: AI Health Tracker: 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: January: AI Health Tracker 8.6, Senza: Keto & Fasting 7. January: AI Health Tracker: 60% easeOfUse + 40% beginner skill-level fit. Senza: Keto & Fasting: 60% easeOfUse + 40% beginner skill-level fit.
User feedback: January: AI Health Tracker 6.8, Senza: Keto & Fasting 9. January: AI Health Tracker: Bayesian rating 4.47 (iOS 4.50x1192 + Play 0.00x0, prior 4.3x200) + review stars sentiment -0.35 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: January: AI Health Tracker 8.8, Senza: Keto & Fasting 1.7. January: AI Health Tracker: Last release 8 days ago (half-life 90d, 70%) + median 10 days between releases (30%). Senza: Keto & Fasting: Last release 332 days ago (half-life 90d, 70%) + median 47 days between releases (30%).
Traction: January: AI Health Tracker 5.1, Senza: Keto & Fasting 6.8. January: AI Health Tracker: log10 of 1192 total ratings (iOS+Play), 1M ratings = 10. Senza: Keto & Fasting: log10 of 12723 total ratings (iOS+Play), 1M ratings = 10.
Coachability: January: AI Health Tracker 5.5, Senza: Keto & Fasting 0. January: AI Health Tracker: Best quality of aiCoach / coachConnection features. Senza: Keto & Fasting: Best quality of aiCoach / coachConnection features.
Who should pick which
Choose January: AI Health Tracker if you need Photo logging and Audio logging. Choose Senza: Keto & Fasting if you need Fasting.