Calorie Tracker Guide · 2026-11-14
Verdict
Joule: AI Calorie Counter prices as Free · 10 in-app purchase option(s). Senza: Keto & Fasting prices as Free. Joule: AI Calorie Counter is marked for Photo logging, Coach connection. Senza: Keto & Fasting is not. Senza: Keto & Fasting is marked for Apple Health, Workout tracking, Fasting. Joule: AI Calorie Counter is not. Editorial scores are 6.4 for Joule: AI Calorie Counter and 5.2 for Senza: Keto & Fasting, on a 10-point scale. That score is not the store rating.
Price
Joule: AI Calorie Counter: Free · 10 in-app purchase option(s).
Senza: Keto & Fasting: Free.
Yearly figure: Joule: AI Calorie Counter $39.99, Senza: Keto & Fasting unknown.
Features that differ
Photo logging: only Joule: AI Calorie Counter is marked available. Mentioned in the App Store description.
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 Joule: AI Calorie Counter is marked available. Mentioned in the App Store description.
Fit
Joule: AI Calorie Counter has no best-fit line.
Senza: Keto & Fasting has no best-fit line.
Where the scores differ
Pricing value: Joule: AI Calorie Counter 7.3, Senza: Keto & Fasting 10. Joule: AI Calorie Counter: 10 - annualised price $39.99/15 (+0.5 if free trial). Senza: Keto & Fasting: 10 - annualised price $0.00/15 (+0.5 if free trial).
Ease of use: Joule: AI Calorie Counter 7.8, Senza: Keto & Fasting 5. Joule: AI Calorie Counter: 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).
Beginner friendliness: Joule: AI Calorie Counter 8.6, Senza: Keto & Fasting 7. Joule: AI Calorie Counter: 60% easeOfUse + 40% beginner skill-level fit. Senza: Keto & Fasting: 60% easeOfUse + 40% beginner skill-level fit.
User feedback: Joule: AI Calorie Counter 8.5, Senza: Keto & Fasting 9. Joule: AI Calorie Counter: Bayesian rating 4.71 (iOS 4.59x3154 + Play 4.73x18701, prior 4.3x200) + review stars sentiment -0.30 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: Joule: AI Calorie Counter 8.9, Senza: Keto & Fasting 1.7. Joule: AI Calorie Counter: Last release 7 days ago (half-life 90d, 70%) + median 9 days between releases (30%). Senza: Keto & Fasting: Last release 332 days ago (half-life 90d, 70%) + median 47 days between releases (30%).
Traction: Joule: AI Calorie Counter 7.2, Senza: Keto & Fasting 6.8. Joule: AI Calorie Counter: log10 of 21855 total ratings (iOS+Play), 1M ratings = 10. Senza: Keto & Fasting: log10 of 12723 total ratings (iOS+Play), 1M ratings = 10.
Coachability: Joule: AI Calorie Counter 5.5, Senza: Keto & Fasting 0. Joule: AI Calorie Counter: Best quality of aiCoach / coachConnection features. Senza: Keto & Fasting: Best quality of aiCoach / coachConnection features.
Who should pick which
Choose Joule: AI Calorie Counter if you need Photo logging and Coach connection. Choose Senza: Keto & Fasting if you need Apple Health and Workout tracking.